diff --git a/src/backend/distributed/commands/trigger.c b/src/backend/distributed/commands/trigger.c
index d4d08e753..8a1a9a6cc 100644
--- a/src/backend/distributed/commands/trigger.c
+++ b/src/backend/distributed/commands/trigger.c
@@ -162,8 +162,7 @@ GetExplicitTriggerIdList(Oid relationId)
 		 */
 		if (!triggerForm->tgisinternal)
 		{
-			Oid triggerId = get_relation_trigger_oid_compat(heapTuple);
-			triggerIdList = lappend_oid(triggerIdList, triggerId);
+			triggerIdList = lappend_oid(triggerIdList, triggerForm->oid);
 		}
 
 		heapTuple = systable_getnext(scanDescriptor);
@@ -176,26 +175,6 @@ GetExplicitTriggerIdList(Oid relationId)
 }
 
 
-/*
- * get_relation_trigger_oid_compat returns OID of the trigger represented
- * by the constraintForm, which is passed as an heapTuple. OID of the
- * trigger is already stored in the triggerForm struct if major PostgreSQL
- * version is 12. However, in the older versions, we should utilize
- * HeapTupleGetOid to deduce that OID with no cost.
- */
-Oid
-get_relation_trigger_oid_compat(HeapTuple heapTuple)
-{
-	Assert(HeapTupleIsValid(heapTuple));
-
-
-	Form_pg_trigger triggerForm = (Form_pg_trigger) GETSTRUCT(heapTuple);
-	Oid triggerOid = triggerForm->oid;
-
-	return triggerOid;
-}
-
-
 /*
  * PostprocessCreateTriggerStmt is called after a CREATE TRIGGER command has
  * been executed by standard process utility. This function errors out for
diff --git a/src/include/distributed/commands.h b/src/include/distributed/commands.h
index 448eeeaf6..ba8ee6d31 100644
--- a/src/include/distributed/commands.h
+++ b/src/include/distributed/commands.h
@@ -478,7 +478,6 @@ extern void PostprocessVacuumStmt(VacuumStmt *vacuumStmt, const char *vacuumComm
 extern List * GetExplicitTriggerCommandList(Oid relationId);
 extern HeapTuple GetTriggerTupleById(Oid triggerId, bool missingOk);
 extern List * GetExplicitTriggerIdList(Oid relationId);
-extern Oid get_relation_trigger_oid_compat(HeapTuple heapTuple);
 extern List * PostprocessCreateTriggerStmt(Node *node, const char *queryString);
 extern ObjectAddress CreateTriggerStmtObjectAddress(Node *node, bool missingOk);
 extern void CreateTriggerEventExtendNames(CreateTrigStmt *createTriggerStmt,