diff --git a/config/ameba/args.gni b/config/ameba/args.gni
index d4a64c2f4ac6d9..3be47a85291024 100755
--- a/config/ameba/args.gni
+++ b/config/ameba/args.gni
@@ -15,9 +15,7 @@
 # Options from standalone-chip.mk that differ from configure defaults. These
 # options are used from examples/.
 
-import("//build_overrides/chip.gni")
 import("//build_overrides/pigweed.gni")
-import("${chip_root}/src/crypto/crypto.gni")
 
 chip_device_platform = "ameba"
 
@@ -25,10 +23,7 @@ chip_project_config_include = ""
 chip_system_project_config_include = ""
 chip_ble_project_config_include = ""
 
-if (chip_crypto == "") {
-  mbedtls_target = "//mbedtls:mbedtls"
-}
-
+mbedtls_target = "//mbedtls:mbedtls"
 lwip_platform = "external"
 
 chip_build_tests = false
diff --git a/src/platform/Ameba/BUILD.gn b/src/platform/Ameba/BUILD.gn
index 811055bd90906d..9e06191ae667ca 100755
--- a/src/platform/Ameba/BUILD.gn
+++ b/src/platform/Ameba/BUILD.gn
@@ -14,8 +14,8 @@
 
 import("//build_overrides/chip.gni")
 
-import("${chip_root}/src/crypto/crypto.gni")
 import("${chip_root}/src/platform/device.gni")
+
 assert(chip_device_platform == "ameba")
 
 static_library("Ameba") {
@@ -50,6 +50,8 @@ static_library("Ameba") {
     "SoftwareUpdateManagerImpl.h",
     "SystemTimeSupport.cpp",
     "SystemTimeSupport.h",
+    "crypto/AmebaPersistentStorageOperationalKeystore.cpp",
+    "crypto/AmebaPersistentStorageOperationalKeystore.h",
   ]
 
   deps = [
@@ -71,14 +73,4 @@ static_library("Ameba") {
       "AmebaOTAImageProcessor.h",
     ]
   }
-
-  if (chip_crypto == "platform") {
-    sources += [
-      "${chip_root}/src/crypto/CHIPCryptoPALmbedTLS.cpp",
-      "${chip_root}/src/crypto/CHIPCryptoPALmbedTLS.h",
-      "${chip_root}/src/crypto/CHIPCryptoPALmbedTLSCert.cpp",
-      "crypto/AmebaPersistentStorageOperationalKeystore.cpp",
-      "crypto/AmebaPersistentStorageOperationalKeystore.h",
-    ]
-  }
 }
diff --git a/src/platform/Ameba/args.gni b/src/platform/Ameba/args.gni
index 82dbccebaf5bc5..bcda3812b8d781 100755
--- a/src/platform/Ameba/args.gni
+++ b/src/platform/Ameba/args.gni
@@ -13,15 +13,11 @@
 # limitations under the License.
 
 import("//build_overrides/chip.gni")
-import("${chip_root}/src/crypto/crypto.gni")
 
 chip_device_platform = "ameba"
 
 lwip_platform = "external"
-
-if (chip_crypto == "") {
-  mbedtls_target = "//mbedtls:mbedtls"
-}
+mbedtls_target = "//mbedtls:mbedtls"
 
 chip_build_tests = false
 chip_inet_config_enable_tun_endpoint = false
diff --git a/src/platform/Ameba/crypto/AmebaPersistentStorageOperationalKeystore.cpp b/src/platform/Ameba/crypto/AmebaPersistentStorageOperationalKeystore.cpp
index e33806418191d1..73358f77ea4af0 100644
--- a/src/platform/Ameba/crypto/AmebaPersistentStorageOperationalKeystore.cpp
+++ b/src/platform/Ameba/crypto/AmebaPersistentStorageOperationalKeystore.cpp
@@ -15,6 +15,7 @@
  *    limitations under the License.
  */
 
+#if CONFIG_ENABLE_AMEBA_CRYPTO
 #include <crypto/CHIPCryptoPAL.h>
 #include <crypto/CHIPCryptoPALmbedTLS.h>
 #include <crypto/OperationalKeystore.h>
@@ -441,3 +442,5 @@ CHIP_ERROR AmebaPersistentStorageOperationalKeystore::MigrateOpKeypairForFabric(
 }
 
 } // namespace chip
+
+#endif /* CONFIG_ENABLE_AMEBA_CRYPTO */
diff --git a/src/platform/Ameba/crypto/AmebaPersistentStorageOperationalKeystore.h b/src/platform/Ameba/crypto/AmebaPersistentStorageOperationalKeystore.h
index 425f654c68ae01..4969e0677764c9 100644
--- a/src/platform/Ameba/crypto/AmebaPersistentStorageOperationalKeystore.h
+++ b/src/platform/Ameba/crypto/AmebaPersistentStorageOperationalKeystore.h
@@ -17,6 +17,7 @@
 
 #pragma once
 
+#if CONFIG_ENABLE_AMEBA_CRYPTO
 #include <crypto/OperationalKeystore.h>
 #include <crypto/PersistentStorageOperationalKeystore.h>
 #include <lib/core/CHIPError.h>
@@ -142,3 +143,4 @@ class AmebaPersistentStorageOperationalKeystore : public Crypto::OperationalKeys
 };
 
 } // namespace chip
+#endif /* CONFIG_ENABLE_AMEBA_CRYPTO */