diff --git a/src/backend/distributed/relay/relay_event_utility.c b/src/backend/distributed/relay/relay_event_utility.c
index 3c50b206b..de2a75da6 100644
--- a/src/backend/distributed/relay/relay_event_utility.c
+++ b/src/backend/distributed/relay/relay_event_utility.c
@@ -166,6 +166,7 @@ RelayEventExtendNames(Node *parseTree, char *schemaName, uint64 shardId)
 			 */
 		}
 
+		/* fallthrough */
 		case T_CreateStmt:
 		{
 			CreateStmt *createStmt = (CreateStmt *) parseTree;
diff --git a/src/backend/distributed/utils/ruleutils_96.c b/src/backend/distributed/utils/ruleutils_96.c
index 3e4a38ddf..dbd976341 100644
--- a/src/backend/distributed/utils/ruleutils_96.c
+++ b/src/backend/distributed/utils/ruleutils_96.c
@@ -4448,9 +4448,9 @@ isSimpleNode(Node *node, Node *parentNode, int prettyFlags)
 					return false;
 				}
 				/* else do the same stuff as for T_SubLink et al. */
-				/* FALL THROUGH */
 			}
 
+		/* fallthrough */
 		case T_SubLink:
 		case T_NullTest:
 		case T_BooleanTest: