diff --git a/Makefile b/Makefile
index 58ede04119..1f6c2eda8b 100644
--- a/Makefile
+++ b/Makefile
@@ -1,9 +1,8 @@
 ########################################################################################################################
 # Copyright (c) 2019 IoTeX Foundation
-# This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-# warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-# permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-# License 2.0 that can be found in the LICENSE file.
+# This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+# or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+# This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 ########################################################################################################################
 
 # Go parameters
diff --git a/action/actctx.go b/action/actctx.go
index a06effaeb9..4597fbf622 100644
--- a/action/actctx.go
+++ b/action/actctx.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package action
 
diff --git a/action/action.go b/action/action.go
index ff53d970d7..8899452f46 100644
--- a/action/action.go
+++ b/action/action.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package action
 
diff --git a/action/action_deserializer.go b/action/action_deserializer.go
index ed132a2b09..f737c4df87 100644
--- a/action/action_deserializer.go
+++ b/action/action_deserializer.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package action
 
diff --git a/action/action_deserializer_test.go b/action/action_deserializer_test.go
index ed6c49a399..e54ee337d1 100644
--- a/action/action_deserializer_test.go
+++ b/action/action_deserializer_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package action
 
diff --git a/action/action_test.go b/action/action_test.go
index 72925b9719..0ada22a0d0 100644
--- a/action/action_test.go
+++ b/action/action_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package action
 
diff --git a/action/builder.go b/action/builder.go
index 3b8e9901d5..f491135216 100644
--- a/action/builder.go
+++ b/action/builder.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package action
 
diff --git a/action/builder_test.go b/action/builder_test.go
index a29767a517..6b622009d9 100644
--- a/action/builder_test.go
+++ b/action/builder_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package action
 
diff --git a/action/candidate_register.go b/action/candidate_register.go
index e03370c838..50da933192 100644
--- a/action/candidate_register.go
+++ b/action/candidate_register.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2020 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package action
 
diff --git a/action/candidate_update.go b/action/candidate_update.go
index 957b71b691..5707544d4f 100644
--- a/action/candidate_update.go
+++ b/action/candidate_update.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2020 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package action
 
diff --git a/action/candidateregister_test.go b/action/candidateregister_test.go
index 0e9ab6c5f7..7c7956aa72 100644
--- a/action/candidateregister_test.go
+++ b/action/candidateregister_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2020 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package action
 
diff --git a/action/candidateupdate_test.go b/action/candidateupdate_test.go
index 47c2333332..b39b28c01f 100644
--- a/action/candidateupdate_test.go
+++ b/action/candidateupdate_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2020 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package action
 
diff --git a/action/claimreward.go b/action/claimreward.go
index 3c6f4244cb..f843495554 100644
--- a/action/claimreward.go
+++ b/action/claimreward.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package action
 
diff --git a/action/consignment_transfer.go b/action/consignment_transfer.go
index d8115112f6..794c66287e 100644
--- a/action/consignment_transfer.go
+++ b/action/consignment_transfer.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2020 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package action
 
diff --git a/action/consignment_transfer_test.go b/action/consignment_transfer_test.go
index 77d80730c4..78f4ad29d3 100644
--- a/action/consignment_transfer_test.go
+++ b/action/consignment_transfer_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2020 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package action
 
diff --git a/action/const.go b/action/const.go
index 52b6958190..843bf160b2 100644
--- a/action/const.go
+++ b/action/const.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package action
 
diff --git a/action/const_test.go b/action/const_test.go
index b289f164c2..cdad7ace59 100644
--- a/action/const_test.go
+++ b/action/const_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2021 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package action
 
diff --git a/action/depositreward.go b/action/depositreward.go
index 68d5ad0034..6abb14175b 100644
--- a/action/depositreward.go
+++ b/action/depositreward.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package action
 
diff --git a/action/execution.go b/action/execution.go
index ae99e9cb0a..200836a48e 100644
--- a/action/execution.go
+++ b/action/execution.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package action
 
diff --git a/action/execution_test.go b/action/execution_test.go
index 674fb9cb17..01fa866ba2 100644
--- a/action/execution_test.go
+++ b/action/execution_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package action
 
diff --git a/action/grantreward.go b/action/grantreward.go
index 67614e3420..8f98f15f2c 100644
--- a/action/grantreward.go
+++ b/action/grantreward.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package action
 
diff --git a/action/protocol/account/accountpb/account.pb.go b/action/protocol/account/accountpb/account.pb.go
index 762b79fa8c..1093fe52fa 100644
--- a/action/protocol/account/accountpb/account.pb.go
+++ b/action/protocol/account/accountpb/account.pb.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 // To compile the proto, run:
 //      protoc --go_out=plugins=grpc:. *.proto
diff --git a/action/protocol/account/accountpb/account.proto b/action/protocol/account/accountpb/account.proto
index aedfb4d458..21fee5dafc 100644
--- a/action/protocol/account/accountpb/account.proto
+++ b/action/protocol/account/accountpb/account.proto
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 // To compile the proto, run:
 //      protoc --go_out=plugins=grpc:. *.proto
diff --git a/action/protocol/account/protocol.go b/action/protocol/account/protocol.go
index 036f23afb7..46629de634 100644
--- a/action/protocol/account/protocol.go
+++ b/action/protocol/account/protocol.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package account
 
diff --git a/action/protocol/account/protocol_test.go b/action/protocol/account/protocol_test.go
index e0f654b4d7..ab215ac5ba 100644
--- a/action/protocol/account/protocol_test.go
+++ b/action/protocol/account/protocol_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package account
 
diff --git a/action/protocol/account/transfer.go b/action/protocol/account/transfer.go
index 8c267e8e79..1190b6808a 100644
--- a/action/protocol/account/transfer.go
+++ b/action/protocol/account/transfer.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package account
 
diff --git a/action/protocol/account/transfer_test.go b/action/protocol/account/transfer_test.go
index bda5f35090..cc82611b80 100644
--- a/action/protocol/account/transfer_test.go
+++ b/action/protocol/account/transfer_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package account
 
diff --git a/action/protocol/account/util/util.go b/action/protocol/account/util/util.go
index 4114290016..031df0e691 100644
--- a/action/protocol/account/util/util.go
+++ b/action/protocol/account/util/util.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2018 IoTeX
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package accountutil
 
diff --git a/action/protocol/context.go b/action/protocol/context.go
index 62f5cd3246..7246d3e44e 100644
--- a/action/protocol/context.go
+++ b/action/protocol/context.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package protocol
 
diff --git a/action/protocol/context_test.go b/action/protocol/context_test.go
index ffd0e2009a..f1684384a9 100644
--- a/action/protocol/context_test.go
+++ b/action/protocol/context_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package protocol
 
diff --git a/action/protocol/dock.go b/action/protocol/dock.go
index 48f9f628ab..5c846f57f6 100644
--- a/action/protocol/dock.go
+++ b/action/protocol/dock.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2020 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package protocol
 
diff --git a/action/protocol/dock_test.go b/action/protocol/dock_test.go
index f14d2e9b1d..48015b2eb4 100644
--- a/action/protocol/dock_test.go
+++ b/action/protocol/dock_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2020 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package protocol
 
diff --git a/action/protocol/execution/evm/access_list.go b/action/protocol/execution/evm/access_list.go
index ac543bc220..c6f34e1ec4 100644
--- a/action/protocol/execution/evm/access_list.go
+++ b/action/protocol/execution/evm/access_list.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2021 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package evm
 
diff --git a/action/protocol/execution/evm/access_list_test.go b/action/protocol/execution/evm/access_list_test.go
index e798d383a9..b90840bfdb 100644
--- a/action/protocol/execution/evm/access_list_test.go
+++ b/action/protocol/execution/evm/access_list_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2021 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package evm
 
diff --git a/action/protocol/execution/evm/contract.go b/action/protocol/execution/evm/contract.go
index eaa0fc3174..d976e27692 100644
--- a/action/protocol/execution/evm/contract.go
+++ b/action/protocol/execution/evm/contract.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package evm
 
diff --git a/action/protocol/execution/evm/contract_test.go b/action/protocol/execution/evm/contract_test.go
index ac7cab29e8..cb63f3d098 100644
--- a/action/protocol/execution/evm/contract_test.go
+++ b/action/protocol/execution/evm/contract_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package evm
 
diff --git a/action/protocol/execution/evm/evm.go b/action/protocol/execution/evm/evm.go
index adead10579..4baaf5a1d5 100644
--- a/action/protocol/execution/evm/evm.go
+++ b/action/protocol/execution/evm/evm.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package evm
 
diff --git a/action/protocol/execution/evm/evm_test.go b/action/protocol/execution/evm/evm_test.go
index 0b8115a0d6..2eddae9a9b 100644
--- a/action/protocol/execution/evm/evm_test.go
+++ b/action/protocol/execution/evm/evm_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package evm
 
diff --git a/action/protocol/execution/evm/evmstatedbadapter.go b/action/protocol/execution/evm/evmstatedbadapter.go
index cadfcb2d99..2620899874 100644
--- a/action/protocol/execution/evm/evmstatedbadapter.go
+++ b/action/protocol/execution/evm/evmstatedbadapter.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package evm
 
diff --git a/action/protocol/execution/evm/evmstatedbadapter_test.go b/action/protocol/execution/evm/evmstatedbadapter_test.go
index 70a4b4e1d6..fcaf5f5167 100644
--- a/action/protocol/execution/evm/evmstatedbadapter_test.go
+++ b/action/protocol/execution/evm/evmstatedbadapter_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package evm
 
diff --git a/action/protocol/execution/executionpb/execution.pb.go b/action/protocol/execution/executionpb/execution.pb.go
index 019191c0f7..abd02185d1 100644
--- a/action/protocol/execution/executionpb/execution.pb.go
+++ b/action/protocol/execution/executionpb/execution.pb.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2020 IoTeX
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 // To compile the proto, run:
 //      protoc --go_out=plugins=grpc:. *.proto
diff --git a/action/protocol/execution/executionpb/execution.proto b/action/protocol/execution/executionpb/execution.proto
index 7224d8c8bb..e3ba80e612 100644
--- a/action/protocol/execution/executionpb/execution.proto
+++ b/action/protocol/execution/executionpb/execution.proto
@@ -1,8 +1,7 @@
 // Copyright (c) 2020 IoTeX
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 // To compile the proto, run:
 //      protoc --go_out=plugins=grpc:. *.proto
diff --git a/action/protocol/execution/protocol.go b/action/protocol/execution/protocol.go
index cbd2b585b8..e468cf36bd 100644
--- a/action/protocol/execution/protocol.go
+++ b/action/protocol/execution/protocol.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package execution
 
diff --git a/action/protocol/execution/protocol_test.go b/action/protocol/execution/protocol_test.go
index 12ac72bed9..2905feffff 100644
--- a/action/protocol/execution/protocol_test.go
+++ b/action/protocol/execution/protocol_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package execution
 
diff --git a/action/protocol/generic_validator.go b/action/protocol/generic_validator.go
index 863e2e5ab9..8d67053468 100644
--- a/action/protocol/generic_validator.go
+++ b/action/protocol/generic_validator.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package protocol
 
diff --git a/action/protocol/generic_validator_test.go b/action/protocol/generic_validator_test.go
index 42dc594bd6..9a66b9cd5b 100644
--- a/action/protocol/generic_validator_test.go
+++ b/action/protocol/generic_validator_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package protocol
 
diff --git a/action/protocol/kvstorefortrie.go b/action/protocol/kvstorefortrie.go
index 573d7ce69c..cc38f5a19e 100644
--- a/action/protocol/kvstorefortrie.go
+++ b/action/protocol/kvstorefortrie.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package protocol
 
diff --git a/action/protocol/kvstorefortrie_test.go b/action/protocol/kvstorefortrie_test.go
index 0c609e23bf..266df18199 100644
--- a/action/protocol/kvstorefortrie_test.go
+++ b/action/protocol/kvstorefortrie_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package protocol
 
diff --git a/action/protocol/poll/blockmeta.go b/action/protocol/poll/blockmeta.go
index 5ccb3a2f93..1ddedbb911 100644
--- a/action/protocol/poll/blockmeta.go
+++ b/action/protocol/poll/blockmeta.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2020 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package poll
 
diff --git a/action/protocol/poll/blockmeta_test.go b/action/protocol/poll/blockmeta_test.go
index 555dff74eb..b92e904b4c 100644
--- a/action/protocol/poll/blockmeta_test.go
+++ b/action/protocol/poll/blockmeta_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package poll
 
diff --git a/action/protocol/poll/blockmetapb/blockmeta.pb.go b/action/protocol/poll/blockmetapb/blockmeta.pb.go
index 9b2da4e85d..e441e24e31 100644
--- a/action/protocol/poll/blockmetapb/blockmeta.pb.go
+++ b/action/protocol/poll/blockmetapb/blockmeta.pb.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2020 IoTeX
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 // To compile the proto, run:
 //      protoc --go_out=plugins=grpc:. *.proto
diff --git a/action/protocol/poll/blockmetapb/blockmeta.proto b/action/protocol/poll/blockmetapb/blockmeta.proto
index 25ce4029d1..c7edb2f826 100644
--- a/action/protocol/poll/blockmetapb/blockmeta.proto
+++ b/action/protocol/poll/blockmetapb/blockmeta.proto
@@ -1,8 +1,7 @@
 // Copyright (c) 2020 IoTeX
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 // To compile the proto, run:
 //      protoc --go_out=plugins=grpc:. *.proto
diff --git a/action/protocol/poll/candidateindexer.go b/action/protocol/poll/candidateindexer.go
index e9b644122e..b3682db251 100644
--- a/action/protocol/poll/candidateindexer.go
+++ b/action/protocol/poll/candidateindexer.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2020 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package poll
 
diff --git a/action/protocol/poll/candidateindexer_test.go b/action/protocol/poll/candidateindexer_test.go
index f0f50e2498..db47c9a766 100644
--- a/action/protocol/poll/candidateindexer_test.go
+++ b/action/protocol/poll/candidateindexer_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package poll
 
diff --git a/action/protocol/poll/governance_protocol.go b/action/protocol/poll/governance_protocol.go
index d06d13bff1..3223f5cfa4 100644
--- a/action/protocol/poll/governance_protocol.go
+++ b/action/protocol/poll/governance_protocol.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package poll
 
diff --git a/action/protocol/poll/governance_protocol_test.go b/action/protocol/poll/governance_protocol_test.go
index ba5c674c38..cb10abf247 100644
--- a/action/protocol/poll/governance_protocol_test.go
+++ b/action/protocol/poll/governance_protocol_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package poll
 
diff --git a/action/protocol/poll/lifelong_protocol.go b/action/protocol/poll/lifelong_protocol.go
index 0eb5f530c1..4224caacbc 100644
--- a/action/protocol/poll/lifelong_protocol.go
+++ b/action/protocol/poll/lifelong_protocol.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package poll
 
diff --git a/action/protocol/poll/lifelong_protocol_test.go b/action/protocol/poll/lifelong_protocol_test.go
index dbd9b8f168..2ab87115ba 100644
--- a/action/protocol/poll/lifelong_protocol_test.go
+++ b/action/protocol/poll/lifelong_protocol_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package poll
 
diff --git a/action/protocol/poll/nativeStaking.abi.go b/action/protocol/poll/nativeStaking.abi.go
index 196305641a..8543092337 100644
--- a/action/protocol/poll/nativeStaking.abi.go
+++ b/action/protocol/poll/nativeStaking.abi.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package poll
 
diff --git a/action/protocol/poll/nativestaking.go b/action/protocol/poll/nativestaking.go
index a22c5b96a9..5833b5f92d 100644
--- a/action/protocol/poll/nativestaking.go
+++ b/action/protocol/poll/nativestaking.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2020 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package poll
 
diff --git a/action/protocol/poll/nativestaking_test.go b/action/protocol/poll/nativestaking_test.go
index 347625621c..3ee0bbdfae 100644
--- a/action/protocol/poll/nativestaking_test.go
+++ b/action/protocol/poll/nativestaking_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2020 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package poll
 
diff --git a/action/protocol/poll/protocol.go b/action/protocol/poll/protocol.go
index 346daa7491..e80e26384f 100644
--- a/action/protocol/poll/protocol.go
+++ b/action/protocol/poll/protocol.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package poll
 
diff --git a/action/protocol/poll/protocol_test.go b/action/protocol/poll/protocol_test.go
index bbbc799f8b..557ddd5e5a 100644
--- a/action/protocol/poll/protocol_test.go
+++ b/action/protocol/poll/protocol_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package poll
 
diff --git a/action/protocol/poll/slasher.go b/action/protocol/poll/slasher.go
index 932f718974..45ffdc6c05 100644
--- a/action/protocol/poll/slasher.go
+++ b/action/protocol/poll/slasher.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2020 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package poll
 
diff --git a/action/protocol/poll/staking_command.go b/action/protocol/poll/staking_command.go
index 0c56dbd9f8..bcb002ee48 100644
--- a/action/protocol/poll/staking_command.go
+++ b/action/protocol/poll/staking_command.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package poll
 
diff --git a/action/protocol/poll/staking_committee.go b/action/protocol/poll/staking_committee.go
index 3f3797d163..44010ecc0f 100644
--- a/action/protocol/poll/staking_committee.go
+++ b/action/protocol/poll/staking_committee.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2020 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package poll
 
diff --git a/action/protocol/poll/staking_committee_test.go b/action/protocol/poll/staking_committee_test.go
index ea62447ea1..5dc94c6d15 100644
--- a/action/protocol/poll/staking_committee_test.go
+++ b/action/protocol/poll/staking_committee_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package poll
 
diff --git a/action/protocol/poll/util.go b/action/protocol/poll/util.go
index 1885409a2e..06db5b6f58 100644
--- a/action/protocol/poll/util.go
+++ b/action/protocol/poll/util.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package poll
 
diff --git a/action/protocol/protocol.go b/action/protocol/protocol.go
index 66e452729b..79a72d3722 100644
--- a/action/protocol/protocol.go
+++ b/action/protocol/protocol.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package protocol
 
diff --git a/action/protocol/registry.go b/action/protocol/registry.go
index c026a7e260..6f0301ad39 100644
--- a/action/protocol/registry.go
+++ b/action/protocol/registry.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package protocol
 
diff --git a/action/protocol/registry_test.go b/action/protocol/registry_test.go
index 87a452a1b5..6cc84a25e0 100644
--- a/action/protocol/registry_test.go
+++ b/action/protocol/registry_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package protocol
 
diff --git a/action/protocol/rewarding/admin.go b/action/protocol/rewarding/admin.go
index f93cfb8b54..08acbb1387 100644
--- a/action/protocol/rewarding/admin.go
+++ b/action/protocol/rewarding/admin.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package rewarding
 
diff --git a/action/protocol/rewarding/admin_test.go b/action/protocol/rewarding/admin_test.go
index 2fcc87218b..25bda0bdc7 100644
--- a/action/protocol/rewarding/admin_test.go
+++ b/action/protocol/rewarding/admin_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package rewarding
 
diff --git a/action/protocol/rewarding/fund.go b/action/protocol/rewarding/fund.go
index 4b42c03131..1f942c934a 100644
--- a/action/protocol/rewarding/fund.go
+++ b/action/protocol/rewarding/fund.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package rewarding
 
diff --git a/action/protocol/rewarding/fund_test.go b/action/protocol/rewarding/fund_test.go
index 3b932e106d..01db5f4976 100644
--- a/action/protocol/rewarding/fund_test.go
+++ b/action/protocol/rewarding/fund_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package rewarding
 
diff --git a/action/protocol/rewarding/protocol.go b/action/protocol/rewarding/protocol.go
index 531b3abea1..0bf6e68b9d 100644
--- a/action/protocol/rewarding/protocol.go
+++ b/action/protocol/rewarding/protocol.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package rewarding
 
diff --git a/action/protocol/rewarding/protocol_test.go b/action/protocol/rewarding/protocol_test.go
index 141348fd5a..a60f626d5f 100644
--- a/action/protocol/rewarding/protocol_test.go
+++ b/action/protocol/rewarding/protocol_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package rewarding
 
diff --git a/action/protocol/rewarding/reward.go b/action/protocol/rewarding/reward.go
index 61e785c211..f5d37e870a 100644
--- a/action/protocol/rewarding/reward.go
+++ b/action/protocol/rewarding/reward.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package rewarding
 
diff --git a/action/protocol/rewarding/reward_test.go b/action/protocol/rewarding/reward_test.go
index 71f554e7df..055d3c3014 100644
--- a/action/protocol/rewarding/reward_test.go
+++ b/action/protocol/rewarding/reward_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package rewarding
 
diff --git a/action/protocol/rewarding/rewardingpb/rewarding.pb.go b/action/protocol/rewarding/rewardingpb/rewarding.pb.go
index b92ac2bc37..6bc53488f9 100644
--- a/action/protocol/rewarding/rewardingpb/rewarding.pb.go
+++ b/action/protocol/rewarding/rewardingpb/rewarding.pb.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 // To compile the proto, run:
 //      protoc --go_out=plugins=grpc:. *.proto
diff --git a/action/protocol/rewarding/rewardingpb/rewarding.proto b/action/protocol/rewarding/rewardingpb/rewarding.proto
index 889f2d7065..505e228daf 100644
--- a/action/protocol/rewarding/rewardingpb/rewarding.proto
+++ b/action/protocol/rewarding/rewardingpb/rewarding.proto
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 // To compile the proto, run:
 //      protoc --go_out=plugins=grpc:. *.proto
diff --git a/action/protocol/rolldpos/epoch.go b/action/protocol/rolldpos/epoch.go
index 031fff3987..d87c4f51d6 100644
--- a/action/protocol/rolldpos/epoch.go
+++ b/action/protocol/rolldpos/epoch.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package rolldpos
 
diff --git a/action/protocol/serializablebytes.go b/action/protocol/serializablebytes.go
index 4f09666d51..9278e88cae 100644
--- a/action/protocol/serializablebytes.go
+++ b/action/protocol/serializablebytes.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package protocol
 
diff --git a/action/protocol/serializablebytes_test.go b/action/protocol/serializablebytes_test.go
index 113f2c7739..e43f7fba16 100644
--- a/action/protocol/serializablebytes_test.go
+++ b/action/protocol/serializablebytes_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package protocol
 
diff --git a/action/protocol/staking/bucket_index.go b/action/protocol/staking/bucket_index.go
index a69b1cf242..ff1b95457f 100644
--- a/action/protocol/staking/bucket_index.go
+++ b/action/protocol/staking/bucket_index.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package staking
 
diff --git a/action/protocol/staking/bucket_index_test.go b/action/protocol/staking/bucket_index_test.go
index 4aea1735b0..dc614423ad 100644
--- a/action/protocol/staking/bucket_index_test.go
+++ b/action/protocol/staking/bucket_index_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package staking
 
diff --git a/action/protocol/staking/bucket_pool.go b/action/protocol/staking/bucket_pool.go
index a7df9023fc..13b327625b 100644
--- a/action/protocol/staking/bucket_pool.go
+++ b/action/protocol/staking/bucket_pool.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package staking
 
diff --git a/action/protocol/staking/bucket_pool_test.go b/action/protocol/staking/bucket_pool_test.go
index 24aae24ab5..8c79549160 100644
--- a/action/protocol/staking/bucket_pool_test.go
+++ b/action/protocol/staking/bucket_pool_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package staking
 
diff --git a/action/protocol/staking/candidate.go b/action/protocol/staking/candidate.go
index e5d7e63c00..5110aca4f6 100644
--- a/action/protocol/staking/candidate.go
+++ b/action/protocol/staking/candidate.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2020 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package staking
 
diff --git a/action/protocol/staking/candidate_buckets_indexer.go b/action/protocol/staking/candidate_buckets_indexer.go
index 09d2f8293a..56729b68cf 100644
--- a/action/protocol/staking/candidate_buckets_indexer.go
+++ b/action/protocol/staking/candidate_buckets_indexer.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2020 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package staking
 
diff --git a/action/protocol/staking/candidate_center.go b/action/protocol/staking/candidate_center.go
index 22ca441ca9..d4324ee8b3 100644
--- a/action/protocol/staking/candidate_center.go
+++ b/action/protocol/staking/candidate_center.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2020 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package staking
 
diff --git a/action/protocol/staking/candidate_center_extra.go b/action/protocol/staking/candidate_center_extra.go
index 30e9554dd1..3c5d5420f4 100644
--- a/action/protocol/staking/candidate_center_extra.go
+++ b/action/protocol/staking/candidate_center_extra.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package staking
 
diff --git a/action/protocol/staking/candidate_statemanager.go b/action/protocol/staking/candidate_statemanager.go
index 54fc3fdf4e..e59742ea23 100644
--- a/action/protocol/staking/candidate_statemanager.go
+++ b/action/protocol/staking/candidate_statemanager.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package staking
 
diff --git a/action/protocol/staking/candidate_statereader.go b/action/protocol/staking/candidate_statereader.go
index d2d7053682..79f75a2af9 100644
--- a/action/protocol/staking/candidate_statereader.go
+++ b/action/protocol/staking/candidate_statereader.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package staking
 
diff --git a/action/protocol/staking/candidate_statereader_test.go b/action/protocol/staking/candidate_statereader_test.go
index ab5f5f7cfe..aadc73c664 100644
--- a/action/protocol/staking/candidate_statereader_test.go
+++ b/action/protocol/staking/candidate_statereader_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2020 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package staking
 
diff --git a/action/protocol/staking/candidate_test.go b/action/protocol/staking/candidate_test.go
index 0559cbcd77..7addf51875 100644
--- a/action/protocol/staking/candidate_test.go
+++ b/action/protocol/staking/candidate_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2020 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package staking
 
diff --git a/action/protocol/staking/handlers.go b/action/protocol/staking/handlers.go
index 37a79e59d1..f77325336b 100644
--- a/action/protocol/staking/handlers.go
+++ b/action/protocol/staking/handlers.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package staking
 
diff --git a/action/protocol/staking/handlers_test.go b/action/protocol/staking/handlers_test.go
index 3713bdc625..bdb8ad0e52 100644
--- a/action/protocol/staking/handlers_test.go
+++ b/action/protocol/staking/handlers_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package staking
 
diff --git a/action/protocol/staking/patchstore.go b/action/protocol/staking/patchstore.go
index c260a0f387..b807b28a43 100644
--- a/action/protocol/staking/patchstore.go
+++ b/action/protocol/staking/patchstore.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2020 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package staking
 
diff --git a/action/protocol/staking/patchstore_test.go b/action/protocol/staking/patchstore_test.go
index f1fc555c93..a24d29a70e 100644
--- a/action/protocol/staking/patchstore_test.go
+++ b/action/protocol/staking/patchstore_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package staking
 
diff --git a/action/protocol/staking/protocol.go b/action/protocol/staking/protocol.go
index 4af41f2776..97e487ced3 100644
--- a/action/protocol/staking/protocol.go
+++ b/action/protocol/staking/protocol.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2020 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package staking
 
diff --git a/action/protocol/staking/protocol_test.go b/action/protocol/staking/protocol_test.go
index 0ba31d9055..85c7e3d17d 100644
--- a/action/protocol/staking/protocol_test.go
+++ b/action/protocol/staking/protocol_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2020 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package staking
 
diff --git a/action/protocol/staking/read_state.go b/action/protocol/staking/read_state.go
index 0df2234849..2f9afe70a8 100644
--- a/action/protocol/staking/read_state.go
+++ b/action/protocol/staking/read_state.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2020 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package staking
 
diff --git a/action/protocol/staking/receipt_log.go b/action/protocol/staking/receipt_log.go
index 40c80ad3d8..3696353124 100644
--- a/action/protocol/staking/receipt_log.go
+++ b/action/protocol/staking/receipt_log.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2020 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package staking
 
diff --git a/action/protocol/staking/receipt_log_test.go b/action/protocol/staking/receipt_log_test.go
index 1f24a7a782..247bc04bd0 100644
--- a/action/protocol/staking/receipt_log_test.go
+++ b/action/protocol/staking/receipt_log_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2020 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package staking
 
diff --git a/action/protocol/staking/stakingpb/staking.pb.go b/action/protocol/staking/stakingpb/staking.pb.go
index 9367d428d0..1bc925a9fe 100644
--- a/action/protocol/staking/stakingpb/staking.pb.go
+++ b/action/protocol/staking/stakingpb/staking.pb.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2020 IoTeX
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 // To compile the proto, run:
 //      protoc --go_out=plugins=grpc:. *.proto
diff --git a/action/protocol/staking/stakingpb/staking.proto b/action/protocol/staking/stakingpb/staking.proto
index a10937a4c5..a874b17f1d 100644
--- a/action/protocol/staking/stakingpb/staking.proto
+++ b/action/protocol/staking/stakingpb/staking.proto
@@ -1,8 +1,7 @@
 // Copyright (c) 2020 IoTeX
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 // To compile the proto, run:
 //      protoc --go_out=plugins=grpc:. *.proto
diff --git a/action/protocol/staking/validations.go b/action/protocol/staking/validations.go
index de16121631..20b155442c 100644
--- a/action/protocol/staking/validations.go
+++ b/action/protocol/staking/validations.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2020 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package staking
 
diff --git a/action/protocol/staking/validations_test.go b/action/protocol/staking/validations_test.go
index 09ea63aeab..df0ce9468c 100644
--- a/action/protocol/staking/validations_test.go
+++ b/action/protocol/staking/validations_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2020 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package staking
 
diff --git a/action/protocol/staking/vote_bucket.go b/action/protocol/staking/vote_bucket.go
index 01b758dd3d..7985417b7b 100644
--- a/action/protocol/staking/vote_bucket.go
+++ b/action/protocol/staking/vote_bucket.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2020 IoTeX
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package staking
 
diff --git a/action/protocol/staking/vote_bucket_test.go b/action/protocol/staking/vote_bucket_test.go
index 6cf6eaacf7..6b012283e1 100644
--- a/action/protocol/staking/vote_bucket_test.go
+++ b/action/protocol/staking/vote_bucket_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2020 IoTeX
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package staking
 
diff --git a/action/protocol/vote/candidatesutil/candidatesutil.go b/action/protocol/vote/candidatesutil/candidatesutil.go
index f6ccdea6d8..0a9142fa9a 100644
--- a/action/protocol/vote/candidatesutil/candidatesutil.go
+++ b/action/protocol/vote/candidatesutil/candidatesutil.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package candidatesutil
 
diff --git a/action/protocol/vote/probationlist.go b/action/protocol/vote/probationlist.go
index f4b8bf0a50..97bb33d5ff 100644
--- a/action/protocol/vote/probationlist.go
+++ b/action/protocol/vote/probationlist.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2020 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package vote
 
diff --git a/action/protocol/vote/probationlist_test.go b/action/protocol/vote/probationlist_test.go
index d0c9f22ca8..decf985167 100644
--- a/action/protocol/vote/probationlist_test.go
+++ b/action/protocol/vote/probationlist_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package vote
 
diff --git a/action/protocol/vote/unproductivedelegate.go b/action/protocol/vote/unproductivedelegate.go
index c7f0f3201d..eeab9ebdfb 100644
--- a/action/protocol/vote/unproductivedelegate.go
+++ b/action/protocol/vote/unproductivedelegate.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2020 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package vote
 
diff --git a/action/protocol/vote/unproductivedelegate_test.go b/action/protocol/vote/unproductivedelegate_test.go
index a1033da181..c460bc5b89 100644
--- a/action/protocol/vote/unproductivedelegate_test.go
+++ b/action/protocol/vote/unproductivedelegate_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2020 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package vote
 
diff --git a/action/protocol/vote/unproductivedelegatepb/unproductivedelegate.pb.go b/action/protocol/vote/unproductivedelegatepb/unproductivedelegate.pb.go
index 99f890d694..934da0ed79 100644
--- a/action/protocol/vote/unproductivedelegatepb/unproductivedelegate.pb.go
+++ b/action/protocol/vote/unproductivedelegatepb/unproductivedelegate.pb.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2020 IoTeX
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 // To compile the proto, run:
 //      protoc --go_out=plugins=grpc:. *.proto
diff --git a/action/protocol/vote/unproductivedelegatepb/unproductivedelegate.proto b/action/protocol/vote/unproductivedelegatepb/unproductivedelegate.proto
index 7abaa73f9d..5c253895af 100644
--- a/action/protocol/vote/unproductivedelegatepb/unproductivedelegate.proto
+++ b/action/protocol/vote/unproductivedelegatepb/unproductivedelegate.proto
@@ -1,8 +1,7 @@
 // Copyright (c) 2020 IoTeX
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 // To compile the proto, run:
 //      protoc --go_out=plugins=grpc:. *.proto
diff --git a/action/putpollresult.go b/action/putpollresult.go
index 4d2bdcab60..452e1fe0be 100644
--- a/action/putpollresult.go
+++ b/action/putpollresult.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package action
 
diff --git a/action/putpollresult_test.go b/action/putpollresult_test.go
index e211bc7b78..6b363c0793 100644
--- a/action/putpollresult_test.go
+++ b/action/putpollresult_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package action
 
diff --git a/action/receipt.go b/action/receipt.go
index 350c351e85..2fad38e5e8 100644
--- a/action/receipt.go
+++ b/action/receipt.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2020 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package action
 
diff --git a/action/receipt_test.go b/action/receipt_test.go
index f5c6fae602..721e440c31 100644
--- a/action/receipt_test.go
+++ b/action/receipt_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package action
 
diff --git a/action/rewardmsg_test.go b/action/rewardmsg_test.go
index 7fd3bb17e6..30f151ae88 100644
--- a/action/rewardmsg_test.go
+++ b/action/rewardmsg_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package action
 
diff --git a/action/sealedenvelopevalidator.go b/action/sealedenvelopevalidator.go
index 2a5f415161..4719a4e859 100644
--- a/action/sealedenvelopevalidator.go
+++ b/action/sealedenvelopevalidator.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package action
 
diff --git a/action/signedaction.go b/action/signedaction.go
index c8ec44aaa5..639d9250a9 100644
--- a/action/signedaction.go
+++ b/action/signedaction.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package action
 
diff --git a/action/signedaction_test.go b/action/signedaction_test.go
index 049ce8fe1d..1cb1ef156c 100644
--- a/action/signedaction_test.go
+++ b/action/signedaction_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package action
 
diff --git a/action/stake_adddeposit.go b/action/stake_adddeposit.go
index e1123332bf..245d7b448b 100644
--- a/action/stake_adddeposit.go
+++ b/action/stake_adddeposit.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2020 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is didslaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is didslaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package action
 
diff --git a/action/stake_changecandidate.go b/action/stake_changecandidate.go
index be3a239e9c..c09c5dedba 100644
--- a/action/stake_changecandidate.go
+++ b/action/stake_changecandidate.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2020 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as ts title or non-infringement, merchantability or fitness for purpose and, ts the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as ts title or non-infringement, merchantability
+// or fitness for purpose and, ts the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package action
 
diff --git a/action/stake_changecandidate_test.go b/action/stake_changecandidate_test.go
index 8322befabe..8d0f57b3b8 100644
--- a/action/stake_changecandidate_test.go
+++ b/action/stake_changecandidate_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2020 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package action
 
diff --git a/action/stake_create.go b/action/stake_create.go
index 870da35495..bbd09285e8 100644
--- a/action/stake_create.go
+++ b/action/stake_create.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2020 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package action
 
diff --git a/action/stake_reclaim.go b/action/stake_reclaim.go
index b123427862..3d2e64e24c 100644
--- a/action/stake_reclaim.go
+++ b/action/stake_reclaim.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2020 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package action
 
diff --git a/action/stake_restake.go b/action/stake_restake.go
index 2bcbd089b7..0ab83b0ff4 100644
--- a/action/stake_restake.go
+++ b/action/stake_restake.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2020 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package action
 
diff --git a/action/stake_transferownership.go b/action/stake_transferownership.go
index 416f946418..0636b9fb1b 100644
--- a/action/stake_transferownership.go
+++ b/action/stake_transferownership.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2020 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package action
 
diff --git a/action/stakeadddeposit_test.go b/action/stakeadddeposit_test.go
index d906f47e80..27c0b282e6 100644
--- a/action/stakeadddeposit_test.go
+++ b/action/stakeadddeposit_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2020 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package action
 
diff --git a/action/stakecreate_test.go b/action/stakecreate_test.go
index 0ee078e2bd..e1202abf6b 100644
--- a/action/stakecreate_test.go
+++ b/action/stakecreate_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2020 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package action
 
diff --git a/action/stakereclaim_test.go b/action/stakereclaim_test.go
index 6b9451050c..157190ed1b 100644
--- a/action/stakereclaim_test.go
+++ b/action/stakereclaim_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2020 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package action
 
diff --git a/action/stakerestake_test.go b/action/stakerestake_test.go
index 011fd4d7ca..3ba92c45a7 100644
--- a/action/stakerestake_test.go
+++ b/action/stakerestake_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2020 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package action
 
diff --git a/action/transfer.go b/action/transfer.go
index cc74911ef0..338da37ff0 100644
--- a/action/transfer.go
+++ b/action/transfer.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package action
 
diff --git a/action/transfer_test.go b/action/transfer_test.go
index 270ba078fd..0ed465035b 100644
--- a/action/transfer_test.go
+++ b/action/transfer_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package action
 
diff --git a/actpool/actioniterator/actioniterator.go b/actpool/actioniterator/actioniterator.go
index d11b6ecf28..9d654eb71e 100644
--- a/actpool/actioniterator/actioniterator.go
+++ b/actpool/actioniterator/actioniterator.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package actioniterator
 
diff --git a/actpool/actioniterator/actioniterator_test.go b/actpool/actioniterator/actioniterator_test.go
index 71b63707c7..c52a20c784 100644
--- a/actpool/actioniterator/actioniterator_test.go
+++ b/actpool/actioniterator/actioniterator_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package actioniterator
 
diff --git a/actpool/actpool.go b/actpool/actpool.go
index e10a12bc0a..f9ab32da8d 100644
--- a/actpool/actpool.go
+++ b/actpool/actpool.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package actpool
 
diff --git a/actpool/actpool_test.go b/actpool/actpool_test.go
index 2a4bea4993..35b532ae04 100644
--- a/actpool/actpool_test.go
+++ b/actpool/actpool_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package actpool
 
diff --git a/actpool/actqueue.go b/actpool/actqueue.go
index c72af9cbb8..e870450843 100644
--- a/actpool/actqueue.go
+++ b/actpool/actqueue.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package actpool
 
diff --git a/actpool/actqueue_test.go b/actpool/actqueue_test.go
index cd7a5044c4..5074931edf 100644
--- a/actpool/actqueue_test.go
+++ b/actpool/actqueue_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 package actpool
 
 import (
diff --git a/actpool/options.go b/actpool/options.go
index 57f014fd4a..dafbd905ad 100644
--- a/actpool/options.go
+++ b/actpool/options.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package actpool
 
diff --git a/api/apitestserver.go b/api/apitestserver.go
index ed75f3c304..f2cafa554b 100644
--- a/api/apitestserver.go
+++ b/api/apitestserver.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package api
 
diff --git a/api/blocklistener_test.go b/api/blocklistener_test.go
index 393bf2d75c..7a34862e3a 100644
--- a/api/blocklistener_test.go
+++ b/api/blocklistener_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package api
 
diff --git a/api/coreservice.go b/api/coreservice.go
index a4493ac690..ef8ac81bf1 100644
--- a/api/coreservice.go
+++ b/api/coreservice.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package api
 
diff --git a/api/coreservice_test.go b/api/coreservice_test.go
index 2b1e85a6b6..657e5d30e9 100644
--- a/api/coreservice_test.go
+++ b/api/coreservice_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package api
 
diff --git a/api/grpcserver.go b/api/grpcserver.go
index f782fda1b4..c7d821a5f6 100644
--- a/api/grpcserver.go
+++ b/api/grpcserver.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package api
 
diff --git a/api/grpcserver_integrity_test.go b/api/grpcserver_integrity_test.go
index 4c69387b24..40635aaf7d 100644
--- a/api/grpcserver_integrity_test.go
+++ b/api/grpcserver_integrity_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package api
 
diff --git a/api/grpcserver_test.go b/api/grpcserver_test.go
index b3a3e25bf4..ef71fe63ea 100644
--- a/api/grpcserver_test.go
+++ b/api/grpcserver_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package api
 
diff --git a/api/listener_test.go b/api/listener_test.go
index 1a2f901fa9..c9d43cafe9 100644
--- a/api/listener_test.go
+++ b/api/listener_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package api
 
diff --git a/api/serverV2.go b/api/serverV2.go
index 772d381848..98ffe49c0e 100644
--- a/api/serverV2.go
+++ b/api/serverV2.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package api
 
diff --git a/api/serverV2_integrity_test.go b/api/serverV2_integrity_test.go
index 4b5a3f346a..0710eaea32 100644
--- a/api/serverV2_integrity_test.go
+++ b/api/serverV2_integrity_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package api
 
diff --git a/api/web3server_integrity_test.go b/api/web3server_integrity_test.go
index 92dad02737..ec976fde60 100644
--- a/api/web3server_integrity_test.go
+++ b/api/web3server_integrity_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package api
 
diff --git a/blockchain/block/block.go b/blockchain/block/block.go
index b3a00d1e98..e9d0e4c8cc 100644
--- a/blockchain/block/block.go
+++ b/blockchain/block/block.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package block
 
diff --git a/blockchain/block/block_deserializer.go b/blockchain/block/block_deserializer.go
index f1dd5c8ad1..6c69e6a545 100644
--- a/blockchain/block/block_deserializer.go
+++ b/blockchain/block/block_deserializer.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package block
 
diff --git a/blockchain/block/block_deserializer_test.go b/blockchain/block/block_deserializer_test.go
index 8ca4545dd6..b0f4f2fa59 100644
--- a/blockchain/block/block_deserializer_test.go
+++ b/blockchain/block/block_deserializer_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package block
 
diff --git a/blockchain/block/block_test.go b/blockchain/block/block_test.go
index 523d43c6ad..721e4674ce 100644
--- a/blockchain/block/block_test.go
+++ b/blockchain/block/block_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package block
 
diff --git a/blockchain/block/blockstore.go b/blockchain/block/blockstore.go
index 50dd58abac..e9335fa156 100644
--- a/blockchain/block/blockstore.go
+++ b/blockchain/block/blockstore.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2020 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package block
 
diff --git a/blockchain/block/blockstore_test.go b/blockchain/block/blockstore_test.go
index 09567e8aa8..36d01c1f3d 100644
--- a/blockchain/block/blockstore_test.go
+++ b/blockchain/block/blockstore_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package block
 
diff --git a/blockchain/block/body.go b/blockchain/block/body.go
index 44cbb20a13..010a33ab6c 100644
--- a/blockchain/block/body.go
+++ b/blockchain/block/body.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package block
 
diff --git a/blockchain/block/body_test.go b/blockchain/block/body_test.go
index 6390d796a9..7730436b0d 100644
--- a/blockchain/block/body_test.go
+++ b/blockchain/block/body_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package block
 
diff --git a/blockchain/block/builder.go b/blockchain/block/builder.go
index 5dac5deee2..df7403b765 100644
--- a/blockchain/block/builder.go
+++ b/blockchain/block/builder.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package block
 
diff --git a/blockchain/block/builder_test.go b/blockchain/block/builder_test.go
index 8842d94549..50ea20e5fd 100644
--- a/blockchain/block/builder_test.go
+++ b/blockchain/block/builder_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package block
 
diff --git a/blockchain/block/footer.go b/blockchain/block/footer.go
index 61a672fe87..3aeed641af 100644
--- a/blockchain/block/footer.go
+++ b/blockchain/block/footer.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package block
 
diff --git a/blockchain/block/footer_test.go b/blockchain/block/footer_test.go
index 45dd28fe24..3eaccc6528 100644
--- a/blockchain/block/footer_test.go
+++ b/blockchain/block/footer_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package block
 
diff --git a/blockchain/block/genesis_block.go b/blockchain/block/genesis_block.go
index e95c857122..c392eb0ec5 100644
--- a/blockchain/block/genesis_block.go
+++ b/blockchain/block/genesis_block.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2021 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package block
 
diff --git a/blockchain/block/genesis_block_test.go b/blockchain/block/genesis_block_test.go
index 14ecc28767..c3fc92daaf 100644
--- a/blockchain/block/genesis_block_test.go
+++ b/blockchain/block/genesis_block_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2021 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package block
 
diff --git a/blockchain/block/header.go b/blockchain/block/header.go
index efc35dd0bb..a79723d9a3 100644
--- a/blockchain/block/header.go
+++ b/blockchain/block/header.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package block
 
diff --git a/blockchain/block/header_test.go b/blockchain/block/header_test.go
index 9b36c37cfb..2107dfe19a 100644
--- a/blockchain/block/header_test.go
+++ b/blockchain/block/header_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package block
 
diff --git a/blockchain/block/runnable.go b/blockchain/block/runnable.go
index 5b98abe01e..a1709b1c03 100644
--- a/blockchain/block/runnable.go
+++ b/blockchain/block/runnable.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package block
 
diff --git a/blockchain/block/systemlog.go b/blockchain/block/systemlog.go
index a1f6acfa13..0488e4a1e2 100644
--- a/blockchain/block/systemlog.go
+++ b/blockchain/block/systemlog.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2020 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package block
 
diff --git a/blockchain/block/systemlog_test.go b/blockchain/block/systemlog_test.go
index e6fcea6af1..7763c59c7e 100644
--- a/blockchain/block/systemlog_test.go
+++ b/blockchain/block/systemlog_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2020 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package block
 
diff --git a/blockchain/block/testing.go b/blockchain/block/testing.go
index 9af716e71c..41ec8540ac 100644
--- a/blockchain/block/testing.go
+++ b/blockchain/block/testing.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package block
 
diff --git a/blockchain/block/testing_test.go b/blockchain/block/testing_test.go
index 4b12aa2eb2..6a48150ef4 100644
--- a/blockchain/block/testing_test.go
+++ b/blockchain/block/testing_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package block
 
diff --git a/blockchain/block/utils.go b/blockchain/block/utils.go
index f5b80beb5c..2787f2bd30 100644
--- a/blockchain/block/utils.go
+++ b/blockchain/block/utils.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package block
 
diff --git a/blockchain/block/validator.go b/blockchain/block/validator.go
index 5a0a8af26e..c1aa50cfc7 100644
--- a/blockchain/block/validator.go
+++ b/blockchain/block/validator.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2020 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package block
 
diff --git a/blockchain/block/validator_test.go b/blockchain/block/validator_test.go
index 8ddf9ff387..17b47640b8 100644
--- a/blockchain/block/validator_test.go
+++ b/blockchain/block/validator_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package block
 
diff --git a/blockchain/blockchain.go b/blockchain/blockchain.go
index 5445543b7b..f117983c8b 100644
--- a/blockchain/blockchain.go
+++ b/blockchain/blockchain.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package blockchain
 
diff --git a/blockchain/blockcreationsubscriber.go b/blockchain/blockcreationsubscriber.go
index a58e41352a..6c4ee19294 100644
--- a/blockchain/blockcreationsubscriber.go
+++ b/blockchain/blockcreationsubscriber.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package blockchain
 
diff --git a/blockchain/blockdao/blockdao.go b/blockchain/blockdao/blockdao.go
index 68fc45f1d8..f59d5471bf 100644
--- a/blockchain/blockdao/blockdao.go
+++ b/blockchain/blockdao/blockdao.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package blockdao
 
diff --git a/blockchain/blockdao/blockindexer.go b/blockchain/blockdao/blockindexer.go
index a0a2b86320..2a2a1fbfef 100644
--- a/blockchain/blockdao/blockindexer.go
+++ b/blockchain/blockdao/blockindexer.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package blockdao
 
diff --git a/blockchain/config.go b/blockchain/config.go
index 3e454d91fc..cabaeb2252 100644
--- a/blockchain/config.go
+++ b/blockchain/config.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package blockchain
 
diff --git a/blockchain/config_privatekey.go b/blockchain/config_privatekey.go
index dd7b32f93c..c308f4d60c 100644
--- a/blockchain/config_privatekey.go
+++ b/blockchain/config_privatekey.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package blockchain
 
diff --git a/blockchain/config_privatekey_test.go b/blockchain/config_privatekey_test.go
index 96f6415f5c..039d3e6594 100644
--- a/blockchain/config_privatekey_test.go
+++ b/blockchain/config_privatekey_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package blockchain
 
diff --git a/blockchain/config_test.go b/blockchain/config_test.go
index 8ac5989656..8a6fa88f2a 100644
--- a/blockchain/config_test.go
+++ b/blockchain/config_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package blockchain
 
diff --git a/blockchain/filedao/filedao.go b/blockchain/filedao/filedao.go
index e7d604f364..12f187a523 100644
--- a/blockchain/filedao/filedao.go
+++ b/blockchain/filedao/filedao.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2020 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package filedao
 
diff --git a/blockchain/filedao/filedao_header.go b/blockchain/filedao/filedao_header.go
index 74d7318dc0..b52a68d52d 100644
--- a/blockchain/filedao/filedao_header.go
+++ b/blockchain/filedao/filedao_header.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2020 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package filedao
 
diff --git a/blockchain/filedao/filedao_header_test.go b/blockchain/filedao/filedao_header_test.go
index ffa66dd760..09f43d7fb3 100644
--- a/blockchain/filedao/filedao_header_test.go
+++ b/blockchain/filedao/filedao_header_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2020 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package filedao
 
diff --git a/blockchain/filedao/filedao_legacy.go b/blockchain/filedao/filedao_legacy.go
index 8bc388119f..d58a4ae518 100644
--- a/blockchain/filedao/filedao_legacy.go
+++ b/blockchain/filedao/filedao_legacy.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2020 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package filedao
 
diff --git a/blockchain/filedao/filedao_legacy_test.go b/blockchain/filedao/filedao_legacy_test.go
index 895f3e33b1..a6676dce86 100644
--- a/blockchain/filedao/filedao_legacy_test.go
+++ b/blockchain/filedao/filedao_legacy_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2020 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package filedao
 
diff --git a/blockchain/filedao/filedao_test.go b/blockchain/filedao/filedao_test.go
index 0b191eedce..6f4fef6990 100644
--- a/blockchain/filedao/filedao_test.go
+++ b/blockchain/filedao/filedao_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2020 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package filedao
 
diff --git a/blockchain/filedao/filedao_util.go b/blockchain/filedao/filedao_util.go
index 6ff7388cc8..47cf12577d 100644
--- a/blockchain/filedao/filedao_util.go
+++ b/blockchain/filedao/filedao_util.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2020 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package filedao
 
diff --git a/blockchain/filedao/filedao_v2.go b/blockchain/filedao/filedao_v2.go
index 8673039dc7..e275a1275a 100644
--- a/blockchain/filedao/filedao_v2.go
+++ b/blockchain/filedao/filedao_v2.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2020 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package filedao
 
diff --git a/blockchain/filedao/filedao_v2_test.go b/blockchain/filedao/filedao_v2_test.go
index 624cfb94b2..133c34e334 100644
--- a/blockchain/filedao/filedao_v2_test.go
+++ b/blockchain/filedao/filedao_v2_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2020 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package filedao
 
diff --git a/blockchain/filedao/filedao_v2_util.go b/blockchain/filedao/filedao_v2_util.go
index 7582326e33..6f6e0aa532 100644
--- a/blockchain/filedao/filedao_v2_util.go
+++ b/blockchain/filedao/filedao_v2_util.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2020 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package filedao
 
diff --git a/blockchain/filedao/headerpb/header.pb.go b/blockchain/filedao/headerpb/header.pb.go
index 7e6aa82f06..8c47c21dce 100644
--- a/blockchain/filedao/headerpb/header.pb.go
+++ b/blockchain/filedao/headerpb/header.pb.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2020 IoTeX
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 // To compile the proto, run:
 //      protoc --go_out=plugins=grpc:. *.proto
diff --git a/blockchain/filedao/headerpb/header.proto b/blockchain/filedao/headerpb/header.proto
index 63c6d16f73..84cbfcc023 100644
--- a/blockchain/filedao/headerpb/header.proto
+++ b/blockchain/filedao/headerpb/header.proto
@@ -1,8 +1,7 @@
 // Copyright (c) 2020 IoTeX
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 // To compile the proto, run:
 //      protoc --go_out=plugins=grpc:. *.proto
diff --git a/blockchain/filedao/staging_buffer.go b/blockchain/filedao/staging_buffer.go
index dd41da8b98..726c203d64 100644
--- a/blockchain/filedao/staging_buffer.go
+++ b/blockchain/filedao/staging_buffer.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2020 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package filedao
 
diff --git a/blockchain/filedao/testing.go b/blockchain/filedao/testing.go
index 6e5c01a886..6afc3805f6 100644
--- a/blockchain/filedao/testing.go
+++ b/blockchain/filedao/testing.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2020 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package filedao
 
diff --git a/blockchain/genesis/context.go b/blockchain/genesis/context.go
index 968d13ede7..442b37bc58 100644
--- a/blockchain/genesis/context.go
+++ b/blockchain/genesis/context.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2021 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package genesis
 
diff --git a/blockchain/genesis/genesis.go b/blockchain/genesis/genesis.go
index 6a039e50af..ec5d2874f0 100644
--- a/blockchain/genesis/genesis.go
+++ b/blockchain/genesis/genesis.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2020 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package genesis
 
diff --git a/blockchain/genesis/genesis_test.go b/blockchain/genesis/genesis_test.go
index 702788126b..41266b2a6e 100644
--- a/blockchain/genesis/genesis_test.go
+++ b/blockchain/genesis/genesis_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package genesis
 
diff --git a/blockchain/genesis/heightupgrade_test.go b/blockchain/genesis/heightupgrade_test.go
index 19b5ac9ef0..e4ac2a4f05 100644
--- a/blockchain/genesis/heightupgrade_test.go
+++ b/blockchain/genesis/heightupgrade_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2020 IoTeX
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package genesis
 
diff --git a/blockchain/integrity/benchmark_test.go b/blockchain/integrity/benchmark_test.go
index cfa23f2bc3..fb98b24a6e 100644
--- a/blockchain/integrity/benchmark_test.go
+++ b/blockchain/integrity/benchmark_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package integrity
 
diff --git a/blockchain/integrity/integrity_test.go b/blockchain/integrity/integrity_test.go
index 19ff86550a..1678e5e5da 100644
--- a/blockchain/integrity/integrity_test.go
+++ b/blockchain/integrity/integrity_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package integrity
 
diff --git a/blockchain/integrity/testcontract_test.go b/blockchain/integrity/testcontract_test.go
index e3b40c0822..183a04b944 100644
--- a/blockchain/integrity/testcontract_test.go
+++ b/blockchain/integrity/testcontract_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2020 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package integrity
 
diff --git a/blockchain/pubsubmanager.go b/blockchain/pubsubmanager.go
index 1503e1bbcd..1c1041b15d 100644
--- a/blockchain/pubsubmanager.go
+++ b/blockchain/pubsubmanager.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package blockchain
 
diff --git a/blockindex/actionindex.go b/blockindex/actionindex.go
index f2e16ad7a4..4af87c9752 100644
--- a/blockindex/actionindex.go
+++ b/blockindex/actionindex.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package blockindex
 
diff --git a/blockindex/blockindex.go b/blockindex/blockindex.go
index 930f933c25..733302e132 100644
--- a/blockindex/blockindex.go
+++ b/blockindex/blockindex.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package blockindex
 
diff --git a/blockindex/bloomfilterindexer.go b/blockindex/bloomfilterindexer.go
index ab4014961d..6487cd080c 100644
--- a/blockindex/bloomfilterindexer.go
+++ b/blockindex/bloomfilterindexer.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2020 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package blockindex
 
diff --git a/blockindex/bloomfilterindexer_test.go b/blockindex/bloomfilterindexer_test.go
index 158eab92e6..250bb3c6c1 100644
--- a/blockindex/bloomfilterindexer_test.go
+++ b/blockindex/bloomfilterindexer_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2020 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package blockindex
 
diff --git a/blockindex/config.go b/blockindex/config.go
index 3f54e80f89..6d971f4fc6 100644
--- a/blockindex/config.go
+++ b/blockindex/config.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package blockindex
 
diff --git a/blockindex/indexbuilder.go b/blockindex/indexbuilder.go
index 311b8ecd7d..cb3c41ef7e 100644
--- a/blockindex/indexbuilder.go
+++ b/blockindex/indexbuilder.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package blockindex
 
diff --git a/blockindex/indexer.go b/blockindex/indexer.go
index a8602ceb5f..145b57fd24 100644
--- a/blockindex/indexer.go
+++ b/blockindex/indexer.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package blockindex
 
diff --git a/blockindex/indexer_test.go b/blockindex/indexer_test.go
index 0fb863a450..a973ac956e 100644
--- a/blockindex/indexer_test.go
+++ b/blockindex/indexer_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package blockindex
 
diff --git a/blockindex/indexpb/index.pb.go b/blockindex/indexpb/index.pb.go
index 6ee76c61b1..fd3a42c5db 100644
--- a/blockindex/indexpb/index.pb.go
+++ b/blockindex/indexpb/index.pb.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 // To compile the proto, run:
 //      protoc --go_out=plugins=grpc:. *.proto
diff --git a/blockindex/indexpb/index.proto b/blockindex/indexpb/index.proto
index cb2d8d8b99..57fde6047d 100644
--- a/blockindex/indexpb/index.proto
+++ b/blockindex/indexpb/index.proto
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 // To compile the proto, run:
 //      protoc --go_out=plugins=grpc:. *.proto
diff --git a/blocksync/blocksync.go b/blocksync/blocksync.go
index c7e8e3b520..bb497b9c4b 100644
--- a/blocksync/blocksync.go
+++ b/blocksync/blocksync.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package blocksync
 
diff --git a/blocksync/blocksync_test.go b/blocksync/blocksync_test.go
index 8098a75ef6..3f09f63390 100644
--- a/blocksync/blocksync_test.go
+++ b/blocksync/blocksync_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package blocksync
 
diff --git a/blocksync/buffer.go b/blocksync/buffer.go
index 1cd7491aef..0c3023eeba 100644
--- a/blocksync/buffer.go
+++ b/blocksync/buffer.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package blocksync
 
diff --git a/blocksync/buffer_test.go b/blocksync/buffer_test.go
index d70fcfdb30..e25ef0fe5e 100644
--- a/blocksync/buffer_test.go
+++ b/blocksync/buffer_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package blocksync
 
diff --git a/blocksync/uniqueue.go b/blocksync/uniqueue.go
index b242eb2f4a..cc0ed743fd 100644
--- a/blocksync/uniqueue.go
+++ b/blocksync/uniqueue.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2021 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package blocksync
 
diff --git a/chainservice/builder.go b/chainservice/builder.go
index 7b64cc7010..e067438c89 100644
--- a/chainservice/builder.go
+++ b/chainservice/builder.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package chainservice
 
diff --git a/chainservice/chainservice.go b/chainservice/chainservice.go
index a17476c353..4f306a08cd 100644
--- a/chainservice/chainservice.go
+++ b/chainservice/chainservice.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package chainservice
 
diff --git a/config/config.go b/config/config.go
index d628bc2df1..1c98b06277 100644
--- a/config/config.go
+++ b/config/config.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package config
 
diff --git a/config/config_test.go b/config/config_test.go
index 2ec0ef0faa..ce6931b46a 100644
--- a/config/config_test.go
+++ b/config/config_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package config
 
diff --git a/consensus/consensus.go b/consensus/consensus.go
index 46505accc6..6a2b5cf8dd 100644
--- a/consensus/consensus.go
+++ b/consensus/consensus.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package consensus
 
diff --git a/consensus/consensusfsm/consensus_ttl.go b/consensus/consensusfsm/consensus_ttl.go
index 68b165d64b..1457b826ee 100644
--- a/consensus/consensusfsm/consensus_ttl.go
+++ b/consensus/consensusfsm/consensus_ttl.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package consensusfsm
 
diff --git a/consensus/consensusfsm/consensusevent.go b/consensus/consensusfsm/consensusevent.go
index aaffc441dd..04d205d0d1 100644
--- a/consensus/consensusfsm/consensusevent.go
+++ b/consensus/consensusfsm/consensusevent.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package consensusfsm
 
diff --git a/consensus/consensusfsm/context.go b/consensus/consensusfsm/context.go
index 2d1c410771..ce2f0c3880 100644
--- a/consensus/consensusfsm/context.go
+++ b/consensus/consensusfsm/context.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package consensusfsm
 
diff --git a/consensus/consensusfsm/endorsedmessage.go b/consensus/consensusfsm/endorsedmessage.go
index 9fbc5ca0de..2bbe0c6c18 100644
--- a/consensus/consensusfsm/endorsedmessage.go
+++ b/consensus/consensusfsm/endorsedmessage.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package consensusfsm
 
diff --git a/consensus/consensusfsm/fsm.go b/consensus/consensusfsm/fsm.go
index c6b4561c39..1b553d5250 100644
--- a/consensus/consensusfsm/fsm.go
+++ b/consensus/consensusfsm/fsm.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package consensusfsm
 
diff --git a/consensus/consensusfsm/fsm_test.go b/consensus/consensusfsm/fsm_test.go
index 3413e1b1f1..1abb4376bc 100644
--- a/consensus/consensusfsm/fsm_test.go
+++ b/consensus/consensusfsm/fsm_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package consensusfsm
 
diff --git a/consensus/scheme/errors.go b/consensus/scheme/errors.go
index 56c864934e..cf6938d317 100644
--- a/consensus/scheme/errors.go
+++ b/consensus/scheme/errors.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2018 IoTeX
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package scheme
 
diff --git a/consensus/scheme/noop.go b/consensus/scheme/noop.go
index 9f29d36a25..0251b920cd 100644
--- a/consensus/scheme/noop.go
+++ b/consensus/scheme/noop.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package scheme
 
diff --git a/consensus/scheme/rolldpos/blockproposal.go b/consensus/scheme/rolldpos/blockproposal.go
index ae152f57a6..3a552471cd 100644
--- a/consensus/scheme/rolldpos/blockproposal.go
+++ b/consensus/scheme/rolldpos/blockproposal.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package rolldpos
 
diff --git a/consensus/scheme/rolldpos/blockproposal_test.go b/consensus/scheme/rolldpos/blockproposal_test.go
index 7768401528..c4ef7e2206 100644
--- a/consensus/scheme/rolldpos/blockproposal_test.go
+++ b/consensus/scheme/rolldpos/blockproposal_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package rolldpos
 
diff --git a/consensus/scheme/rolldpos/consensusvote.go b/consensus/scheme/rolldpos/consensusvote.go
index 6ec87e5fac..d78567bb76 100644
--- a/consensus/scheme/rolldpos/consensusvote.go
+++ b/consensus/scheme/rolldpos/consensusvote.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package rolldpos
 
diff --git a/consensus/scheme/rolldpos/consensusvote_test.go b/consensus/scheme/rolldpos/consensusvote_test.go
index e7f756e978..d4527e114f 100644
--- a/consensus/scheme/rolldpos/consensusvote_test.go
+++ b/consensus/scheme/rolldpos/consensusvote_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package rolldpos
 
diff --git a/consensus/scheme/rolldpos/endorsedconsensusmessage.go b/consensus/scheme/rolldpos/endorsedconsensusmessage.go
index 92750f179e..ee1f927e69 100644
--- a/consensus/scheme/rolldpos/endorsedconsensusmessage.go
+++ b/consensus/scheme/rolldpos/endorsedconsensusmessage.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package rolldpos
 
diff --git a/consensus/scheme/rolldpos/endorsedconsensusmessage_test.go b/consensus/scheme/rolldpos/endorsedconsensusmessage_test.go
index 2ec3a4e447..febfa91b55 100644
--- a/consensus/scheme/rolldpos/endorsedconsensusmessage_test.go
+++ b/consensus/scheme/rolldpos/endorsedconsensusmessage_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package rolldpos
 
diff --git a/consensus/scheme/rolldpos/endorsementmanager.go b/consensus/scheme/rolldpos/endorsementmanager.go
index 5cc82d4867..74003851d1 100644
--- a/consensus/scheme/rolldpos/endorsementmanager.go
+++ b/consensus/scheme/rolldpos/endorsementmanager.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package rolldpos
 
diff --git a/consensus/scheme/rolldpos/endorsementmanager_test.go b/consensus/scheme/rolldpos/endorsementmanager_test.go
index 89193d9f23..4885672b29 100644
--- a/consensus/scheme/rolldpos/endorsementmanager_test.go
+++ b/consensus/scheme/rolldpos/endorsementmanager_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package rolldpos
 
diff --git a/consensus/scheme/rolldpos/endorsementpb/endorsementmanager.pb.go b/consensus/scheme/rolldpos/endorsementpb/endorsementmanager.pb.go
index 3534f13d1c..6a91e1eaeb 100644
--- a/consensus/scheme/rolldpos/endorsementpb/endorsementmanager.pb.go
+++ b/consensus/scheme/rolldpos/endorsementpb/endorsementmanager.pb.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 // To compile the proto, run:
 //      protoc --go_out=plugins=grpc:. *.proto
diff --git a/consensus/scheme/rolldpos/endorsementpb/endorsementmanager.proto b/consensus/scheme/rolldpos/endorsementpb/endorsementmanager.proto
index b04bffd020..695025bcf2 100644
--- a/consensus/scheme/rolldpos/endorsementpb/endorsementmanager.proto
+++ b/consensus/scheme/rolldpos/endorsementpb/endorsementmanager.proto
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 // To compile the proto, run:
 //      protoc --go_out=plugins=grpc:. *.proto
diff --git a/consensus/scheme/rolldpos/rolldpos.go b/consensus/scheme/rolldpos/rolldpos.go
index 6f844d87c2..3b137cc99d 100644
--- a/consensus/scheme/rolldpos/rolldpos.go
+++ b/consensus/scheme/rolldpos/rolldpos.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package rolldpos
 
diff --git a/consensus/scheme/rolldpos/rolldpos_test.go b/consensus/scheme/rolldpos/rolldpos_test.go
index eec366f899..d5a440a249 100644
--- a/consensus/scheme/rolldpos/rolldpos_test.go
+++ b/consensus/scheme/rolldpos/rolldpos_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package rolldpos
 
diff --git a/consensus/scheme/rolldpos/rolldposctx.go b/consensus/scheme/rolldpos/rolldposctx.go
index f22b02b8af..7967405ac4 100644
--- a/consensus/scheme/rolldpos/rolldposctx.go
+++ b/consensus/scheme/rolldpos/rolldposctx.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package rolldpos
 
diff --git a/consensus/scheme/rolldpos/rolldposctx_test.go b/consensus/scheme/rolldpos/rolldposctx_test.go
index 5373f504b3..19ebedbf5c 100644
--- a/consensus/scheme/rolldpos/rolldposctx_test.go
+++ b/consensus/scheme/rolldpos/rolldposctx_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package rolldpos
 
diff --git a/consensus/scheme/rolldpos/roundcalculator.go b/consensus/scheme/rolldpos/roundcalculator.go
index 7a42af1cbc..7b7b908f06 100644
--- a/consensus/scheme/rolldpos/roundcalculator.go
+++ b/consensus/scheme/rolldpos/roundcalculator.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package rolldpos
 
diff --git a/consensus/scheme/rolldpos/roundcalculator_test.go b/consensus/scheme/rolldpos/roundcalculator_test.go
index b1d832c726..d14bec0b9c 100644
--- a/consensus/scheme/rolldpos/roundcalculator_test.go
+++ b/consensus/scheme/rolldpos/roundcalculator_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package rolldpos
 
diff --git a/consensus/scheme/rolldpos/roundctx.go b/consensus/scheme/rolldpos/roundctx.go
index baeaa675e6..c08825dff7 100644
--- a/consensus/scheme/rolldpos/roundctx.go
+++ b/consensus/scheme/rolldpos/roundctx.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package rolldpos
 
diff --git a/consensus/scheme/rolldpos/roundctx_test.go b/consensus/scheme/rolldpos/roundctx_test.go
index d00cc76904..f1e0b68ec2 100644
--- a/consensus/scheme/rolldpos/roundctx_test.go
+++ b/consensus/scheme/rolldpos/roundctx_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package rolldpos
 
diff --git a/consensus/scheme/scheme.go b/consensus/scheme/scheme.go
index 1b1513b260..1eed05cc4c 100644
--- a/consensus/scheme/scheme.go
+++ b/consensus/scheme/scheme.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package scheme
 
diff --git a/consensus/scheme/standalone.go b/consensus/scheme/standalone.go
index 596b795743..9dca1b1f8c 100644
--- a/consensus/scheme/standalone.go
+++ b/consensus/scheme/standalone.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package scheme
 
diff --git a/crypto/cryptosort.go b/crypto/cryptosort.go
index 6fd9dd942f..2e877dd3aa 100644
--- a/crypto/cryptosort.go
+++ b/crypto/cryptosort.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package crypto
 
diff --git a/crypto/cryptosort_test.go b/crypto/cryptosort_test.go
index d59ab7029a..9045c26e26 100644
--- a/crypto/cryptosort_test.go
+++ b/crypto/cryptosort_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package crypto
 
diff --git a/crypto/merkle.go b/crypto/merkle.go
index 88a0593278..295115f883 100644
--- a/crypto/merkle.go
+++ b/crypto/merkle.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package crypto
 
diff --git a/crypto/merkle_test.go b/crypto/merkle_test.go
index 8e54c687fd..6769d2e1a5 100644
--- a/crypto/merkle_test.go
+++ b/crypto/merkle_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package crypto
 
diff --git a/db/batch/batch.go b/db/batch/batch.go
index de0bdbf44a..553815b2eb 100644
--- a/db/batch/batch.go
+++ b/db/batch/batch.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package batch
 
diff --git a/db/batch/batch_impl.go b/db/batch/batch_impl.go
index 69e0dfd139..32af2f2bbf 100644
--- a/db/batch/batch_impl.go
+++ b/db/batch/batch_impl.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package batch
 
diff --git a/db/batch/batch_impl_test.go b/db/batch/batch_impl_test.go
index ced465e304..6c8520dbd6 100644
--- a/db/batch/batch_impl_test.go
+++ b/db/batch/batch_impl_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package batch
 
diff --git a/db/batch/kv_cache.go b/db/batch/kv_cache.go
index 4a7ed2290a..11fc1c132c 100644
--- a/db/batch/kv_cache.go
+++ b/db/batch/kv_cache.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package batch
 
diff --git a/db/batch/kv_cache_test.go b/db/batch/kv_cache_test.go
index eb1fb00dcb..bb3d190a79 100644
--- a/db/batch/kv_cache_test.go
+++ b/db/batch/kv_cache_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package batch
 
diff --git a/db/batch/writeinfo.go b/db/batch/writeinfo.go
index b2fb1ba071..3c96820b2c 100644
--- a/db/batch/writeinfo.go
+++ b/db/batch/writeinfo.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package batch
 
diff --git a/db/batch/writeinfo_test.go b/db/batch/writeinfo_test.go
index 3fe08ea269..15d681bd3a 100644
--- a/db/batch/writeinfo_test.go
+++ b/db/batch/writeinfo_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package batch
 
diff --git a/db/config.go b/db/config.go
index 560f948810..d08049fd8a 100644
--- a/db/config.go
+++ b/db/config.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2021 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package db
 
diff --git a/db/config_test.go b/db/config_test.go
index 4fc4a9417c..50b0c74f63 100644
--- a/db/config_test.go
+++ b/db/config_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2021 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package db
 
diff --git a/db/counting_index.go b/db/counting_index.go
index dde27cd64a..07485a16b7 100644
--- a/db/counting_index.go
+++ b/db/counting_index.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package db
 
diff --git a/db/counting_index_test.go b/db/counting_index_test.go
index 0105d996b2..51d0816062 100644
--- a/db/counting_index_test.go
+++ b/db/counting_index_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package db
 
diff --git a/db/db_bolt.go b/db/db_bolt.go
index 13ef5a6481..c5c1331200 100644
--- a/db/db_bolt.go
+++ b/db/db_bolt.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package db
 
diff --git a/db/db_bolt_test.go b/db/db_bolt_test.go
index f1cc21fc74..8d76b6d716 100644
--- a/db/db_bolt_test.go
+++ b/db/db_bolt_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package db
 
diff --git a/db/db_test.go b/db/db_test.go
index da8012d432..96b928fbe1 100644
--- a/db/db_test.go
+++ b/db/db_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package db
 
diff --git a/db/kvstore.go b/db/kvstore.go
index 3805b220cb..4bd4c6e1dc 100644
--- a/db/kvstore.go
+++ b/db/kvstore.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package db
 
diff --git a/db/kvstore_impl.go b/db/kvstore_impl.go
index 980fa5f360..688f186fc8 100644
--- a/db/kvstore_impl.go
+++ b/db/kvstore_impl.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package db
 
diff --git a/db/kvstore_impl_test.go b/db/kvstore_impl_test.go
index cdeaa2764b..86d2873b21 100644
--- a/db/kvstore_impl_test.go
+++ b/db/kvstore_impl_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package db
 
diff --git a/db/range_index.go b/db/range_index.go
index 3413213db7..37f866f364 100644
--- a/db/range_index.go
+++ b/db/range_index.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package db
 
diff --git a/db/range_index_test.go b/db/range_index_test.go
index bb9f0940e7..20155bd762 100644
--- a/db/range_index_test.go
+++ b/db/range_index_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package db
 
diff --git a/db/trie/kvstore.go b/db/trie/kvstore.go
index 788a8078fa..d8f092db95 100644
--- a/db/trie/kvstore.go
+++ b/db/trie/kvstore.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2018 IoTeX
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package trie
 
diff --git a/db/trie/kvstoreimpl.go b/db/trie/kvstoreimpl.go
index 30ff55243a..e2fd3b4b96 100644
--- a/db/trie/kvstoreimpl.go
+++ b/db/trie/kvstoreimpl.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package trie
 
diff --git a/db/trie/kvstoreimpl_test.go b/db/trie/kvstoreimpl_test.go
index 7cf7a5cd16..781a6c04a4 100644
--- a/db/trie/kvstoreimpl_test.go
+++ b/db/trie/kvstoreimpl_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package trie
 
diff --git a/db/trie/mptrie/branchnode.go b/db/trie/mptrie/branchnode.go
index 4460a25601..a28dc2b913 100644
--- a/db/trie/mptrie/branchnode.go
+++ b/db/trie/mptrie/branchnode.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package mptrie
 
diff --git a/db/trie/mptrie/branchnode_test.go b/db/trie/mptrie/branchnode_test.go
index 33ec6de58c..e2186a2310 100644
--- a/db/trie/mptrie/branchnode_test.go
+++ b/db/trie/mptrie/branchnode_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2020 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package mptrie
 
diff --git a/db/trie/mptrie/cachenode.go b/db/trie/mptrie/cachenode.go
index edf23fe4eb..09d3c6fea1 100644
--- a/db/trie/mptrie/cachenode.go
+++ b/db/trie/mptrie/cachenode.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2020 IoTeX
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package mptrie
 
diff --git a/db/trie/mptrie/extensionnode.go b/db/trie/mptrie/extensionnode.go
index 9bf28d1eae..153b8d61e5 100644
--- a/db/trie/mptrie/extensionnode.go
+++ b/db/trie/mptrie/extensionnode.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package mptrie
 
diff --git a/db/trie/mptrie/extensionnode_test.go b/db/trie/mptrie/extensionnode_test.go
index f2a451223b..399dd48e72 100644
--- a/db/trie/mptrie/extensionnode_test.go
+++ b/db/trie/mptrie/extensionnode_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2020 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package mptrie
 
diff --git a/db/trie/mptrie/hashnode.go b/db/trie/mptrie/hashnode.go
index 32c9fbbf5b..6ac9b2e573 100644
--- a/db/trie/mptrie/hashnode.go
+++ b/db/trie/mptrie/hashnode.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2020 IoTeX
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package mptrie
 
diff --git a/db/trie/mptrie/layertwoleafiterator.go b/db/trie/mptrie/layertwoleafiterator.go
index ef14d0c3a6..e5a24879e0 100644
--- a/db/trie/mptrie/layertwoleafiterator.go
+++ b/db/trie/mptrie/layertwoleafiterator.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2018 IoTeX
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package mptrie
 
diff --git a/db/trie/mptrie/leafiterator.go b/db/trie/mptrie/leafiterator.go
index 4bedb86ccb..92756abc86 100644
--- a/db/trie/mptrie/leafiterator.go
+++ b/db/trie/mptrie/leafiterator.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2018 IoTeX
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package mptrie
 
diff --git a/db/trie/mptrie/leafiterator_test.go b/db/trie/mptrie/leafiterator_test.go
index 3c77e58f45..c1f71037af 100644
--- a/db/trie/mptrie/leafiterator_test.go
+++ b/db/trie/mptrie/leafiterator_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2020 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package mptrie
 
diff --git a/db/trie/mptrie/leafnode.go b/db/trie/mptrie/leafnode.go
index 49647ff11f..4502b6ba2f 100644
--- a/db/trie/mptrie/leafnode.go
+++ b/db/trie/mptrie/leafnode.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package mptrie
 
diff --git a/db/trie/mptrie/leafnode_test.go b/db/trie/mptrie/leafnode_test.go
index 5e5e3a0e69..3c3ff26cdb 100644
--- a/db/trie/mptrie/leafnode_test.go
+++ b/db/trie/mptrie/leafnode_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2020 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package mptrie
 
diff --git a/db/trie/mptrie/merklepatriciatrie.go b/db/trie/mptrie/merklepatriciatrie.go
index fde787dc3b..3686532d49 100644
--- a/db/trie/mptrie/merklepatriciatrie.go
+++ b/db/trie/mptrie/merklepatriciatrie.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package mptrie
 
diff --git a/db/trie/mptrie/merklepatriciatrie_test.go b/db/trie/mptrie/merklepatriciatrie_test.go
index c78735940d..5cf27f0a81 100644
--- a/db/trie/mptrie/merklepatriciatrie_test.go
+++ b/db/trie/mptrie/merklepatriciatrie_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package mptrie
 
diff --git a/db/trie/mptrie/node.go b/db/trie/mptrie/node.go
index b759982e25..12dac1024a 100644
--- a/db/trie/mptrie/node.go
+++ b/db/trie/mptrie/node.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2020 IoTeX
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package mptrie
 
diff --git a/db/trie/mptrie/twolayertrie.go b/db/trie/mptrie/twolayertrie.go
index 8c8ec0dc95..314fb1303d 100644
--- a/db/trie/mptrie/twolayertrie.go
+++ b/db/trie/mptrie/twolayertrie.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2020 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package mptrie
 
diff --git a/db/trie/mptrie/twolayertrie_test.go b/db/trie/mptrie/twolayertrie_test.go
index 332e89b794..97381405ad 100644
--- a/db/trie/mptrie/twolayertrie_test.go
+++ b/db/trie/mptrie/twolayertrie_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2020 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package mptrie
 
diff --git a/db/trie/trie.go b/db/trie/trie.go
index c484224c38..f7acaf483d 100644
--- a/db/trie/trie.go
+++ b/db/trie/trie.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package trie
 
diff --git a/db/trie/triepb/trie.pb.go b/db/trie/triepb/trie.pb.go
index f5969c26f0..56a8ce2fdf 100644
--- a/db/trie/triepb/trie.pb.go
+++ b/db/trie/triepb/trie.pb.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 // To compile the proto, run:
 //      protoc --go_out=plugins=grpc:. *.proto
diff --git a/db/trie/triepb/trie.proto b/db/trie/triepb/trie.proto
index 92bc4d709b..eb04221fdc 100644
--- a/db/trie/triepb/trie.proto
+++ b/db/trie/triepb/trie.proto
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 // To compile the proto, run:
 //      protoc --go_out=plugins=grpc:. *.proto
diff --git a/dispatcher/dispatcher.go b/dispatcher/dispatcher.go
index 37e105582f..70c910e412 100644
--- a/dispatcher/dispatcher.go
+++ b/dispatcher/dispatcher.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package dispatcher
 
diff --git a/dispatcher/dispatcher_test.go b/dispatcher/dispatcher_test.go
index 3fb2e14f39..bc56e26e07 100644
--- a/dispatcher/dispatcher_test.go
+++ b/dispatcher/dispatcher_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package dispatcher
 
diff --git a/e2etest/bigint_test.go b/e2etest/bigint_test.go
index 735dc8336d..0fc0a5130a 100644
--- a/e2etest/bigint_test.go
+++ b/e2etest/bigint_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package e2etest
 
diff --git a/e2etest/local_actpool_test.go b/e2etest/local_actpool_test.go
index f13b327833..f42b0b0c42 100644
--- a/e2etest/local_actpool_test.go
+++ b/e2etest/local_actpool_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package e2etest
 
diff --git a/e2etest/local_test.go b/e2etest/local_test.go
index 599859bdec..c858ef13fd 100644
--- a/e2etest/local_test.go
+++ b/e2etest/local_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package e2etest
 
diff --git a/e2etest/local_transfer_test.go b/e2etest/local_transfer_test.go
index 5e13081f9a..be037167f7 100644
--- a/e2etest/local_transfer_test.go
+++ b/e2etest/local_transfer_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package e2etest
 
diff --git a/e2etest/staking_test.go b/e2etest/staking_test.go
index 8c41b2943d..98075e9296 100644
--- a/e2etest/staking_test.go
+++ b/e2etest/staking_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2020 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package e2etest
 
diff --git a/e2etest/util.go b/e2etest/util.go
index b6d6433d1b..3cea1fa4dc 100644
--- a/e2etest/util.go
+++ b/e2etest/util.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package e2etest
 
diff --git a/endorsement/endorsement.go b/endorsement/endorsement.go
index 629741bd26..0506326211 100644
--- a/endorsement/endorsement.go
+++ b/endorsement/endorsement.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package endorsement
 
diff --git a/gasstation/gasstattion.go b/gasstation/gasstattion.go
index 0635c05640..4bc5353871 100644
--- a/gasstation/gasstattion.go
+++ b/gasstation/gasstattion.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package gasstation
 
diff --git a/gasstation/gasstattion_test.go b/gasstation/gasstattion_test.go
index 9f57f762af..7f9d25f1f4 100644
--- a/gasstation/gasstattion_test.go
+++ b/gasstation/gasstattion_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package gasstation
 
diff --git a/ioctl/client.go b/ioctl/client.go
index f8787903f8..f5640813c2 100644
--- a/ioctl/client.go
+++ b/ioctl/client.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package ioctl
 
diff --git a/ioctl/client_test.go b/ioctl/client_test.go
index a72da30fa7..d434604052 100644
--- a/ioctl/client_test.go
+++ b/ioctl/client_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package ioctl
 
diff --git a/ioctl/cmd/account/account.go b/ioctl/cmd/account/account.go
index 6462d6c668..baf0492d68 100644
--- a/ioctl/cmd/account/account.go
+++ b/ioctl/cmd/account/account.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package account
 
diff --git a/ioctl/cmd/account/account_test.go b/ioctl/cmd/account/account_test.go
index 9eaebf3c66..ca6e51de7f 100644
--- a/ioctl/cmd/account/account_test.go
+++ b/ioctl/cmd/account/account_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package account
 
diff --git a/ioctl/cmd/account/accountactions.go b/ioctl/cmd/account/accountactions.go
index fb95a9c4f2..3593a4477e 100644
--- a/ioctl/cmd/account/accountactions.go
+++ b/ioctl/cmd/account/accountactions.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package account
 
diff --git a/ioctl/cmd/account/accountbalance.go b/ioctl/cmd/account/accountbalance.go
index 4c9eb57af1..20eef33499 100644
--- a/ioctl/cmd/account/accountbalance.go
+++ b/ioctl/cmd/account/accountbalance.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package account
 
diff --git a/ioctl/cmd/account/accountcreate.go b/ioctl/cmd/account/accountcreate.go
index 446c69edd9..a4150a3eec 100644
--- a/ioctl/cmd/account/accountcreate.go
+++ b/ioctl/cmd/account/accountcreate.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package account
 
diff --git a/ioctl/cmd/account/accountcreateadd.go b/ioctl/cmd/account/accountcreateadd.go
index 07cb54aeea..a860ca7c9c 100644
--- a/ioctl/cmd/account/accountcreateadd.go
+++ b/ioctl/cmd/account/accountcreateadd.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package account
 
diff --git a/ioctl/cmd/account/accountdelete.go b/ioctl/cmd/account/accountdelete.go
index aea60ef8ae..5df32167db 100644
--- a/ioctl/cmd/account/accountdelete.go
+++ b/ioctl/cmd/account/accountdelete.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package account
 
diff --git a/ioctl/cmd/account/accountethaddr.go b/ioctl/cmd/account/accountethaddr.go
index 73f9a6c834..b9fc5c8836 100644
--- a/ioctl/cmd/account/accountethaddr.go
+++ b/ioctl/cmd/account/accountethaddr.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package account
 
diff --git a/ioctl/cmd/account/accountexport.go b/ioctl/cmd/account/accountexport.go
index 866737bd6f..5e4d871756 100644
--- a/ioctl/cmd/account/accountexport.go
+++ b/ioctl/cmd/account/accountexport.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package account
 
diff --git a/ioctl/cmd/account/accountexportpublic.go b/ioctl/cmd/account/accountexportpublic.go
index 9af8a5c176..4f6b0c0b3e 100644
--- a/ioctl/cmd/account/accountexportpublic.go
+++ b/ioctl/cmd/account/accountexportpublic.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package account
 
diff --git a/ioctl/cmd/account/accountimport.go b/ioctl/cmd/account/accountimport.go
index 188fb03ec9..da87b425c5 100644
--- a/ioctl/cmd/account/accountimport.go
+++ b/ioctl/cmd/account/accountimport.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package account
 
diff --git a/ioctl/cmd/account/accountinfo.go b/ioctl/cmd/account/accountinfo.go
index c737feac00..2f0e4501bd 100644
--- a/ioctl/cmd/account/accountinfo.go
+++ b/ioctl/cmd/account/accountinfo.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package account
 
diff --git a/ioctl/cmd/account/accountlist.go b/ioctl/cmd/account/accountlist.go
index 4f3c6124f0..36975124a0 100644
--- a/ioctl/cmd/account/accountlist.go
+++ b/ioctl/cmd/account/accountlist.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package account
 
diff --git a/ioctl/cmd/account/accountnonce.go b/ioctl/cmd/account/accountnonce.go
index f49c9faa20..abbf4ebe7e 100644
--- a/ioctl/cmd/account/accountnonce.go
+++ b/ioctl/cmd/account/accountnonce.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package account
 
diff --git a/ioctl/cmd/account/accountsign.go b/ioctl/cmd/account/accountsign.go
index 5e516037c6..ab27b1f12e 100644
--- a/ioctl/cmd/account/accountsign.go
+++ b/ioctl/cmd/account/accountsign.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package account
 
diff --git a/ioctl/cmd/account/accountupdate.go b/ioctl/cmd/account/accountupdate.go
index bf5fc0c00e..ea1373aea4 100644
--- a/ioctl/cmd/account/accountupdate.go
+++ b/ioctl/cmd/account/accountupdate.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package account
 
diff --git a/ioctl/cmd/account/accountverify.go b/ioctl/cmd/account/accountverify.go
index 2f1df34150..1177bf2339 100644
--- a/ioctl/cmd/account/accountverify.go
+++ b/ioctl/cmd/account/accountverify.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package account
 
diff --git a/ioctl/cmd/action/action.go b/ioctl/cmd/action/action.go
index b944174f84..bb502b0d5f 100644
--- a/ioctl/cmd/action/action.go
+++ b/ioctl/cmd/action/action.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package action
 
diff --git a/ioctl/cmd/action/actionclaim.go b/ioctl/cmd/action/actionclaim.go
index 0caae2e7a7..af3002a4ed 100644
--- a/ioctl/cmd/action/actionclaim.go
+++ b/ioctl/cmd/action/actionclaim.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package action
 
diff --git a/ioctl/cmd/action/actiondeploy.go b/ioctl/cmd/action/actiondeploy.go
index ac446f9bfb..15fe61a24e 100644
--- a/ioctl/cmd/action/actiondeploy.go
+++ b/ioctl/cmd/action/actiondeploy.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package action
 
diff --git a/ioctl/cmd/action/actiondeposit.go b/ioctl/cmd/action/actiondeposit.go
index fac001ea36..b203f543b9 100644
--- a/ioctl/cmd/action/actiondeposit.go
+++ b/ioctl/cmd/action/actiondeposit.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disdeposited. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package action
 
diff --git a/ioctl/cmd/action/actionhash.go b/ioctl/cmd/action/actionhash.go
index 11c062473c..30b0b53f04 100644
--- a/ioctl/cmd/action/actionhash.go
+++ b/ioctl/cmd/action/actionhash.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package action
 
diff --git a/ioctl/cmd/action/actioninvoke.go b/ioctl/cmd/action/actioninvoke.go
index d656154c2b..b416f582c7 100644
--- a/ioctl/cmd/action/actioninvoke.go
+++ b/ioctl/cmd/action/actioninvoke.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package action
 
diff --git a/ioctl/cmd/action/actionread.go b/ioctl/cmd/action/actionread.go
index 5a5e28a651..7267582102 100644
--- a/ioctl/cmd/action/actionread.go
+++ b/ioctl/cmd/action/actionread.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package action
 
diff --git a/ioctl/cmd/action/actionsendraw.go b/ioctl/cmd/action/actionsendraw.go
index 9a1eb4e68e..19227b10ac 100644
--- a/ioctl/cmd/action/actionsendraw.go
+++ b/ioctl/cmd/action/actionsendraw.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package action
 
diff --git a/ioctl/cmd/action/actiontransfer.go b/ioctl/cmd/action/actiontransfer.go
index 4675589c45..7e19031795 100644
--- a/ioctl/cmd/action/actiontransfer.go
+++ b/ioctl/cmd/action/actiontransfer.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package action
 
diff --git a/ioctl/cmd/action/stake2.go b/ioctl/cmd/action/stake2.go
index 05bc458301..22b3bce3e9 100644
--- a/ioctl/cmd/action/stake2.go
+++ b/ioctl/cmd/action/stake2.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package action
 
diff --git a/ioctl/cmd/action/stake2Transfer.go b/ioctl/cmd/action/stake2Transfer.go
index 295bcad576..683b283da8 100644
--- a/ioctl/cmd/action/stake2Transfer.go
+++ b/ioctl/cmd/action/stake2Transfer.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package action
 
diff --git a/ioctl/cmd/action/stake2Withdraw.go b/ioctl/cmd/action/stake2Withdraw.go
index d68934ff8f..f170c744c6 100644
--- a/ioctl/cmd/action/stake2Withdraw.go
+++ b/ioctl/cmd/action/stake2Withdraw.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package action
 
diff --git a/ioctl/cmd/action/stake2add.go b/ioctl/cmd/action/stake2add.go
index 2dc454463e..d5ce5f112c 100644
--- a/ioctl/cmd/action/stake2add.go
+++ b/ioctl/cmd/action/stake2add.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is didslaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability 
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is didslaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package action
 
diff --git a/ioctl/cmd/action/stake2change.go b/ioctl/cmd/action/stake2change.go
index f1531771a6..4ebfd55b40 100644
--- a/ioctl/cmd/action/stake2change.go
+++ b/ioctl/cmd/action/stake2change.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package action
 
diff --git a/ioctl/cmd/action/stake2create.go b/ioctl/cmd/action/stake2create.go
index 26e2c8aaf6..34896e4f65 100644
--- a/ioctl/cmd/action/stake2create.go
+++ b/ioctl/cmd/action/stake2create.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package action
 
diff --git a/ioctl/cmd/action/stake2reclaim.go b/ioctl/cmd/action/stake2reclaim.go
index 79129d4954..2567aadc89 100644
--- a/ioctl/cmd/action/stake2reclaim.go
+++ b/ioctl/cmd/action/stake2reclaim.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package action
 
diff --git a/ioctl/cmd/action/stake2register.go b/ioctl/cmd/action/stake2register.go
index f6e0923dfe..32933abc1a 100644
--- a/ioctl/cmd/action/stake2register.go
+++ b/ioctl/cmd/action/stake2register.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package action
 
diff --git a/ioctl/cmd/action/stake2release.go b/ioctl/cmd/action/stake2release.go
index fdeba0ecb3..5701b02cb5 100644
--- a/ioctl/cmd/action/stake2release.go
+++ b/ioctl/cmd/action/stake2release.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package action
 
diff --git a/ioctl/cmd/action/stake2renew.go b/ioctl/cmd/action/stake2renew.go
index d54454067d..20fc41b879 100644
--- a/ioctl/cmd/action/stake2renew.go
+++ b/ioctl/cmd/action/stake2renew.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package action
 
diff --git a/ioctl/cmd/action/stake2update.go b/ioctl/cmd/action/stake2update.go
index 7bc0c7e6b9..3d255e38b2 100644
--- a/ioctl/cmd/action/stake2update.go
+++ b/ioctl/cmd/action/stake2update.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package action
 
diff --git a/ioctl/cmd/action/xrc20.go b/ioctl/cmd/action/xrc20.go
index d23a051d07..9f72d21958 100644
--- a/ioctl/cmd/action/xrc20.go
+++ b/ioctl/cmd/action/xrc20.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package action
 
diff --git a/ioctl/cmd/action/xrc20allowance.go b/ioctl/cmd/action/xrc20allowance.go
index b559009139..e076c673b5 100644
--- a/ioctl/cmd/action/xrc20allowance.go
+++ b/ioctl/cmd/action/xrc20allowance.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package action
 
diff --git a/ioctl/cmd/action/xrc20approve.go b/ioctl/cmd/action/xrc20approve.go
index dd4dd27b9f..701c6a1718 100644
--- a/ioctl/cmd/action/xrc20approve.go
+++ b/ioctl/cmd/action/xrc20approve.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package action
 
diff --git a/ioctl/cmd/action/xrc20balanceof.go b/ioctl/cmd/action/xrc20balanceof.go
index 4b986200a0..696b861e6b 100644
--- a/ioctl/cmd/action/xrc20balanceof.go
+++ b/ioctl/cmd/action/xrc20balanceof.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package action
 
diff --git a/ioctl/cmd/action/xrc20totalsupply.go b/ioctl/cmd/action/xrc20totalsupply.go
index 32cbed7c61..17c09d1326 100644
--- a/ioctl/cmd/action/xrc20totalsupply.go
+++ b/ioctl/cmd/action/xrc20totalsupply.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package action
 
diff --git a/ioctl/cmd/action/xrc20transfer.go b/ioctl/cmd/action/xrc20transfer.go
index 97e3820ddd..5e53c7f53a 100644
--- a/ioctl/cmd/action/xrc20transfer.go
+++ b/ioctl/cmd/action/xrc20transfer.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package action
 
diff --git a/ioctl/cmd/action/xrc20transferfrom.go b/ioctl/cmd/action/xrc20transferfrom.go
index dcf7d6ad1d..56d05ae50f 100644
--- a/ioctl/cmd/action/xrc20transferfrom.go
+++ b/ioctl/cmd/action/xrc20transferfrom.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package action
 
diff --git a/ioctl/cmd/alias/alias.go b/ioctl/cmd/alias/alias.go
index 6d480f41d0..7a13b537be 100644
--- a/ioctl/cmd/alias/alias.go
+++ b/ioctl/cmd/alias/alias.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package alias
 
diff --git a/ioctl/cmd/alias/alias_test.go b/ioctl/cmd/alias/alias_test.go
index 5ec6261293..2f293621e6 100644
--- a/ioctl/cmd/alias/alias_test.go
+++ b/ioctl/cmd/alias/alias_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package alias
 
diff --git a/ioctl/cmd/alias/aliasexport.go b/ioctl/cmd/alias/aliasexport.go
index ce59d22303..6b0c49ebf2 100644
--- a/ioctl/cmd/alias/aliasexport.go
+++ b/ioctl/cmd/alias/aliasexport.go
@@ -1,8 +1,7 @@
 // Copyright (c) 202 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package alias
 
diff --git a/ioctl/cmd/alias/aliasimport.go b/ioctl/cmd/alias/aliasimport.go
index ac26df3a12..e356a46842 100644
--- a/ioctl/cmd/alias/aliasimport.go
+++ b/ioctl/cmd/alias/aliasimport.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package alias
 
diff --git a/ioctl/cmd/alias/aliaslist.go b/ioctl/cmd/alias/aliaslist.go
index da992dab2c..5dd8015da8 100644
--- a/ioctl/cmd/alias/aliaslist.go
+++ b/ioctl/cmd/alias/aliaslist.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package alias
 
diff --git a/ioctl/cmd/alias/aliasremove.go b/ioctl/cmd/alias/aliasremove.go
index 871909da86..2c0029177e 100644
--- a/ioctl/cmd/alias/aliasremove.go
+++ b/ioctl/cmd/alias/aliasremove.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package alias
 
diff --git a/ioctl/cmd/alias/aliasset.go b/ioctl/cmd/alias/aliasset.go
index 0bd97d1168..b15f04d644 100644
--- a/ioctl/cmd/alias/aliasset.go
+++ b/ioctl/cmd/alias/aliasset.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package alias
 
diff --git a/ioctl/cmd/bc/bc.go b/ioctl/cmd/bc/bc.go
index 93d4579f08..bdfce75a71 100644
--- a/ioctl/cmd/bc/bc.go
+++ b/ioctl/cmd/bc/bc.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package bc
 
diff --git a/ioctl/cmd/bc/bcblock.go b/ioctl/cmd/bc/bcblock.go
index 82957e17ad..88a95a8bff 100644
--- a/ioctl/cmd/bc/bcblock.go
+++ b/ioctl/cmd/bc/bcblock.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package bc
 
diff --git a/ioctl/cmd/bc/bcbucket.go b/ioctl/cmd/bc/bcbucket.go
index 7df7f9b119..d68279d7bb 100644
--- a/ioctl/cmd/bc/bcbucket.go
+++ b/ioctl/cmd/bc/bcbucket.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package bc
 
diff --git a/ioctl/cmd/bc/bcbucketlist.go b/ioctl/cmd/bc/bcbucketlist.go
index 4a73035075..53642dbbdc 100644
--- a/ioctl/cmd/bc/bcbucketlist.go
+++ b/ioctl/cmd/bc/bcbucketlist.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package bc
 
diff --git a/ioctl/cmd/bc/bcinfo.go b/ioctl/cmd/bc/bcinfo.go
index 158dbbfbd3..3ae6dff798 100644
--- a/ioctl/cmd/bc/bcinfo.go
+++ b/ioctl/cmd/bc/bcinfo.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package bc
 
diff --git a/ioctl/cmd/contract/contract.go b/ioctl/cmd/contract/contract.go
index d49bb3738f..a30c16cbd8 100644
--- a/ioctl/cmd/contract/contract.go
+++ b/ioctl/cmd/contract/contract.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package contract
 
diff --git a/ioctl/cmd/contract/contract_test.go b/ioctl/cmd/contract/contract_test.go
index 82c41473a8..f12006202b 100644
--- a/ioctl/cmd/contract/contract_test.go
+++ b/ioctl/cmd/contract/contract_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2020 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package contract
 
diff --git a/ioctl/cmd/contract/contractcompile.go b/ioctl/cmd/contract/contractcompile.go
index 55e758c18d..3b9ee42186 100644
--- a/ioctl/cmd/contract/contractcompile.go
+++ b/ioctl/cmd/contract/contractcompile.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package contract
 
diff --git a/ioctl/cmd/contract/contractdeploy.go b/ioctl/cmd/contract/contractdeploy.go
index 63997428fa..4801230391 100644
--- a/ioctl/cmd/contract/contractdeploy.go
+++ b/ioctl/cmd/contract/contractdeploy.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package contract
 
diff --git a/ioctl/cmd/contract/contractdeploybin.go b/ioctl/cmd/contract/contractdeploybin.go
index e15e09da7a..56daadd0ac 100644
--- a/ioctl/cmd/contract/contractdeploybin.go
+++ b/ioctl/cmd/contract/contractdeploybin.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package contract
 
diff --git a/ioctl/cmd/contract/contractdeploybytecode.go b/ioctl/cmd/contract/contractdeploybytecode.go
index 1d46bf7710..e83ea710c0 100644
--- a/ioctl/cmd/contract/contractdeploybytecode.go
+++ b/ioctl/cmd/contract/contractdeploybytecode.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package contract
 
diff --git a/ioctl/cmd/contract/contractdeploysol.go b/ioctl/cmd/contract/contractdeploysol.go
index 3179614d6d..cc6e10d980 100644
--- a/ioctl/cmd/contract/contractdeploysol.go
+++ b/ioctl/cmd/contract/contractdeploysol.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package contract
 
diff --git a/ioctl/cmd/contract/contractinvoke.go b/ioctl/cmd/contract/contractinvoke.go
index 970e9c82db..bb6a8ed6fa 100644
--- a/ioctl/cmd/contract/contractinvoke.go
+++ b/ioctl/cmd/contract/contractinvoke.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package contract
 
diff --git a/ioctl/cmd/contract/contractinvokebytecode.go b/ioctl/cmd/contract/contractinvokebytecode.go
index 4964acd362..d7b1435db1 100644
--- a/ioctl/cmd/contract/contractinvokebytecode.go
+++ b/ioctl/cmd/contract/contractinvokebytecode.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package contract
 
diff --git a/ioctl/cmd/contract/contractinvokefunction.go b/ioctl/cmd/contract/contractinvokefunction.go
index 323ee3446c..c4998bc156 100644
--- a/ioctl/cmd/contract/contractinvokefunction.go
+++ b/ioctl/cmd/contract/contractinvokefunction.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package contract
 
diff --git a/ioctl/cmd/contract/contractprepare.go b/ioctl/cmd/contract/contractprepare.go
index 2d0b9fd66e..d60f782673 100644
--- a/ioctl/cmd/contract/contractprepare.go
+++ b/ioctl/cmd/contract/contractprepare.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package contract
 
diff --git a/ioctl/cmd/contract/contractshare.go b/ioctl/cmd/contract/contractshare.go
index b1fc5d4ab0..231cf5c268 100644
--- a/ioctl/cmd/contract/contractshare.go
+++ b/ioctl/cmd/contract/contractshare.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package contract
 
diff --git a/ioctl/cmd/contract/contracttest.go b/ioctl/cmd/contract/contracttest.go
index e79ef8cf51..0b447e6dcd 100644
--- a/ioctl/cmd/contract/contracttest.go
+++ b/ioctl/cmd/contract/contracttest.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package contract
 
diff --git a/ioctl/cmd/contract/contracttestbytecode.go b/ioctl/cmd/contract/contracttestbytecode.go
index 2f537985e8..24a1d06a5b 100644
--- a/ioctl/cmd/contract/contracttestbytecode.go
+++ b/ioctl/cmd/contract/contracttestbytecode.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package contract
 
diff --git a/ioctl/cmd/contract/contracttestfunction.go b/ioctl/cmd/contract/contracttestfunction.go
index 3f1b6d1055..04979fd041 100644
--- a/ioctl/cmd/contract/contracttestfunction.go
+++ b/ioctl/cmd/contract/contracttestfunction.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package contract
 
diff --git a/ioctl/cmd/contract/parse.go b/ioctl/cmd/contract/parse.go
index 8d8b9e5f74..4766d770e5 100644
--- a/ioctl/cmd/contract/parse.go
+++ b/ioctl/cmd/contract/parse.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2020 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package contract
 
diff --git a/ioctl/cmd/did/did.go b/ioctl/cmd/did/did.go
index 1c3897aa9d..87552d1ce4 100644
--- a/ioctl/cmd/did/did.go
+++ b/ioctl/cmd/did/did.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package did
 
diff --git a/ioctl/cmd/did/didderegister.go b/ioctl/cmd/did/didderegister.go
index 23727d06a7..38155b20cb 100644
--- a/ioctl/cmd/did/didderegister.go
+++ b/ioctl/cmd/did/didderegister.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package did
 
diff --git a/ioctl/cmd/did/diddoc.go b/ioctl/cmd/did/diddoc.go
index dfce064ea1..def08b2a54 100644
--- a/ioctl/cmd/did/diddoc.go
+++ b/ioctl/cmd/did/diddoc.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2020 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package did
 
diff --git a/ioctl/cmd/did/didgenerate.go b/ioctl/cmd/did/didgenerate.go
index 29e0d89cac..2e7d210e1a 100644
--- a/ioctl/cmd/did/didgenerate.go
+++ b/ioctl/cmd/did/didgenerate.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2020 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package did
 
diff --git a/ioctl/cmd/did/didgethash.go b/ioctl/cmd/did/didgethash.go
index ff2f9fbeb5..c05410900f 100644
--- a/ioctl/cmd/did/didgethash.go
+++ b/ioctl/cmd/did/didgethash.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package did
 
diff --git a/ioctl/cmd/did/didgeturi.go b/ioctl/cmd/did/didgeturi.go
index e883cbbdf3..ef1eacb432 100644
--- a/ioctl/cmd/did/didgeturi.go
+++ b/ioctl/cmd/did/didgeturi.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package did
 
diff --git a/ioctl/cmd/did/didregister.go b/ioctl/cmd/did/didregister.go
index f60e936f60..ee3a6862ae 100644
--- a/ioctl/cmd/did/didregister.go
+++ b/ioctl/cmd/did/didregister.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package did
 
diff --git a/ioctl/cmd/did/didupdate.go b/ioctl/cmd/did/didupdate.go
index e5ed911f5c..d2678890ee 100644
--- a/ioctl/cmd/did/didupdate.go
+++ b/ioctl/cmd/did/didupdate.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package did
 
diff --git a/ioctl/cmd/hdwallet/hdwallet.go b/ioctl/cmd/hdwallet/hdwallet.go
index 43902cc6d7..a1fe532ae3 100644
--- a/ioctl/cmd/hdwallet/hdwallet.go
+++ b/ioctl/cmd/hdwallet/hdwallet.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package hdwallet
 
diff --git a/ioctl/cmd/hdwallet/hdwallet_test.go b/ioctl/cmd/hdwallet/hdwallet_test.go
index 685002ff38..5ae68459bd 100644
--- a/ioctl/cmd/hdwallet/hdwallet_test.go
+++ b/ioctl/cmd/hdwallet/hdwallet_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2020 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package hdwallet
 
diff --git a/ioctl/cmd/hdwallet/hdwalletcreate.go b/ioctl/cmd/hdwallet/hdwalletcreate.go
index c75d17376d..05f8e8700a 100644
--- a/ioctl/cmd/hdwallet/hdwalletcreate.go
+++ b/ioctl/cmd/hdwallet/hdwalletcreate.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package hdwallet
 
diff --git a/ioctl/cmd/hdwallet/hdwalletdelete.go b/ioctl/cmd/hdwallet/hdwalletdelete.go
index b98c283078..da438a1b8b 100644
--- a/ioctl/cmd/hdwallet/hdwalletdelete.go
+++ b/ioctl/cmd/hdwallet/hdwalletdelete.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package hdwallet
 
diff --git a/ioctl/cmd/hdwallet/hdwalletderive.go b/ioctl/cmd/hdwallet/hdwalletderive.go
index 4c5b3a2211..12ed304bcf 100644
--- a/ioctl/cmd/hdwallet/hdwalletderive.go
+++ b/ioctl/cmd/hdwallet/hdwalletderive.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package hdwallet
 
diff --git a/ioctl/cmd/hdwallet/hdwalletexport.go b/ioctl/cmd/hdwallet/hdwalletexport.go
index d9d27518a5..f672a008b4 100644
--- a/ioctl/cmd/hdwallet/hdwalletexport.go
+++ b/ioctl/cmd/hdwallet/hdwalletexport.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package hdwallet
 
diff --git a/ioctl/cmd/hdwallet/hdwalletimport.go b/ioctl/cmd/hdwallet/hdwalletimport.go
index d6abeb024c..4cc727457f 100644
--- a/ioctl/cmd/hdwallet/hdwalletimport.go
+++ b/ioctl/cmd/hdwallet/hdwalletimport.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package hdwallet
 
diff --git a/ioctl/cmd/jwt/jwt.go b/ioctl/cmd/jwt/jwt.go
index 790d26ee12..96f19765c6 100644
--- a/ioctl/cmd/jwt/jwt.go
+++ b/ioctl/cmd/jwt/jwt.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package jwt
 
diff --git a/ioctl/cmd/jwt/jwtsign.go b/ioctl/cmd/jwt/jwtsign.go
index 195571b49c..8934f2c58c 100644
--- a/ioctl/cmd/jwt/jwtsign.go
+++ b/ioctl/cmd/jwt/jwtsign.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package jwt
 
diff --git a/ioctl/cmd/node/node.go b/ioctl/cmd/node/node.go
index 9654559cdc..5ad4b7280e 100644
--- a/ioctl/cmd/node/node.go
+++ b/ioctl/cmd/node/node.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package node
 
diff --git a/ioctl/cmd/node/nodedelegate.go b/ioctl/cmd/node/nodedelegate.go
index e9119c5b18..0bddd07a80 100644
--- a/ioctl/cmd/node/nodedelegate.go
+++ b/ioctl/cmd/node/nodedelegate.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package node
 
diff --git a/ioctl/cmd/node/nodeprobationlist.go b/ioctl/cmd/node/nodeprobationlist.go
index 60847cce9d..382523613b 100644
--- a/ioctl/cmd/node/nodeprobationlist.go
+++ b/ioctl/cmd/node/nodeprobationlist.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package node
 
diff --git a/ioctl/cmd/node/nodereward.go b/ioctl/cmd/node/nodereward.go
index a80d5ba89a..186d864d39 100644
--- a/ioctl/cmd/node/nodereward.go
+++ b/ioctl/cmd/node/nodereward.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package node
 
diff --git a/ioctl/cmd/root.go b/ioctl/cmd/root.go
index 979dac1477..e73dfe03b2 100644
--- a/ioctl/cmd/root.go
+++ b/ioctl/cmd/root.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package cmd
 
diff --git a/ioctl/cmd/update/update.go b/ioctl/cmd/update/update.go
index 985fcef706..b1c8df77fe 100644
--- a/ioctl/cmd/update/update.go
+++ b/ioctl/cmd/update/update.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package update
 
diff --git a/ioctl/cmd/version/version.go b/ioctl/cmd/version/version.go
index 4e411bd81a..0eecbc6a07 100644
--- a/ioctl/cmd/version/version.go
+++ b/ioctl/cmd/version/version.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package version
 
diff --git a/ioctl/config/config.go b/ioctl/config/config.go
index a16c0f8206..76f9ecdb99 100644
--- a/ioctl/config/config.go
+++ b/ioctl/config/config.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package config
 
diff --git a/ioctl/config/configsetget.go b/ioctl/config/configsetget.go
index 3ae20b2ad4..3663107243 100644
--- a/ioctl/config/configsetget.go
+++ b/ioctl/config/configsetget.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package config
 
diff --git a/ioctl/flag/flag.go b/ioctl/flag/flag.go
index 01610291e9..2be15bef56 100644
--- a/ioctl/flag/flag.go
+++ b/ioctl/flag/flag.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package flag
 
diff --git a/ioctl/newcmd/account/account.go b/ioctl/newcmd/account/account.go
index 2a8716dd40..e42db4973c 100644
--- a/ioctl/newcmd/account/account.go
+++ b/ioctl/newcmd/account/account.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package account
 
diff --git a/ioctl/newcmd/account/account_test.go b/ioctl/newcmd/account/account_test.go
index 5969736f4f..ecbc556a2b 100644
--- a/ioctl/newcmd/account/account_test.go
+++ b/ioctl/newcmd/account/account_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package account
 
diff --git a/ioctl/newcmd/account/accountactions.go b/ioctl/newcmd/account/accountactions.go
index 5f54bd139a..9e05feb243 100644
--- a/ioctl/newcmd/account/accountactions.go
+++ b/ioctl/newcmd/account/accountactions.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package account
 
diff --git a/ioctl/newcmd/account/accountactions_test.go b/ioctl/newcmd/account/accountactions_test.go
index 633e71bf4f..7df5cbfd19 100644
--- a/ioctl/newcmd/account/accountactions_test.go
+++ b/ioctl/newcmd/account/accountactions_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package account
 
diff --git a/ioctl/newcmd/account/accountbalance.go b/ioctl/newcmd/account/accountbalance.go
index f5935a3e5a..75516d1c5b 100644
--- a/ioctl/newcmd/account/accountbalance.go
+++ b/ioctl/newcmd/account/accountbalance.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package account
 
diff --git a/ioctl/newcmd/account/accountbalance_test.go b/ioctl/newcmd/account/accountbalance_test.go
index eda7be6bd0..cc75d3a012 100644
--- a/ioctl/newcmd/account/accountbalance_test.go
+++ b/ioctl/newcmd/account/accountbalance_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package account
 
diff --git a/ioctl/newcmd/account/accountcreate.go b/ioctl/newcmd/account/accountcreate.go
index 97ef3be0bd..c0f210431f 100644
--- a/ioctl/newcmd/account/accountcreate.go
+++ b/ioctl/newcmd/account/accountcreate.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package account
 
diff --git a/ioctl/newcmd/account/accountcreate_test.go b/ioctl/newcmd/account/accountcreate_test.go
index d985cf06b9..170694a8c5 100644
--- a/ioctl/newcmd/account/accountcreate_test.go
+++ b/ioctl/newcmd/account/accountcreate_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package account
 
diff --git a/ioctl/newcmd/account/accountcreateadd.go b/ioctl/newcmd/account/accountcreateadd.go
index 4737e16b33..ac74eb09f8 100644
--- a/ioctl/newcmd/account/accountcreateadd.go
+++ b/ioctl/newcmd/account/accountcreateadd.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package account
 
diff --git a/ioctl/newcmd/account/accountcreateadd_test.go b/ioctl/newcmd/account/accountcreateadd_test.go
index ab6be5f8be..df75846f08 100644
--- a/ioctl/newcmd/account/accountcreateadd_test.go
+++ b/ioctl/newcmd/account/accountcreateadd_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package account
 
diff --git a/ioctl/newcmd/account/accountdelete.go b/ioctl/newcmd/account/accountdelete.go
index f79cf11160..4cd349e13c 100644
--- a/ioctl/newcmd/account/accountdelete.go
+++ b/ioctl/newcmd/account/accountdelete.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package account
 
diff --git a/ioctl/newcmd/account/accountdelete_test.go b/ioctl/newcmd/account/accountdelete_test.go
index 923a3ababa..d2a67e422e 100644
--- a/ioctl/newcmd/account/accountdelete_test.go
+++ b/ioctl/newcmd/account/accountdelete_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package account
 
diff --git a/ioctl/newcmd/account/accountethaddr.go b/ioctl/newcmd/account/accountethaddr.go
index 15974349ab..b178a96725 100644
--- a/ioctl/newcmd/account/accountethaddr.go
+++ b/ioctl/newcmd/account/accountethaddr.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package account
 
diff --git a/ioctl/newcmd/account/accountethaddr_test.go b/ioctl/newcmd/account/accountethaddr_test.go
index 599885032d..26eda2d980 100644
--- a/ioctl/newcmd/account/accountethaddr_test.go
+++ b/ioctl/newcmd/account/accountethaddr_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package account
 
diff --git a/ioctl/newcmd/account/accountexport.go b/ioctl/newcmd/account/accountexport.go
index 4743951df0..3bac961187 100644
--- a/ioctl/newcmd/account/accountexport.go
+++ b/ioctl/newcmd/account/accountexport.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package account
 
diff --git a/ioctl/newcmd/account/accountexport_test.go b/ioctl/newcmd/account/accountexport_test.go
index c2713e9d87..c830caacad 100644
--- a/ioctl/newcmd/account/accountexport_test.go
+++ b/ioctl/newcmd/account/accountexport_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package account
 
diff --git a/ioctl/newcmd/account/accountexportpublic.go b/ioctl/newcmd/account/accountexportpublic.go
index 1afc7baac9..c69d539994 100644
--- a/ioctl/newcmd/account/accountexportpublic.go
+++ b/ioctl/newcmd/account/accountexportpublic.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package account
 
diff --git a/ioctl/newcmd/account/accountexportpublic_test.go b/ioctl/newcmd/account/accountexportpublic_test.go
index 69f0bff492..73929e5aaf 100644
--- a/ioctl/newcmd/account/accountexportpublic_test.go
+++ b/ioctl/newcmd/account/accountexportpublic_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package account
 
diff --git a/ioctl/newcmd/account/accountimport.go b/ioctl/newcmd/account/accountimport.go
index 8d7a6745fd..1fbeff4295 100644
--- a/ioctl/newcmd/account/accountimport.go
+++ b/ioctl/newcmd/account/accountimport.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package account
 
diff --git a/ioctl/newcmd/account/accountimport_test.go b/ioctl/newcmd/account/accountimport_test.go
index 30dfcaf967..abfa0a06b8 100644
--- a/ioctl/newcmd/account/accountimport_test.go
+++ b/ioctl/newcmd/account/accountimport_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package account
 
diff --git a/ioctl/newcmd/account/accountinfo.go b/ioctl/newcmd/account/accountinfo.go
index 5c37dfb0ab..dae5f3764e 100644
--- a/ioctl/newcmd/account/accountinfo.go
+++ b/ioctl/newcmd/account/accountinfo.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package account
 
diff --git a/ioctl/newcmd/account/accountinfo_test.go b/ioctl/newcmd/account/accountinfo_test.go
index 7e955de641..fc3fea3ca6 100644
--- a/ioctl/newcmd/account/accountinfo_test.go
+++ b/ioctl/newcmd/account/accountinfo_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package account
 
diff --git a/ioctl/newcmd/account/accountlist.go b/ioctl/newcmd/account/accountlist.go
index baa43f51a4..29ca941e85 100644
--- a/ioctl/newcmd/account/accountlist.go
+++ b/ioctl/newcmd/account/accountlist.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package account
 
diff --git a/ioctl/newcmd/account/accountlist_test.go b/ioctl/newcmd/account/accountlist_test.go
index 1794a486aa..063b670637 100644
--- a/ioctl/newcmd/account/accountlist_test.go
+++ b/ioctl/newcmd/account/accountlist_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package account
 
diff --git a/ioctl/newcmd/account/accountnonce.go b/ioctl/newcmd/account/accountnonce.go
index 8860cb408e..4d0ee0f6d6 100644
--- a/ioctl/newcmd/account/accountnonce.go
+++ b/ioctl/newcmd/account/accountnonce.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package account
 
diff --git a/ioctl/newcmd/account/accountnonce_test.go b/ioctl/newcmd/account/accountnonce_test.go
index 0fe78a11e9..68b2c24a1d 100644
--- a/ioctl/newcmd/account/accountnonce_test.go
+++ b/ioctl/newcmd/account/accountnonce_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package account
 
diff --git a/ioctl/newcmd/account/accountsign.go b/ioctl/newcmd/account/accountsign.go
index 4aa4a821b1..c88cf465cc 100644
--- a/ioctl/newcmd/account/accountsign.go
+++ b/ioctl/newcmd/account/accountsign.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package account
 
diff --git a/ioctl/newcmd/account/accountsign_test.go b/ioctl/newcmd/account/accountsign_test.go
index 0c3d6fb66a..38a6bf3884 100644
--- a/ioctl/newcmd/account/accountsign_test.go
+++ b/ioctl/newcmd/account/accountsign_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package account
 
diff --git a/ioctl/newcmd/account/accountupdate.go b/ioctl/newcmd/account/accountupdate.go
index 7f6c88f6ca..dc68dbb699 100644
--- a/ioctl/newcmd/account/accountupdate.go
+++ b/ioctl/newcmd/account/accountupdate.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package account
 
diff --git a/ioctl/newcmd/account/accountupdate_test.go b/ioctl/newcmd/account/accountupdate_test.go
index 75e4eb04ab..9f00422b67 100644
--- a/ioctl/newcmd/account/accountupdate_test.go
+++ b/ioctl/newcmd/account/accountupdate_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package account
 
diff --git a/ioctl/newcmd/account/accountverify.go b/ioctl/newcmd/account/accountverify.go
index d611a89dc5..813e9dcff9 100644
--- a/ioctl/newcmd/account/accountverify.go
+++ b/ioctl/newcmd/account/accountverify.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package account
 
diff --git a/ioctl/newcmd/account/accountverify_test.go b/ioctl/newcmd/account/accountverify_test.go
index 0d0b5dcb9b..f0bf0c2fb4 100644
--- a/ioctl/newcmd/account/accountverify_test.go
+++ b/ioctl/newcmd/account/accountverify_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package account
 
diff --git a/ioctl/newcmd/action/action.go b/ioctl/newcmd/action/action.go
index 09880100e1..00dd2b6b60 100644
--- a/ioctl/newcmd/action/action.go
+++ b/ioctl/newcmd/action/action.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package action
 
diff --git a/ioctl/newcmd/action/action_test.go b/ioctl/newcmd/action/action_test.go
index de17aba9f9..0621aee7a1 100644
--- a/ioctl/newcmd/action/action_test.go
+++ b/ioctl/newcmd/action/action_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package action
 
diff --git a/ioctl/newcmd/action/actionclaim.go b/ioctl/newcmd/action/actionclaim.go
index c9559de29a..4076258e00 100644
--- a/ioctl/newcmd/action/actionclaim.go
+++ b/ioctl/newcmd/action/actionclaim.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package action
 
diff --git a/ioctl/newcmd/action/actionclaim_test.go b/ioctl/newcmd/action/actionclaim_test.go
index f54c12c903..7f51a3facc 100644
--- a/ioctl/newcmd/action/actionclaim_test.go
+++ b/ioctl/newcmd/action/actionclaim_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package action
 
diff --git a/ioctl/newcmd/action/actiondeposit.go b/ioctl/newcmd/action/actiondeposit.go
index 32333d68c8..9ac0d435d0 100644
--- a/ioctl/newcmd/action/actiondeposit.go
+++ b/ioctl/newcmd/action/actiondeposit.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package action
 
diff --git a/ioctl/newcmd/action/actiondeposit_test.go b/ioctl/newcmd/action/actiondeposit_test.go
index 7971309df8..3fff2bf010 100644
--- a/ioctl/newcmd/action/actiondeposit_test.go
+++ b/ioctl/newcmd/action/actiondeposit_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package action
 
diff --git a/ioctl/newcmd/action/actionhash.go b/ioctl/newcmd/action/actionhash.go
index 46ed90ca4c..d38844c910 100644
--- a/ioctl/newcmd/action/actionhash.go
+++ b/ioctl/newcmd/action/actionhash.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package action
 
diff --git a/ioctl/newcmd/action/actionhash_test.go b/ioctl/newcmd/action/actionhash_test.go
index 984c5a68a2..2bd3277055 100644
--- a/ioctl/newcmd/action/actionhash_test.go
+++ b/ioctl/newcmd/action/actionhash_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 package action
 
 import (
diff --git a/ioctl/newcmd/action/actionread.go b/ioctl/newcmd/action/actionread.go
index 28995ca314..f6dae41d15 100644
--- a/ioctl/newcmd/action/actionread.go
+++ b/ioctl/newcmd/action/actionread.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package action
 
diff --git a/ioctl/newcmd/action/actionread_test.go b/ioctl/newcmd/action/actionread_test.go
index 6916681aae..4d3d40acf6 100644
--- a/ioctl/newcmd/action/actionread_test.go
+++ b/ioctl/newcmd/action/actionread_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package action
 
diff --git a/ioctl/newcmd/action/actionsendraw.go b/ioctl/newcmd/action/actionsendraw.go
index 026bd8cfee..d7c969a3b2 100644
--- a/ioctl/newcmd/action/actionsendraw.go
+++ b/ioctl/newcmd/action/actionsendraw.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package action
 
diff --git a/ioctl/newcmd/action/actionsendraw_test.go b/ioctl/newcmd/action/actionsendraw_test.go
index 004ef13f6f..97641f4a54 100644
--- a/ioctl/newcmd/action/actionsendraw_test.go
+++ b/ioctl/newcmd/action/actionsendraw_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package action
 
diff --git a/ioctl/newcmd/action/actiontransfer.go b/ioctl/newcmd/action/actiontransfer.go
index b9673fecff..de9258eacd 100644
--- a/ioctl/newcmd/action/actiontransfer.go
+++ b/ioctl/newcmd/action/actiontransfer.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package action
 
diff --git a/ioctl/newcmd/action/actiontransfer_test.go b/ioctl/newcmd/action/actiontransfer_test.go
index ce2bb1632b..f6d317e111 100644
--- a/ioctl/newcmd/action/actiontransfer_test.go
+++ b/ioctl/newcmd/action/actiontransfer_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 package action
 
 import (
diff --git a/ioctl/newcmd/action/stake2withdraw.go b/ioctl/newcmd/action/stake2withdraw.go
index c12381e657..9a7ab42b7e 100644
--- a/ioctl/newcmd/action/stake2withdraw.go
+++ b/ioctl/newcmd/action/stake2withdraw.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package action
 
diff --git a/ioctl/newcmd/action/stake2withdraw_test.go b/ioctl/newcmd/action/stake2withdraw_test.go
index 7e9cb95a08..e9ce44c61b 100644
--- a/ioctl/newcmd/action/stake2withdraw_test.go
+++ b/ioctl/newcmd/action/stake2withdraw_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package action
 
diff --git a/ioctl/newcmd/action/xrc20.go b/ioctl/newcmd/action/xrc20.go
index cf8c729d30..804f06a2f7 100644
--- a/ioctl/newcmd/action/xrc20.go
+++ b/ioctl/newcmd/action/xrc20.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package action
 
diff --git a/ioctl/newcmd/action/xrc20_const.go b/ioctl/newcmd/action/xrc20_const.go
index d98d004701..d51cbf43ab 100644
--- a/ioctl/newcmd/action/xrc20_const.go
+++ b/ioctl/newcmd/action/xrc20_const.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package action
 
diff --git a/ioctl/newcmd/action/xrc20transferfrom.go b/ioctl/newcmd/action/xrc20transferfrom.go
index 37159c70a4..a6fd203a99 100644
--- a/ioctl/newcmd/action/xrc20transferfrom.go
+++ b/ioctl/newcmd/action/xrc20transferfrom.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package action
 
diff --git a/ioctl/newcmd/alias/alias.go b/ioctl/newcmd/alias/alias.go
index 1ddef04126..4ae271dd2c 100644
--- a/ioctl/newcmd/alias/alias.go
+++ b/ioctl/newcmd/alias/alias.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package alias
 
diff --git a/ioctl/newcmd/alias/aliasexport.go b/ioctl/newcmd/alias/aliasexport.go
index c1a4c77781..1bd05133f8 100644
--- a/ioctl/newcmd/alias/aliasexport.go
+++ b/ioctl/newcmd/alias/aliasexport.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package alias
 
diff --git a/ioctl/newcmd/alias/aliasexport_test.go b/ioctl/newcmd/alias/aliasexport_test.go
index 6bad7b7824..bad27ed718 100644
--- a/ioctl/newcmd/alias/aliasexport_test.go
+++ b/ioctl/newcmd/alias/aliasexport_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package alias
 
diff --git a/ioctl/newcmd/alias/aliasimport.go b/ioctl/newcmd/alias/aliasimport.go
index 87d1723e8b..e5dd419dfe 100644
--- a/ioctl/newcmd/alias/aliasimport.go
+++ b/ioctl/newcmd/alias/aliasimport.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package alias
 
diff --git a/ioctl/newcmd/alias/aliasimport_test.go b/ioctl/newcmd/alias/aliasimport_test.go
index 4853219784..8da6d9e9b0 100644
--- a/ioctl/newcmd/alias/aliasimport_test.go
+++ b/ioctl/newcmd/alias/aliasimport_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 package alias
 
 import (
diff --git a/ioctl/newcmd/alias/aliaslist.go b/ioctl/newcmd/alias/aliaslist.go
index e8c4ba5932..890c5fc1d4 100644
--- a/ioctl/newcmd/alias/aliaslist.go
+++ b/ioctl/newcmd/alias/aliaslist.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package alias
 
diff --git a/ioctl/newcmd/alias/aliaslist_test.go b/ioctl/newcmd/alias/aliaslist_test.go
index 6b4dab5f0f..1c053833ff 100644
--- a/ioctl/newcmd/alias/aliaslist_test.go
+++ b/ioctl/newcmd/alias/aliaslist_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 package alias
 
 import (
diff --git a/ioctl/newcmd/alias/aliasremove.go b/ioctl/newcmd/alias/aliasremove.go
index 2d64e81fc6..6051a86eda 100644
--- a/ioctl/newcmd/alias/aliasremove.go
+++ b/ioctl/newcmd/alias/aliasremove.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package alias
 
diff --git a/ioctl/newcmd/alias/aliasremove_test.go b/ioctl/newcmd/alias/aliasremove_test.go
index bed97ccb6d..6685b1a1f0 100644
--- a/ioctl/newcmd/alias/aliasremove_test.go
+++ b/ioctl/newcmd/alias/aliasremove_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 package alias
 
 import (
diff --git a/ioctl/newcmd/alias/aliasset.go b/ioctl/newcmd/alias/aliasset.go
index 6951963b2e..1e6fe29af8 100644
--- a/ioctl/newcmd/alias/aliasset.go
+++ b/ioctl/newcmd/alias/aliasset.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package alias
 
diff --git a/ioctl/newcmd/alias/aliasset_test.go b/ioctl/newcmd/alias/aliasset_test.go
index b40480ea32..3f9ed2bcc4 100644
--- a/ioctl/newcmd/alias/aliasset_test.go
+++ b/ioctl/newcmd/alias/aliasset_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package alias
 
diff --git a/ioctl/newcmd/bc/bc.go b/ioctl/newcmd/bc/bc.go
index f0dcda456d..e36922af66 100644
--- a/ioctl/newcmd/bc/bc.go
+++ b/ioctl/newcmd/bc/bc.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package bc
 
diff --git a/ioctl/newcmd/bc/bc_test.go b/ioctl/newcmd/bc/bc_test.go
index 54768eadd2..bfdf2e677e 100644
--- a/ioctl/newcmd/bc/bc_test.go
+++ b/ioctl/newcmd/bc/bc_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package bc
 
diff --git a/ioctl/newcmd/bc/bcblock.go b/ioctl/newcmd/bc/bcblock.go
index 00df500b1d..c26f27057c 100644
--- a/ioctl/newcmd/bc/bcblock.go
+++ b/ioctl/newcmd/bc/bcblock.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package bc
 
diff --git a/ioctl/newcmd/bc/bcblock_test.go b/ioctl/newcmd/bc/bcblock_test.go
index a53884de7c..047b5619bf 100644
--- a/ioctl/newcmd/bc/bcblock_test.go
+++ b/ioctl/newcmd/bc/bcblock_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package bc
 
diff --git a/ioctl/newcmd/bc/bcbucket.go b/ioctl/newcmd/bc/bcbucket.go
index 858a445f63..39facd15be 100644
--- a/ioctl/newcmd/bc/bcbucket.go
+++ b/ioctl/newcmd/bc/bcbucket.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package bc
 
diff --git a/ioctl/newcmd/bc/bcbucket_test.go b/ioctl/newcmd/bc/bcbucket_test.go
index fb7617edff..fa8f1ad31b 100644
--- a/ioctl/newcmd/bc/bcbucket_test.go
+++ b/ioctl/newcmd/bc/bcbucket_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package bc
 
diff --git a/ioctl/newcmd/bc/bcbucketlist.go b/ioctl/newcmd/bc/bcbucketlist.go
index 1b4fcaaadc..b054abb536 100644
--- a/ioctl/newcmd/bc/bcbucketlist.go
+++ b/ioctl/newcmd/bc/bcbucketlist.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package bc
 
diff --git a/ioctl/newcmd/bc/bcbucketlist_test.go b/ioctl/newcmd/bc/bcbucketlist_test.go
index facec37302..bf50fe5132 100644
--- a/ioctl/newcmd/bc/bcbucketlist_test.go
+++ b/ioctl/newcmd/bc/bcbucketlist_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package bc
 
diff --git a/ioctl/newcmd/bc/bcinfo.go b/ioctl/newcmd/bc/bcinfo.go
index fd98abbcd5..b01542871e 100644
--- a/ioctl/newcmd/bc/bcinfo.go
+++ b/ioctl/newcmd/bc/bcinfo.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package bc
 
diff --git a/ioctl/newcmd/bc/bcinfo_test.go b/ioctl/newcmd/bc/bcinfo_test.go
index d28aaef387..d6a170a993 100644
--- a/ioctl/newcmd/bc/bcinfo_test.go
+++ b/ioctl/newcmd/bc/bcinfo_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package bc
 
diff --git a/ioctl/newcmd/config/config.go b/ioctl/newcmd/config/config.go
index 097530f9ab..6e694a51ab 100644
--- a/ioctl/newcmd/config/config.go
+++ b/ioctl/newcmd/config/config.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package config
 
diff --git a/ioctl/newcmd/config/config_get.go b/ioctl/newcmd/config/config_get.go
index 9182947200..180e4b31a0 100644
--- a/ioctl/newcmd/config/config_get.go
+++ b/ioctl/newcmd/config/config_get.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package config
 
diff --git a/ioctl/newcmd/config/config_reset.go b/ioctl/newcmd/config/config_reset.go
index 37297db2f9..8189e725b5 100644
--- a/ioctl/newcmd/config/config_reset.go
+++ b/ioctl/newcmd/config/config_reset.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package config
 
diff --git a/ioctl/newcmd/config/config_set.go b/ioctl/newcmd/config/config_set.go
index 9201623b91..c214034930 100644
--- a/ioctl/newcmd/config/config_set.go
+++ b/ioctl/newcmd/config/config_set.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package config
 
diff --git a/ioctl/newcmd/config/config_test.go b/ioctl/newcmd/config/config_test.go
index 1100639cf4..b9d0619dc2 100644
--- a/ioctl/newcmd/config/config_test.go
+++ b/ioctl/newcmd/config/config_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package config
 
diff --git a/ioctl/newcmd/did/did.go b/ioctl/newcmd/did/did.go
index 683845e131..8f8b040ab4 100644
--- a/ioctl/newcmd/did/did.go
+++ b/ioctl/newcmd/did/did.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package did
 
diff --git a/ioctl/newcmd/did/did_test.go b/ioctl/newcmd/did/did_test.go
index 567a7afca4..9f670fae85 100644
--- a/ioctl/newcmd/did/did_test.go
+++ b/ioctl/newcmd/did/did_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package did
 
diff --git a/ioctl/newcmd/did/didderegister.go b/ioctl/newcmd/did/didderegister.go
index 58fd4711c6..9767dc2473 100644
--- a/ioctl/newcmd/did/didderegister.go
+++ b/ioctl/newcmd/did/didderegister.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package did
 
diff --git a/ioctl/newcmd/did/didderegister_test.go b/ioctl/newcmd/did/didderegister_test.go
index e6884520ae..f23d614a76 100644
--- a/ioctl/newcmd/did/didderegister_test.go
+++ b/ioctl/newcmd/did/didderegister_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package did
 
diff --git a/ioctl/newcmd/did/diddoc.go b/ioctl/newcmd/did/diddoc.go
index a30da729cd..197a24ac91 100644
--- a/ioctl/newcmd/did/diddoc.go
+++ b/ioctl/newcmd/did/diddoc.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package did
 
diff --git a/ioctl/newcmd/did/didgenerate.go b/ioctl/newcmd/did/didgenerate.go
index 66f8401c0a..3e199f93c4 100644
--- a/ioctl/newcmd/did/didgenerate.go
+++ b/ioctl/newcmd/did/didgenerate.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package did
 
diff --git a/ioctl/newcmd/did/didgenerate_test.go b/ioctl/newcmd/did/didgenerate_test.go
index 911d66c43a..1aa981ec04 100644
--- a/ioctl/newcmd/did/didgenerate_test.go
+++ b/ioctl/newcmd/did/didgenerate_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package did
 
diff --git a/ioctl/newcmd/did/didgethash.go b/ioctl/newcmd/did/didgethash.go
index 398de4aa73..cba1e5cd4e 100644
--- a/ioctl/newcmd/did/didgethash.go
+++ b/ioctl/newcmd/did/didgethash.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package did
 
diff --git a/ioctl/newcmd/did/didgethash_test.go b/ioctl/newcmd/did/didgethash_test.go
index 35163c92dc..b933aad6ee 100644
--- a/ioctl/newcmd/did/didgethash_test.go
+++ b/ioctl/newcmd/did/didgethash_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package did
 
diff --git a/ioctl/newcmd/did/didgeturi.go b/ioctl/newcmd/did/didgeturi.go
index a4b12cd346..a06942e5dc 100644
--- a/ioctl/newcmd/did/didgeturi.go
+++ b/ioctl/newcmd/did/didgeturi.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package did
 
diff --git a/ioctl/newcmd/did/didgeturi_test.go b/ioctl/newcmd/did/didgeturi_test.go
index 1847efe1df..c6465b4f43 100644
--- a/ioctl/newcmd/did/didgeturi_test.go
+++ b/ioctl/newcmd/did/didgeturi_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package did
 
diff --git a/ioctl/newcmd/did/didregister.go b/ioctl/newcmd/did/didregister.go
index e004c72c81..2819d84b17 100644
--- a/ioctl/newcmd/did/didregister.go
+++ b/ioctl/newcmd/did/didregister.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package did
 
diff --git a/ioctl/newcmd/did/didregister_test.go b/ioctl/newcmd/did/didregister_test.go
index 595f7886a9..06b02d45c2 100644
--- a/ioctl/newcmd/did/didregister_test.go
+++ b/ioctl/newcmd/did/didregister_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package did
 
diff --git a/ioctl/newcmd/did/didupdate.go b/ioctl/newcmd/did/didupdate.go
index 9828f3322c..846d178ca7 100644
--- a/ioctl/newcmd/did/didupdate.go
+++ b/ioctl/newcmd/did/didupdate.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package did
 
diff --git a/ioctl/newcmd/did/didupdate_test.go b/ioctl/newcmd/did/didupdate_test.go
index 6bdaccf53c..076236a428 100644
--- a/ioctl/newcmd/did/didupdate_test.go
+++ b/ioctl/newcmd/did/didupdate_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package did
 
diff --git a/ioctl/newcmd/hdwallet/hdwallet.go b/ioctl/newcmd/hdwallet/hdwallet.go
index 21c35f5d74..2d1f0dcd8f 100644
--- a/ioctl/newcmd/hdwallet/hdwallet.go
+++ b/ioctl/newcmd/hdwallet/hdwallet.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package hdwallet
 
diff --git a/ioctl/newcmd/hdwallet/hdwallet_test.go b/ioctl/newcmd/hdwallet/hdwallet_test.go
index c5fd18b24a..a9a41b3b5c 100644
--- a/ioctl/newcmd/hdwallet/hdwallet_test.go
+++ b/ioctl/newcmd/hdwallet/hdwallet_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2020 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package hdwallet
 
diff --git a/ioctl/newcmd/hdwallet/hdwalletcreate.go b/ioctl/newcmd/hdwallet/hdwalletcreate.go
index 7c214c860a..44a86e38ef 100644
--- a/ioctl/newcmd/hdwallet/hdwalletcreate.go
+++ b/ioctl/newcmd/hdwallet/hdwalletcreate.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package hdwallet
 
diff --git a/ioctl/newcmd/hdwallet/hdwalletcreate_test.go b/ioctl/newcmd/hdwallet/hdwalletcreate_test.go
index 0647ed2719..f8bb066076 100644
--- a/ioctl/newcmd/hdwallet/hdwalletcreate_test.go
+++ b/ioctl/newcmd/hdwallet/hdwalletcreate_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package hdwallet
 
diff --git a/ioctl/newcmd/hdwallet/hdwalletdelete.go b/ioctl/newcmd/hdwallet/hdwalletdelete.go
index 0b5c659673..fafed6920f 100644
--- a/ioctl/newcmd/hdwallet/hdwalletdelete.go
+++ b/ioctl/newcmd/hdwallet/hdwalletdelete.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package hdwallet
 
diff --git a/ioctl/newcmd/hdwallet/hdwalletdelete_test.go b/ioctl/newcmd/hdwallet/hdwalletdelete_test.go
index b0df5819af..4fc6cfe5da 100644
--- a/ioctl/newcmd/hdwallet/hdwalletdelete_test.go
+++ b/ioctl/newcmd/hdwallet/hdwalletdelete_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package hdwallet
 
diff --git a/ioctl/newcmd/hdwallet/hdwalletderive.go b/ioctl/newcmd/hdwallet/hdwalletderive.go
index f36ba8ab08..64cfc18114 100644
--- a/ioctl/newcmd/hdwallet/hdwalletderive.go
+++ b/ioctl/newcmd/hdwallet/hdwalletderive.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package hdwallet
 
diff --git a/ioctl/newcmd/hdwallet/hdwalletderive_test.go b/ioctl/newcmd/hdwallet/hdwalletderive_test.go
index 40828b53f1..eb49c68857 100644
--- a/ioctl/newcmd/hdwallet/hdwalletderive_test.go
+++ b/ioctl/newcmd/hdwallet/hdwalletderive_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package hdwallet
 
diff --git a/ioctl/newcmd/hdwallet/hdwalletexport.go b/ioctl/newcmd/hdwallet/hdwalletexport.go
index 2e6d1e18e0..79d1b2e9b3 100644
--- a/ioctl/newcmd/hdwallet/hdwalletexport.go
+++ b/ioctl/newcmd/hdwallet/hdwalletexport.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package hdwallet
 
diff --git a/ioctl/newcmd/hdwallet/hdwalletexport_test.go b/ioctl/newcmd/hdwallet/hdwalletexport_test.go
index 95d421b316..aca93cfff7 100644
--- a/ioctl/newcmd/hdwallet/hdwalletexport_test.go
+++ b/ioctl/newcmd/hdwallet/hdwalletexport_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package hdwallet
 
diff --git a/ioctl/newcmd/hdwallet/hdwalletimport.go b/ioctl/newcmd/hdwallet/hdwalletimport.go
index 7d2e52e1d0..fc157980be 100644
--- a/ioctl/newcmd/hdwallet/hdwalletimport.go
+++ b/ioctl/newcmd/hdwallet/hdwalletimport.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package hdwallet
 
diff --git a/ioctl/newcmd/hdwallet/hdwalletimport_test.go b/ioctl/newcmd/hdwallet/hdwalletimport_test.go
index e6beeb1605..36e3b911ec 100644
--- a/ioctl/newcmd/hdwallet/hdwalletimport_test.go
+++ b/ioctl/newcmd/hdwallet/hdwalletimport_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package hdwallet
 
diff --git a/ioctl/newcmd/jwt/jwt.go b/ioctl/newcmd/jwt/jwt.go
index f58b46ab13..66b4667fbd 100644
--- a/ioctl/newcmd/jwt/jwt.go
+++ b/ioctl/newcmd/jwt/jwt.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package jwt
 
diff --git a/ioctl/newcmd/jwt/jwtsign.go b/ioctl/newcmd/jwt/jwtsign.go
index 0c49f53337..235f1d7c0a 100644
--- a/ioctl/newcmd/jwt/jwtsign.go
+++ b/ioctl/newcmd/jwt/jwtsign.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package jwt
 
diff --git a/ioctl/newcmd/node/nodedelegate.go b/ioctl/newcmd/node/nodedelegate.go
index 471e1fd2e6..68473452a8 100644
--- a/ioctl/newcmd/node/nodedelegate.go
+++ b/ioctl/newcmd/node/nodedelegate.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package node
 
diff --git a/ioctl/newcmd/node/nodedelegate_test.go b/ioctl/newcmd/node/nodedelegate_test.go
index c4ae78d9ff..5fc7c847a8 100644
--- a/ioctl/newcmd/node/nodedelegate_test.go
+++ b/ioctl/newcmd/node/nodedelegate_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 package node
 
 import (
diff --git a/ioctl/newcmd/node/nodeprobationlist.go b/ioctl/newcmd/node/nodeprobationlist.go
index 3119a30a35..82cf64a3df 100644
--- a/ioctl/newcmd/node/nodeprobationlist.go
+++ b/ioctl/newcmd/node/nodeprobationlist.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package node
 
diff --git a/ioctl/newcmd/node/nodeprobationlist_test.go b/ioctl/newcmd/node/nodeprobationlist_test.go
index ed5cb19200..38a95dd087 100644
--- a/ioctl/newcmd/node/nodeprobationlist_test.go
+++ b/ioctl/newcmd/node/nodeprobationlist_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package node
 
diff --git a/ioctl/newcmd/node/nodereward.go b/ioctl/newcmd/node/nodereward.go
index 3ab44fc421..e16617b067 100644
--- a/ioctl/newcmd/node/nodereward.go
+++ b/ioctl/newcmd/node/nodereward.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package node
 
diff --git a/ioctl/newcmd/node/nodereward_test.go b/ioctl/newcmd/node/nodereward_test.go
index eed0d3c6b0..9d7d92600b 100644
--- a/ioctl/newcmd/node/nodereward_test.go
+++ b/ioctl/newcmd/node/nodereward_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package node
 
diff --git a/ioctl/newcmd/root.go b/ioctl/newcmd/root.go
index 021080c2db..0e08945da5 100644
--- a/ioctl/newcmd/root.go
+++ b/ioctl/newcmd/root.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package newcmd
 
diff --git a/ioctl/newcmd/root_test.go b/ioctl/newcmd/root_test.go
index 0578f634ac..bdaf7ee2f7 100644
--- a/ioctl/newcmd/root_test.go
+++ b/ioctl/newcmd/root_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package newcmd
 
diff --git a/ioctl/newcmd/update/update.go b/ioctl/newcmd/update/update.go
index b20767b2a9..d108720283 100644
--- a/ioctl/newcmd/update/update.go
+++ b/ioctl/newcmd/update/update.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package update
 
diff --git a/ioctl/newcmd/update/update_test.go b/ioctl/newcmd/update/update_test.go
index ed5dc4ecc1..69496cb852 100644
--- a/ioctl/newcmd/update/update_test.go
+++ b/ioctl/newcmd/update/update_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package update
 
diff --git a/ioctl/newcmd/version/version.go b/ioctl/newcmd/version/version.go
index 0743125d48..1ee55245a2 100644
--- a/ioctl/newcmd/version/version.go
+++ b/ioctl/newcmd/version/version.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package version
 
diff --git a/ioctl/newcmd/version/version_test.go b/ioctl/newcmd/version/version_test.go
index be6e2c2707..96f4347655 100644
--- a/ioctl/newcmd/version/version_test.go
+++ b/ioctl/newcmd/version/version_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package version
 
diff --git a/ioctl/output/format.go b/ioctl/output/format.go
index 0e3379852d..9244518af5 100644
--- a/ioctl/output/format.go
+++ b/ioctl/output/format.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package output
 
diff --git a/ioctl/util/compiler_contract.go b/ioctl/util/compiler_contract.go
index 3029cdbde0..c79cb29771 100644
--- a/ioctl/util/compiler_contract.go
+++ b/ioctl/util/compiler_contract.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package util
 
diff --git a/ioctl/util/compiler_contract_test.go b/ioctl/util/compiler_contract_test.go
index 51bfc8be1c..3297e5ef7d 100644
--- a/ioctl/util/compiler_contract_test.go
+++ b/ioctl/util/compiler_contract_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package util
 
diff --git a/ioctl/util/crypt.go b/ioctl/util/crypt.go
index f0fe8be577..16e80c813b 100644
--- a/ioctl/util/crypt.go
+++ b/ioctl/util/crypt.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package util
 
diff --git a/ioctl/util/crypt_test.go b/ioctl/util/crypt_test.go
index 0ba4370192..58319b7579 100644
--- a/ioctl/util/crypt_test.go
+++ b/ioctl/util/crypt_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package util
 
diff --git a/ioctl/util/util.go b/ioctl/util/util.go
index f34b219c92..744f20fc42 100644
--- a/ioctl/util/util.go
+++ b/ioctl/util/util.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package util
 
diff --git a/ioctl/util/util_test.go b/ioctl/util/util_test.go
index be52b60a3c..4f679b9835 100644
--- a/ioctl/util/util_test.go
+++ b/ioctl/util/util_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package util
 
diff --git a/ioctl/validator/validator.go b/ioctl/validator/validator.go
index 631ae225dc..1f34acbb27 100644
--- a/ioctl/validator/validator.go
+++ b/ioctl/validator/validator.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package validator
 
diff --git a/misc/scripts/license_header.txt b/misc/scripts/license_header.txt
index c44663ddb5..88bc399c2d 100644
--- a/misc/scripts/license_header.txt
+++ b/misc/scripts/license_header.txt
@@ -1,6 +1,5 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
diff --git a/p2p/agent.go b/p2p/agent.go
index e148530dfa..2b60d48f2e 100644
--- a/p2p/agent.go
+++ b/p2p/agent.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package p2p
 
diff --git a/p2p/agent_test.go b/p2p/agent_test.go
index 941a12c54a..3ba93b8c35 100644
--- a/p2p/agent_test.go
+++ b/p2p/agent_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package p2p
 
diff --git a/p2p/node/node.go b/p2p/node/node.go
index a939e1e3f5..d145a5dd9d 100644
--- a/p2p/node/node.go
+++ b/p2p/node/node.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2018 IoTeX
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package node
 
diff --git a/p2p/qos.go b/p2p/qos.go
index 8848a1ca0d..90c2ee0f12 100644
--- a/p2p/qos.go
+++ b/p2p/qos.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2021 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package p2p
 
diff --git a/p2p/qos_test.go b/p2p/qos_test.go
index 7485c54e9c..d75df04dc1 100644
--- a/p2p/qos_test.go
+++ b/p2p/qos_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2021 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package p2p
 
diff --git a/pkg/compress/compress.go b/pkg/compress/compress.go
index bdebd2d1a0..1530971c8d 100644
--- a/pkg/compress/compress.go
+++ b/pkg/compress/compress.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package compress
 
diff --git a/pkg/compress/compress_test.go b/pkg/compress/compress_test.go
index 7fb0bd300b..2ec1136bde 100644
--- a/pkg/compress/compress_test.go
+++ b/pkg/compress/compress_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package compress
 
diff --git a/pkg/counter/counter.go b/pkg/counter/counter.go
index 2078919476..bada26be64 100644
--- a/pkg/counter/counter.go
+++ b/pkg/counter/counter.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2018 IoTeX
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package counter
 
diff --git a/pkg/counter/counter_test.go b/pkg/counter/counter_test.go
index 3ad2c10d1a..96f74b3c19 100644
--- a/pkg/counter/counter_test.go
+++ b/pkg/counter/counter_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2018 IoTeX
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package counter
 
diff --git a/pkg/enc/enc.go b/pkg/enc/enc.go
index 5d6c4ae9e3..b3b979bb9d 100644
--- a/pkg/enc/enc.go
+++ b/pkg/enc/enc.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2018 IoTeX
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package enc
 
diff --git a/pkg/fastrand/fastrand.go b/pkg/fastrand/fastrand.go
index ccf4aa1b93..419356937c 100644
--- a/pkg/fastrand/fastrand.go
+++ b/pkg/fastrand/fastrand.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package fastrand
 
diff --git a/pkg/fastrand/fastrand_test.go b/pkg/fastrand/fastrand_test.go
index 37756b0403..e07c763aa9 100644
--- a/pkg/fastrand/fastrand_test.go
+++ b/pkg/fastrand/fastrand_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package fastrand
 
diff --git a/pkg/ha/ha.go b/pkg/ha/ha.go
index 3adb8704db..e1c5326a4a 100644
--- a/pkg/ha/ha.go
+++ b/pkg/ha/ha.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package ha
 
diff --git a/pkg/lifecycle/lifecycle.go b/pkg/lifecycle/lifecycle.go
index 980da4b747..9db1350cd9 100644
--- a/pkg/lifecycle/lifecycle.go
+++ b/pkg/lifecycle/lifecycle.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2018 IoTeX
-// This is an alpha (internal) release and is not suitable for production. This source code is provided ‘as is’ and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided ‘as is’ and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 // Package lifecycle provides application models' lifecycle management.
 package lifecycle
diff --git a/pkg/lifecycle/lifecycle_test.go b/pkg/lifecycle/lifecycle_test.go
index 34ed28a46f..f2bdd087cc 100644
--- a/pkg/lifecycle/lifecycle_test.go
+++ b/pkg/lifecycle/lifecycle_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package lifecycle
 
diff --git a/pkg/lifecycle/ready.go b/pkg/lifecycle/ready.go
index b578960292..cd5a1f79be 100644
--- a/pkg/lifecycle/ready.go
+++ b/pkg/lifecycle/ready.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2021 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package lifecycle
 
diff --git a/pkg/lifecycle/ready_test.go b/pkg/lifecycle/ready_test.go
index 93ccf92fa4..c832e2e882 100644
--- a/pkg/lifecycle/ready_test.go
+++ b/pkg/lifecycle/ready_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2021 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package lifecycle
 
diff --git a/pkg/log/fields.go b/pkg/log/fields.go
index 9b7d6ce72c..6eb17e9109 100644
--- a/pkg/log/fields.go
+++ b/pkg/log/fields.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 // A warrper for Zerolog (https://github.com/rs/zerolog)
 //
diff --git a/pkg/log/log.go b/pkg/log/log.go
index 7b903f642c..989a59b27a 100644
--- a/pkg/log/log.go
+++ b/pkg/log/log.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package log
 
diff --git a/pkg/probe/options.go b/pkg/probe/options.go
index 87e3b057f0..b04f1ca739 100644
--- a/pkg/probe/options.go
+++ b/pkg/probe/options.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package probe
 
diff --git a/pkg/probe/probe.go b/pkg/probe/probe.go
index 6484e174af..1e0f5907da 100644
--- a/pkg/probe/probe.go
+++ b/pkg/probe/probe.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package probe
 
diff --git a/pkg/probe/probe_test.go b/pkg/probe/probe_test.go
index a53ea825d1..a4e9053598 100644
--- a/pkg/probe/probe_test.go
+++ b/pkg/probe/probe_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package probe
 
diff --git a/pkg/prometheustimer/timer.go b/pkg/prometheustimer/timer.go
index 2006d515b7..e4d07ceaf5 100644
--- a/pkg/prometheustimer/timer.go
+++ b/pkg/prometheustimer/timer.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package prometheustimer
 
diff --git a/pkg/prometheustimer/timer_test.go b/pkg/prometheustimer/timer_test.go
index 444e5a84c0..ea39966278 100644
--- a/pkg/prometheustimer/timer_test.go
+++ b/pkg/prometheustimer/timer_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2018 IoTeX
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package prometheustimer
 
diff --git a/pkg/recovery/recovery.go b/pkg/recovery/recovery.go
index b9c012e494..e8b79f1ac0 100644
--- a/pkg/recovery/recovery.go
+++ b/pkg/recovery/recovery.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package recovery
 
diff --git a/pkg/routine/delaytask.go b/pkg/routine/delaytask.go
index 1d1dd5f69a..49ad830a85 100644
--- a/pkg/routine/delaytask.go
+++ b/pkg/routine/delaytask.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2018 IoTeX
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package routine
 
diff --git a/pkg/routine/delaytask_test.go b/pkg/routine/delaytask_test.go
index 44e40410a8..b98f25c94a 100644
--- a/pkg/routine/delaytask_test.go
+++ b/pkg/routine/delaytask_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2018 IoTeX
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package routine_test
 
diff --git a/pkg/routine/options.go b/pkg/routine/options.go
index 01f529bba5..01430ac527 100644
--- a/pkg/routine/options.go
+++ b/pkg/routine/options.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2018 IoTeX
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package routine
 
diff --git a/pkg/routine/recurringtask.go b/pkg/routine/recurringtask.go
index 5b101f79cb..1ec9f8c2b1 100644
--- a/pkg/routine/recurringtask.go
+++ b/pkg/routine/recurringtask.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2018 IoTeX
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package routine
 
diff --git a/pkg/routine/recurringtask_test.go b/pkg/routine/recurringtask_test.go
index ada4c8f8f3..40e6eb7fc0 100644
--- a/pkg/routine/recurringtask_test.go
+++ b/pkg/routine/recurringtask_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package routine_test
 
diff --git a/pkg/routine/task.go b/pkg/routine/task.go
index 230f6e7eae..9a29db3b38 100644
--- a/pkg/routine/task.go
+++ b/pkg/routine/task.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2018 IoTeX
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package routine
 
diff --git a/pkg/unit/unit.go b/pkg/unit/unit.go
index e89a4d6933..bb6a965999 100644
--- a/pkg/unit/unit.go
+++ b/pkg/unit/unit.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package unit
 
diff --git a/pkg/util/addrutil/addrutil.go b/pkg/util/addrutil/addrutil.go
index 2d91ef16e9..9ef665e332 100644
--- a/pkg/util/addrutil/addrutil.go
+++ b/pkg/util/addrutil/addrutil.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package addrutil
 
diff --git a/pkg/util/addrutil/addrutil_test.go b/pkg/util/addrutil/addrutil_test.go
index b9dfd417f6..c63ece02a1 100644
--- a/pkg/util/addrutil/addrutil_test.go
+++ b/pkg/util/addrutil/addrutil_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package addrutil
 
diff --git a/pkg/util/byteutil/byteutil.go b/pkg/util/byteutil/byteutil.go
index 8185987fe4..5a60dc4c6a 100644
--- a/pkg/util/byteutil/byteutil.go
+++ b/pkg/util/byteutil/byteutil.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package byteutil
 
diff --git a/pkg/util/byteutil/byteutil_test.go b/pkg/util/byteutil/byteutil_test.go
index e91fecb51b..b584f74a0a 100644
--- a/pkg/util/byteutil/byteutil_test.go
+++ b/pkg/util/byteutil/byteutil_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package byteutil
 
diff --git a/pkg/util/fileutil/fileutil.go b/pkg/util/fileutil/fileutil.go
index 92592c5ac1..bcd035904d 100644
--- a/pkg/util/fileutil/fileutil.go
+++ b/pkg/util/fileutil/fileutil.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package fileutil
 
diff --git a/pkg/util/fileutil/fileutil_test.go b/pkg/util/fileutil/fileutil_test.go
index 726d576772..3ea549baac 100644
--- a/pkg/util/fileutil/fileutil_test.go
+++ b/pkg/util/fileutil/fileutil_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package fileutil
 
diff --git a/pkg/version/version.go b/pkg/version/version.go
index 4be27d410d..0ece43c421 100644
--- a/pkg/version/version.go
+++ b/pkg/version/version.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package version
 
diff --git a/server/itx/heartbeat.go b/server/itx/heartbeat.go
index 12fafce230..61bdbdab48 100644
--- a/server/itx/heartbeat.go
+++ b/server/itx/heartbeat.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package itx
 
diff --git a/server/itx/heartbeat_test.go b/server/itx/heartbeat_test.go
index 3d983c54bf..5ab2ec48f7 100644
--- a/server/itx/heartbeat_test.go
+++ b/server/itx/heartbeat_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package itx
 
diff --git a/server/itx/server.go b/server/itx/server.go
index 69633b6ad3..f96207cb51 100644
--- a/server/itx/server.go
+++ b/server/itx/server.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package itx
 
diff --git a/server/itx/server_test.go b/server/itx/server_test.go
index 7e9668dbaf..871c2507ef 100644
--- a/server/itx/server_test.go
+++ b/server/itx/server_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package itx
 
diff --git a/server/main.go b/server/main.go
index 2bb316173c..9d45a717b5 100644
--- a/server/main.go
+++ b/server/main.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 // Usage:
 //   make build
diff --git a/state/account.go b/state/account.go
index 40c4e53026..82a61361d4 100644
--- a/state/account.go
+++ b/state/account.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package state
 
diff --git a/state/account_test.go b/state/account_test.go
index 94e999404a..e468713d78 100644
--- a/state/account_test.go
+++ b/state/account_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package state
 
diff --git a/state/candidate.go b/state/candidate.go
index 3c68c2bebb..f727d30ed3 100644
--- a/state/candidate.go
+++ b/state/candidate.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package state
 
diff --git a/state/candidate_test.go b/state/candidate_test.go
index 8100303ef7..0ac090101b 100644
--- a/state/candidate_test.go
+++ b/state/candidate_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package state
 
diff --git a/state/factory/factory.go b/state/factory/factory.go
index 7dd01f2a31..a48f30e10e 100644
--- a/state/factory/factory.go
+++ b/state/factory/factory.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package factory
 
diff --git a/state/factory/factory_test.go b/state/factory/factory_test.go
index 92c31e2e55..49687008aa 100644
--- a/state/factory/factory_test.go
+++ b/state/factory/factory_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package factory
 
diff --git a/state/factory/historyfactory.go b/state/factory/historyfactory.go
index b7b3b6c347..24aa9c0f6c 100644
--- a/state/factory/historyfactory.go
+++ b/state/factory/historyfactory.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2020 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package factory
 
diff --git a/state/factory/minter.go b/state/factory/minter.go
index 411cea35d2..6c0f3aed43 100644
--- a/state/factory/minter.go
+++ b/state/factory/minter.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2020 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package factory
 
diff --git a/state/factory/patchstore.go b/state/factory/patchstore.go
index a48d665090..2cb30a9582 100644
--- a/state/factory/patchstore.go
+++ b/state/factory/patchstore.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2021 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package factory
 
diff --git a/state/factory/statedb.go b/state/factory/statedb.go
index 12f57cb864..6f676c75de 100644
--- a/state/factory/statedb.go
+++ b/state/factory/statedb.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2020 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package factory
 
diff --git a/state/factory/util.go b/state/factory/util.go
index d524c24f23..8c297c3bec 100644
--- a/state/factory/util.go
+++ b/state/factory/util.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package factory
 
diff --git a/state/factory/workingset.go b/state/factory/workingset.go
index cc80966dad..465bdd5bb0 100644
--- a/state/factory/workingset.go
+++ b/state/factory/workingset.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package factory
 
diff --git a/state/factory/workingset_test.go b/state/factory/workingset_test.go
index 9dc419bf73..0f9445446e 100644
--- a/state/factory/workingset_test.go
+++ b/state/factory/workingset_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2020 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package factory
 
diff --git a/state/factory/workingsetstore.go b/state/factory/workingsetstore.go
index 704fba3db2..d882389ec7 100644
--- a/state/factory/workingsetstore.go
+++ b/state/factory/workingsetstore.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package factory
 
diff --git a/state/factory/workingsetstore_test.go b/state/factory/workingsetstore_test.go
index 0b4aca6ea5..12cedeee68 100644
--- a/state/factory/workingsetstore_test.go
+++ b/state/factory/workingsetstore_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package factory
 
diff --git a/state/iterator.go b/state/iterator.go
index 326b020c8e..b354ba987c 100644
--- a/state/iterator.go
+++ b/state/iterator.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2020 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package state
 
diff --git a/state/iterator_test.go b/state/iterator_test.go
index 4b22831f57..567cf7faeb 100644
--- a/state/iterator_test.go
+++ b/state/iterator_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided   'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to   the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed   by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package state
 
diff --git a/state/state.go b/state/state.go
index 012a1f028e..0751fedb68 100644
--- a/state/state.go
+++ b/state/state.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2018 IoTeX
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package state
 
diff --git a/state/state_test.go b/state/state_test.go
index 9b6224b85d..080dff4390 100644
--- a/state/state_test.go
+++ b/state/state_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided   'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to   the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed   by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package state
 
diff --git a/test/identityset/identityset.go b/test/identityset/identityset.go
index 75b31a3e67..e99e1bfee0 100644
--- a/test/identityset/identityset.go
+++ b/test/identityset/identityset.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package identityset
 
diff --git a/testutil/file.go b/testutil/file.go
index b7844d4b19..fdea0aeadd 100644
--- a/testutil/file.go
+++ b/testutil/file.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2018 IoTeX
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package testutil
 
diff --git a/testutil/file_test.go b/testutil/file_test.go
index 9103486a43..50205bc2f2 100644
--- a/testutil/file_test.go
+++ b/testutil/file_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2021 IoTeX
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package testutil
 
diff --git a/testutil/gas.go b/testutil/gas.go
index 3fc4c7bda6..618f694c2b 100644
--- a/testutil/gas.go
+++ b/testutil/gas.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package testutil
 
diff --git a/testutil/network.go b/testutil/network.go
index d899875190..ddbb5b9564 100644
--- a/testutil/network.go
+++ b/testutil/network.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package testutil
 
diff --git a/testutil/network_test.go b/testutil/network_test.go
index a126a9466e..2b90a48cab 100644
--- a/testutil/network_test.go
+++ b/testutil/network_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2021 IoTeX
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package testutil
 
diff --git a/testutil/timestamp.go b/testutil/timestamp.go
index b595d6b124..83db3cd27f 100644
--- a/testutil/timestamp.go
+++ b/testutil/timestamp.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package testutil
 
diff --git a/testutil/timestamp_test.go b/testutil/timestamp_test.go
index a649dbf479..4a471cc1ee 100644
--- a/testutil/timestamp_test.go
+++ b/testutil/timestamp_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2021 IoTeX
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package testutil
 
diff --git a/testutil/wait.go b/testutil/wait.go
index 32be9c0db1..3c2de48102 100644
--- a/testutil/wait.go
+++ b/testutil/wait.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2018 IoTeX
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package testutil
 
diff --git a/testutil/wait_test.go b/testutil/wait_test.go
index b32a0dd4f4..8ca09eae6a 100644
--- a/testutil/wait_test.go
+++ b/testutil/wait_test.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2018 IoTeX
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package testutil
 
diff --git a/tools/actioninjector.v2/internal/cmd/inject.go b/tools/actioninjector.v2/internal/cmd/inject.go
index b017c4fd7d..304677b03f 100644
--- a/tools/actioninjector.v2/internal/cmd/inject.go
+++ b/tools/actioninjector.v2/internal/cmd/inject.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package cmd
 
diff --git a/tools/actioninjector.v2/internal/cmd/root.go b/tools/actioninjector.v2/internal/cmd/root.go
index 6e8aae330f..0cc691f327 100644
--- a/tools/actioninjector.v2/internal/cmd/root.go
+++ b/tools/actioninjector.v2/internal/cmd/root.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package cmd
 
diff --git a/tools/addrgen/addrgen.go b/tools/addrgen/addrgen.go
index fafe8487d3..6c5f1ebfaa 100644
--- a/tools/addrgen/addrgen.go
+++ b/tools/addrgen/addrgen.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2018 IoTeX
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 // This is a testing tool to generate iotex addresses
 // To use, run "make build" and " ./bin/addrgen"
diff --git a/tools/addrgen/internal/cmd/createconfig.go b/tools/addrgen/internal/cmd/createconfig.go
index 3d642b1756..f7b6698295 100644
--- a/tools/addrgen/internal/cmd/createconfig.go
+++ b/tools/addrgen/internal/cmd/createconfig.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package cmd
 
diff --git a/tools/addrgen/internal/cmd/generate.go b/tools/addrgen/internal/cmd/generate.go
index 006f2ccc53..51c1c2f81f 100644
--- a/tools/addrgen/internal/cmd/generate.go
+++ b/tools/addrgen/internal/cmd/generate.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package cmd
 
diff --git a/tools/addrgen/internal/cmd/root.go b/tools/addrgen/internal/cmd/root.go
index 0fc450c739..daa2cbb465 100644
--- a/tools/addrgen/internal/cmd/root.go
+++ b/tools/addrgen/internal/cmd/root.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package cmd
 
diff --git a/tools/bot/Makefile b/tools/bot/Makefile
index caef462afa..a90cc57799 100644
--- a/tools/bot/Makefile
+++ b/tools/bot/Makefile
@@ -1,9 +1,8 @@
 ########################################################################################################################
 # Copyright (c) 2019 IoTeX Foundation
-# This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-# warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-# permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-# License 2.0 that can be found in the LICENSE file.
+# This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+# or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+# This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 ########################################################################################################################
 
 # Go parameters
diff --git a/tools/bot/config/config.go b/tools/bot/config/config.go
index d5e9b87bed..7fe2f504ef 100644
--- a/tools/bot/config/config.go
+++ b/tools/bot/config/config.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package config
 
diff --git a/tools/bot/server/bot/execution.go b/tools/bot/server/bot/execution.go
index 8502dec0cf..a6f26f88d6 100644
--- a/tools/bot/server/bot/execution.go
+++ b/tools/bot/server/bot/execution.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package bot
 
diff --git a/tools/bot/server/bot/server.go b/tools/bot/server/bot/server.go
index 3a634f5f27..ab470255a2 100644
--- a/tools/bot/server/bot/server.go
+++ b/tools/bot/server/bot/server.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package bot
 
diff --git a/tools/bot/server/bot/transfer.go b/tools/bot/server/bot/transfer.go
index 165fd90235..a98eee6bcd 100644
--- a/tools/bot/server/bot/transfer.go
+++ b/tools/bot/server/bot/transfer.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package bot
 
diff --git a/tools/bot/server/bot/xrc20.go b/tools/bot/server/bot/xrc20.go
index e9e0e8df64..66727c0351 100644
--- a/tools/bot/server/bot/xrc20.go
+++ b/tools/bot/server/bot/xrc20.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package bot
 
diff --git a/tools/bot/server/main.go b/tools/bot/server/main.go
index 6d182cca9a..d04ca2baa4 100644
--- a/tools/bot/server/main.go
+++ b/tools/bot/server/main.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package main
 
diff --git a/tools/executiontester/blockchain/array-delete-passing.go b/tools/executiontester/blockchain/array-delete-passing.go
index d4b9729ab7..f4072fa443 100644
--- a/tools/executiontester/blockchain/array-delete-passing.go
+++ b/tools/executiontester/blockchain/array-delete-passing.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package blockchain
 
diff --git a/tools/executiontester/blockchain/array-of-strings.go b/tools/executiontester/blockchain/array-of-strings.go
index 0b1828ec05..7638e61726 100644
--- a/tools/executiontester/blockchain/array-of-strings.go
+++ b/tools/executiontester/blockchain/array-of-strings.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package blockchain
 
diff --git a/tools/executiontester/blockchain/contract.go b/tools/executiontester/blockchain/contract.go
index 2978add234..b08d349a1d 100644
--- a/tools/executiontester/blockchain/contract.go
+++ b/tools/executiontester/blockchain/contract.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package blockchain
 
diff --git a/tools/executiontester/blockchain/erc721_token.go b/tools/executiontester/blockchain/erc721_token.go
index 6dbe27b999..a3fe0471b7 100644
--- a/tools/executiontester/blockchain/erc721_token.go
+++ b/tools/executiontester/blockchain/erc721_token.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package blockchain
 
diff --git a/tools/executiontester/blockchain/fp_token.go b/tools/executiontester/blockchain/fp_token.go
index 86a731c660..5930c8df0b 100644
--- a/tools/executiontester/blockchain/fp_token.go
+++ b/tools/executiontester/blockchain/fp_token.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package blockchain
 
diff --git a/tools/executiontester/blockchain/stable_token.go b/tools/executiontester/blockchain/stable_token.go
index 0d17b07865..1566830c5b 100644
--- a/tools/executiontester/blockchain/stable_token.go
+++ b/tools/executiontester/blockchain/stable_token.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package blockchain
 
diff --git a/tools/executiontester/blockchain/trading.go b/tools/executiontester/blockchain/trading.go
index 7c7375a6ce..c96157d20c 100644
--- a/tools/executiontester/blockchain/trading.go
+++ b/tools/executiontester/blockchain/trading.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package blockchain
 
diff --git a/tools/executiontester/blockchain/typedef.go b/tools/executiontester/blockchain/typedef.go
index 345484a2e1..b1856e5c74 100644
--- a/tools/executiontester/blockchain/typedef.go
+++ b/tools/executiontester/blockchain/typedef.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package blockchain
 
diff --git a/tools/executiontester/executiontester.go b/tools/executiontester/executiontester.go
index bcf6fd9e48..f66cb3f490 100644
--- a/tools/executiontester/executiontester.go
+++ b/tools/executiontester/executiontester.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package main
 
diff --git a/tools/ioctl/ioctl.go b/tools/ioctl/ioctl.go
index 81baf3ac7d..c54d26a5be 100644
--- a/tools/ioctl/ioctl.go
+++ b/tools/ioctl/ioctl.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package main
 
diff --git a/tools/iomigrater/main.go b/tools/iomigrater/main.go
index 7bf1d6b489..6ca918dbee 100644
--- a/tools/iomigrater/main.go
+++ b/tools/iomigrater/main.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2020 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package main
 
diff --git a/tools/iomigrater/root.go b/tools/iomigrater/root.go
index d9029dd402..5d6d2115fe 100644
--- a/tools/iomigrater/root.go
+++ b/tools/iomigrater/root.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2020 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package main
 
diff --git a/tools/minicluster/minicluster.go b/tools/minicluster/minicluster.go
index f7863bd3f5..5c484e9d35 100644
--- a/tools/minicluster/minicluster.go
+++ b/tools/minicluster/minicluster.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 // usage: make minicluster
 
diff --git a/tools/multisend/multisend.go b/tools/multisend/multisend.go
index 9dc4adaed0..53a5733f33 100644
--- a/tools/multisend/multisend.go
+++ b/tools/multisend/multisend.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package main
 
diff --git a/tools/newioctl/ioctl.go b/tools/newioctl/ioctl.go
index 7964371275..55e8b26969 100644
--- a/tools/newioctl/ioctl.go
+++ b/tools/newioctl/ioctl.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package main
 
diff --git a/tools/newxctl/xctl.go b/tools/newxctl/xctl.go
index c549583b89..5299f4e35e 100644
--- a/tools/newxctl/xctl.go
+++ b/tools/newxctl/xctl.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2022 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package main
 
diff --git a/tools/readtip/main.go b/tools/readtip/main.go
index 36bcff91d5..4ab7dc85c5 100644
--- a/tools/readtip/main.go
+++ b/tools/readtip/main.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 // This is a recovery tool that recovers a corrupted or missing state database.
 // To use, run "make recover"
diff --git a/tools/staterecoverer/staterecoverer.go b/tools/staterecoverer/staterecoverer.go
index d46ad09bec..ea8f28f6a7 100644
--- a/tools/staterecoverer/staterecoverer.go
+++ b/tools/staterecoverer/staterecoverer.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 // This is a recovery tool that recovers a corrupted or missing state database.
 // To use, run "make recover"
diff --git a/tools/util/injectorutil.go b/tools/util/injectorutil.go
index ba650c6a79..391f173012 100644
--- a/tools/util/injectorutil.go
+++ b/tools/util/injectorutil.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2019 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package util
 
diff --git a/tools/xctl/xctl.go b/tools/xctl/xctl.go
index 6a81ab47d9..f0db7e533b 100644
--- a/tools/xctl/xctl.go
+++ b/tools/xctl/xctl.go
@@ -1,8 +1,7 @@
 // Copyright (c) 2020 IoTeX Foundation
-// This is an alpha (internal) release and is not suitable for production. This source code is provided 'as is' and no
-// warranties are given as to title or non-infringement, merchantability or fitness for purpose and, to the extent
-// permitted by law, all liability for your use of the code is disclaimed. This source code is governed by Apache
-// License 2.0 that can be found in the LICENSE file.
+// This source code is provided 'as is' and no warranties are given as to title or non-infringement, merchantability
+// or fitness for purpose and, to the extent permitted by law, all liability for your use of the code is disclaimed.
+// This source code is governed by Apache License 2.0 that can be found in the LICENSE file.
 
 package main