diff --git a/src/include/catalog/partition.h b/src/include/catalog/partition.h
index 1f49e5d3a92..a53de2372e4 100644
--- a/src/include/catalog/partition.h
+++ b/src/include/catalog/partition.h
@@ -13,7 +13,6 @@
 #ifndef PARTITION_H
 #define PARTITION_H
 
-#include "fmgr.h"
 #include "partitioning/partdefs.h"
 #include "utils/relcache.h"