diff --git a/src/backend/commands/tablecmds.c b/src/backend/commands/tablecmds.c
index 5fad1fa44c1..f971f6019ca 100644
--- a/src/backend/commands/tablecmds.c
+++ b/src/backend/commands/tablecmds.c
@@ -12384,7 +12384,7 @@ ATExecAlterConstraintInternal(List **wqueue, ATAlterConstraint *cmdcon,
 static bool
 ATExecAlterConstrEnforceability(List **wqueue, ATAlterConstraint *cmdcon,
 								Relation conrel, Relation tgrel,
-								const Oid fkrelid, const Oid pkrelid,
+								Oid fkrelid, Oid pkrelid,
 								HeapTuple contuple, LOCKMODE lockmode,
 								Oid ReferencedParentDelTrigger,
 								Oid ReferencedParentUpdTrigger,
@@ -12732,7 +12732,7 @@ AlterConstrTriggerDeferrability(Oid conoid, Relation tgrel, Relation rel,
 static void
 AlterConstrEnforceabilityRecurse(List **wqueue, ATAlterConstraint *cmdcon,
 								 Relation conrel, Relation tgrel,
-								 const Oid fkrelid, const Oid pkrelid,
+								 Oid fkrelid, Oid pkrelid,
 								 HeapTuple contuple, LOCKMODE lockmode,
 								 Oid ReferencedParentDelTrigger,
 								 Oid ReferencedParentUpdTrigger,