diff --git a/src/backend/distributed/utils/resource_lock.c b/src/backend/distributed/utils/resource_lock.c
index 296508e9d..d4da891ae 100644
--- a/src/backend/distributed/utils/resource_lock.c
+++ b/src/backend/distributed/utils/resource_lock.c
@@ -316,18 +316,3 @@ LockRelationShardResources(List *relationShardList, LOCKMODE lockMode)
 		}
 	}
 }
-
-
-/*
- * LockMetadataSnapshot acquires a lock needed to serialize changes to pg_dist_node
- * and all other metadata changes. Operations that modify pg_dist_node should acquire
- * AccessExclusiveLock. All other metadata changes should acquire AccessShareLock. Any locks
- * acquired using this method are released at transaction end.
- */
-void
-LockMetadataSnapshot(LOCKMODE lockMode)
-{
-	Assert(lockMode == AccessExclusiveLock || lockMode == AccessShareLock);
-
-	(void) LockRelationOid(DistNodeRelationId(), lockMode);
-}
diff --git a/src/include/distributed/resource_lock.h b/src/include/distributed/resource_lock.h
index 31dfff855..896d1fbb0 100644
--- a/src/include/distributed/resource_lock.h
+++ b/src/include/distributed/resource_lock.h
@@ -80,6 +80,5 @@ extern void LockShardListMetadata(List *shardIntervalList, LOCKMODE lockMode);
 extern void LockShardListResources(List *shardIntervalList, LOCKMODE lockMode);
 extern void LockRelationShardResources(List *relationShardList, LOCKMODE lockMode);
 
-extern void LockMetadataSnapshot(LOCKMODE lockMode);
 
 #endif /* RESOURCE_LOCK_H */