diff --git a/evm-template/runtime/Cargo.toml b/evm-template/runtime/Cargo.toml
index d7f9bd5..fb53086 100644
--- a/evm-template/runtime/Cargo.toml
+++ b/evm-template/runtime/Cargo.toml
@@ -251,3 +251,7 @@ try-runtime = [
 ]
 
 experimental = [ "pallet-aura/experimental" ]
+# A feature that should be enabled when the runtime should be built for on-chain
+# deployment. This will disable stuff that shouldn't be part of the on-chain wasm
+# to make it smaller, like logging for example.
+on-chain-release-build = [ "sp-api/disable-logging" ]
diff --git a/generic-template/runtime/Cargo.toml b/generic-template/runtime/Cargo.toml
index e76742f..e6d3be4 100644
--- a/generic-template/runtime/Cargo.toml
+++ b/generic-template/runtime/Cargo.toml
@@ -224,3 +224,7 @@ try-runtime = [
 ]
 
 experimental = [ "pallet-aura/experimental" ]
+# A feature that should be enabled when the runtime should be built for on-chain
+# deployment. This will disable stuff that shouldn't be part of the on-chain wasm
+# to make it smaller, like logging for example.
+on-chain-release-build = [ "sp-api/disable-logging" ]