diff --git a/src/backend/distributed/worker/worker_shard_visibility.c b/src/backend/distributed/worker/worker_shard_visibility.c
index a9edaf382..d7e9b87cb 100644
--- a/src/backend/distributed/worker/worker_shard_visibility.c
+++ b/src/backend/distributed/worker/worker_shard_visibility.c
@@ -172,9 +172,6 @@ ErrorIfIllegallyChangingKnownShard(Oid relationId)
 /*
  * RelationIsAKnownShard gets a relationId, check whether it's a shard of
  * any distributed table.
- *
- * We can only do that in MX since both the metadata and tables are only
- * present there.
  */
 bool
 RelationIsAKnownShard(Oid shardRelationId)