--- a/src/backend/commands/matview.c
+++ b/src/backend/commands/matview.c
@@ -26,6 +26,7 @@
 #include "catalog/pg_depend.h"
 #include "catalog/pg_trigger.h"
 #include "catalog/pg_opclass.h"
+#include "commands/defrem.h"
 #include "commands/matview.h"
 #include "commands/repack.h"
 #include "commands/tablecmds.h"
@@ -36,6 +37,7 @@
 #include "executor/tstoreReceiver.h"
 #include "miscadmin.h"
 #include "nodes/makefuncs.h"
+#include "optimizer/optimizer.h"
 #include "parser/analyze.h"
 #include "parser/parse_clause.h"
 #include "parser/parse_func.h"
@@ -152,6 +154,13 @@ IvmShmemRequest(void *arg)