diff --git a/src/include/storage/smgr.h b/src/include/storage/smgr.h
index 820d08ed4ed..4d60b28dac3 100644
--- a/src/include/storage/smgr.h
+++ b/src/include/storage/smgr.h
@@ -14,7 +14,6 @@
 #ifndef SMGR_H
 #define SMGR_H
 
-#include "fmgr.h"
 #include "storage/block.h"
 #include "storage/relfilenode.h"