diff --git a/src/backend/commands/createas.c b/src/backend/commands/createas.c
index 2c8a93b6e56..6fb92a312bb 100644
--- a/src/backend/commands/createas.c
+++ b/src/backend/commands/createas.c
@@ -347,7 +347,7 @@ ExecCreateTableAs(ParseState *pstate, CreateTableAsStmt *stmt,
 	if (do_refresh)
 	{
 		RefreshMatViewByOid(address.objectId, false, false,
-							pstate->p_sourcetext, NULL, qc);
+							pstate->p_sourcetext, qc);
 
 		if (qc)
 			qc->commandTag = CMDTAG_SELECT;
diff --git a/src/backend/commands/matview.c b/src/backend/commands/matview.c
index 84245b65f7d..45a2a80181d 100644
--- a/src/backend/commands/matview.c
+++ b/src/backend/commands/matview.c
@@ -119,7 +119,7 @@ SetMatViewPopulatedState(Relation relation, bool newstate)
  */
 ObjectAddress
 ExecRefreshMatView(RefreshMatViewStmt *stmt, const char *queryString,
-				   ParamListInfo params, QueryCompletion *qc)
+				   QueryCompletion *qc)
 {
 	Oid			matviewOid;
 	LOCKMODE	lockmode;
@@ -136,7 +136,7 @@ ExecRefreshMatView(RefreshMatViewStmt *stmt, const char *queryString,
 										  NULL);
 
 	return RefreshMatViewByOid(matviewOid, stmt->skipData, stmt->concurrent,
-							   queryString, params, qc);
+							   queryString, qc);
 }
 
 /*
@@ -160,8 +160,7 @@ ExecRefreshMatView(RefreshMatViewStmt *stmt, const char *queryString,
  */
 ObjectAddress
 RefreshMatViewByOid(Oid matviewOid, bool skipData, bool concurrent,
-					const char *queryString, ParamListInfo params,
-					QueryCompletion *qc)
+					const char *queryString, QueryCompletion *qc)
 {
 	Relation	matviewRel;
 	RewriteRule *rule;
diff --git a/src/backend/tcop/utility.c b/src/backend/tcop/utility.c
index fa66b8017ed..702a6c3a0b0 100644
--- a/src/backend/tcop/utility.c
+++ b/src/backend/tcop/utility.c
@@ -1688,7 +1688,7 @@ ProcessUtilitySlow(ParseState *pstate,
 				PG_TRY(2);
 				{
 					address = ExecRefreshMatView((RefreshMatViewStmt *) parsetree,
-												 queryString, params, qc);
+												 queryString, qc);
 				}
 				PG_FINALLY(2);
 				{
diff --git a/src/include/commands/matview.h b/src/include/commands/matview.h
index a226b2e68fb..7916df30393 100644
--- a/src/include/commands/matview.h
+++ b/src/include/commands/matview.h
@@ -24,10 +24,9 @@
 extern void SetMatViewPopulatedState(Relation relation, bool newstate);
 
 extern ObjectAddress ExecRefreshMatView(RefreshMatViewStmt *stmt, const char *queryString,
-										ParamListInfo params, QueryCompletion *qc);
+										QueryCompletion *qc);
 extern ObjectAddress RefreshMatViewByOid(Oid matviewOid, bool skipData, bool concurrent,
-										 const char *queryString, ParamListInfo params,
-										 QueryCompletion *qc);
+										 const char *queryString, QueryCompletion *qc);
 
 extern DestReceiver *CreateTransientRelDestReceiver(Oid transientoid);