diff --git a/.github/config.yml b/.github/config.yml
index 2fd28336c224ad..027b4dc4e4deca 100644
--- a/.github/config.yml
+++ b/.github/config.yml
@@ -5,3 +5,4 @@ todo:
   autoAssign: true                        # string|string[]|boolean
   label: ["todo"]                         # boolean|string|string[]
   reopenClosed: true                      # boolean
+  exclude: ".*lint\\.yaml|.*/(zzz_generated|zap-generated)/.*" # string
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 71b5fd52fd963d..76a5338e768a99 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -41,3 +41,8 @@ jobs:
       - name: Check for incorrect error use in VerifyOrExit
         run: |
           git grep -n "VerifyOrExit(.*, [A-Za-z]*_ERROR" -- './*' ':(exclude).github/workflows/lint.yml' && exit 1 || exit 0
+
+      # Comments like '{{! ... }}' should be used in zap files
+      - name: Do not allow TODO in generated files
+        run: |
+          git grep -n 'TODO:' -- ./zzz_generated './*/zap-generated/*' && exit 1 || exit 0
diff --git a/src/app/zap-templates/templates/app/CHIPClientCallbacks-src.zapt b/src/app/zap-templates/templates/app/CHIPClientCallbacks-src.zapt
index 95028e5dd7e2fe..8f03d6b1b0bf71 100644
--- a/src/app/zap-templates/templates/app/CHIPClientCallbacks-src.zapt
+++ b/src/app/zap-templates/templates/app/CHIPClientCallbacks-src.zapt
@@ -118,9 +118,9 @@ namespace {
     }
 
 
-// TODO: These IM related callbacks contains small or no generated code, should be put into seperate file to reduce the size of template.
-// Singleton instance of the callbacks manager
+{{! TODO: These IM related callbacks contains small or no generated code, should be put into seperate file to reduce the size of template. }}
 
+// Singleton instance of the callbacks manager
 app::CHIPDeviceCallbacksMgr & gCallbacks = app::CHIPDeviceCallbacksMgr::GetInstance();
 
 {{#chip_client_clusters}}
diff --git a/zzz_generated/controller-clusters/zap-generated/CHIPClientCallbacks.cpp b/zzz_generated/controller-clusters/zap-generated/CHIPClientCallbacks.cpp
index 680cb1cb9487ca..3b93b24c00738e 100644
--- a/zzz_generated/controller-clusters/zap-generated/CHIPClientCallbacks.cpp
+++ b/zzz_generated/controller-clusters/zap-generated/CHIPClientCallbacks.cpp
@@ -131,9 +131,7 @@ namespace {
         return true;                                                                                                               \
     }
 
-// TODO: These IM related callbacks contains small or no generated code, should be put into seperate file to reduce the size of
-// template. Singleton instance of the callbacks manager
-
+// Singleton instance of the callbacks manager
 app::CHIPDeviceCallbacksMgr & gCallbacks = app::CHIPDeviceCallbacksMgr::GetInstance();
 
 void ApplicationLauncherClusterApplicationLauncherListListAttributeFilter(TLV::TLVReader * tlvData,
diff --git a/zzz_generated/lighting-app/zap-generated/CHIPClientCallbacks.cpp b/zzz_generated/lighting-app/zap-generated/CHIPClientCallbacks.cpp
index ca2e48fa13e4d1..e28673418b09cd 100644
--- a/zzz_generated/lighting-app/zap-generated/CHIPClientCallbacks.cpp
+++ b/zzz_generated/lighting-app/zap-generated/CHIPClientCallbacks.cpp
@@ -131,7 +131,5 @@ namespace {
         return true;                                                                                                               \
     }
 
-// TODO: These IM related callbacks contains small or no generated code, should be put into seperate file to reduce the size of
-// template. Singleton instance of the callbacks manager
-
+// Singleton instance of the callbacks manager
 app::CHIPDeviceCallbacksMgr & gCallbacks = app::CHIPDeviceCallbacksMgr::GetInstance();
diff --git a/zzz_generated/ota-requestor-app/zap-generated/CHIPClientCallbacks.cpp b/zzz_generated/ota-requestor-app/zap-generated/CHIPClientCallbacks.cpp
index fc2adfa21d544d..37e8013efc1d31 100644
--- a/zzz_generated/ota-requestor-app/zap-generated/CHIPClientCallbacks.cpp
+++ b/zzz_generated/ota-requestor-app/zap-generated/CHIPClientCallbacks.cpp
@@ -131,9 +131,7 @@ namespace {
         return true;                                                                                                               \
     }
 
-// TODO: These IM related callbacks contains small or no generated code, should be put into seperate file to reduce the size of
-// template. Singleton instance of the callbacks manager
-
+// Singleton instance of the callbacks manager
 app::CHIPDeviceCallbacksMgr & gCallbacks = app::CHIPDeviceCallbacksMgr::GetInstance();
 
 bool emberAfOtaSoftwareUpdateProviderClusterApplyUpdateRequestResponseCallback(EndpointId endpoint, app::CommandSender * commandObj,
diff --git a/zzz_generated/pump-app/zap-generated/CHIPClientCallbacks.cpp b/zzz_generated/pump-app/zap-generated/CHIPClientCallbacks.cpp
index ca2e48fa13e4d1..e28673418b09cd 100644
--- a/zzz_generated/pump-app/zap-generated/CHIPClientCallbacks.cpp
+++ b/zzz_generated/pump-app/zap-generated/CHIPClientCallbacks.cpp
@@ -131,7 +131,5 @@ namespace {
         return true;                                                                                                               \
     }
 
-// TODO: These IM related callbacks contains small or no generated code, should be put into seperate file to reduce the size of
-// template. Singleton instance of the callbacks manager
-
+// Singleton instance of the callbacks manager
 app::CHIPDeviceCallbacksMgr & gCallbacks = app::CHIPDeviceCallbacksMgr::GetInstance();
diff --git a/zzz_generated/pump-controller-app/zap-generated/CHIPClientCallbacks.cpp b/zzz_generated/pump-controller-app/zap-generated/CHIPClientCallbacks.cpp
index ca2e48fa13e4d1..e28673418b09cd 100644
--- a/zzz_generated/pump-controller-app/zap-generated/CHIPClientCallbacks.cpp
+++ b/zzz_generated/pump-controller-app/zap-generated/CHIPClientCallbacks.cpp
@@ -131,7 +131,5 @@ namespace {
         return true;                                                                                                               \
     }
 
-// TODO: These IM related callbacks contains small or no generated code, should be put into seperate file to reduce the size of
-// template. Singleton instance of the callbacks manager
-
+// Singleton instance of the callbacks manager
 app::CHIPDeviceCallbacksMgr & gCallbacks = app::CHIPDeviceCallbacksMgr::GetInstance();
diff --git a/zzz_generated/thermostat/zap-generated/CHIPClientCallbacks.cpp b/zzz_generated/thermostat/zap-generated/CHIPClientCallbacks.cpp
index 664a42917aa1c8..b913d71dee199a 100644
--- a/zzz_generated/thermostat/zap-generated/CHIPClientCallbacks.cpp
+++ b/zzz_generated/thermostat/zap-generated/CHIPClientCallbacks.cpp
@@ -131,9 +131,7 @@ namespace {
         return true;                                                                                                               \
     }
 
-// TODO: These IM related callbacks contains small or no generated code, should be put into seperate file to reduce the size of
-// template. Singleton instance of the callbacks manager
-
+// Singleton instance of the callbacks manager
 app::CHIPDeviceCallbacksMgr & gCallbacks = app::CHIPDeviceCallbacksMgr::GetInstance();
 
 bool emberAfIdentifyClusterIdentifyQueryResponseCallback(EndpointId endpoint, app::CommandSender * commandObj, uint16_t timeout)
diff --git a/zzz_generated/tv-app/zap-generated/CHIPClientCallbacks.cpp b/zzz_generated/tv-app/zap-generated/CHIPClientCallbacks.cpp
index df004060de32d3..66204a50b03fbc 100644
--- a/zzz_generated/tv-app/zap-generated/CHIPClientCallbacks.cpp
+++ b/zzz_generated/tv-app/zap-generated/CHIPClientCallbacks.cpp
@@ -131,9 +131,7 @@ namespace {
         return true;                                                                                                               \
     }
 
-// TODO: These IM related callbacks contains small or no generated code, should be put into seperate file to reduce the size of
-// template. Singleton instance of the callbacks manager
-
+// Singleton instance of the callbacks manager
 app::CHIPDeviceCallbacksMgr & gCallbacks = app::CHIPDeviceCallbacksMgr::GetInstance();
 
 void GeneralCommissioningClusterBasicCommissioningInfoListListAttributeFilter(TLV::TLVReader * tlvData,