diff --git a/appengine/building-an-app/build/app.yaml b/appengine/building-an-app/build/app.yaml
index 28e0dbefdc..e865ee3bab 100755
--- a/appengine/building-an-app/build/app.yaml
+++ b/appengine/building-an-app/build/app.yaml
@@ -12,9 +12,5 @@
 # limitations under the License.
 
 # [START gae_build_app_yaml_node]
-# [START app_yaml]
-# [START gae_app_yaml]
 runtime: nodejs20
-# [END gae_app_yaml]
-# [END app_yaml]
 # [END gae_build_app_yaml_node]
diff --git a/appengine/building-an-app/update/app.yaml b/appengine/building-an-app/update/app.yaml
index cdc0be90ee..47d28b7be5 100755
--- a/appengine/building-an-app/update/app.yaml
+++ b/appengine/building-an-app/update/app.yaml
@@ -12,9 +12,5 @@
 # limitations under the License.
 
 # [START gae_update_app_yaml_node]
-# [START gae_app_yaml]
-# [START app_yaml]
 runtime: nodejs20
-# [END app_yaml]
-# [END gae_app_yaml]
 # [END gae_update_app_yaml_node]