diff --git a/src/include/storage/proc.h b/src/include/storage/proc.h
index 8b09b2af642f873340fa072cef5a9a0cfe57f929..07e36a1428261bf4d0760f35be5da2d5af8bd848 100644
--- a/src/include/storage/proc.h
+++ b/src/include/storage/proc.h
@@ -15,7 +15,6 @@
 #define _PROC_H_
 
 #include "access/xlog.h"
-#include "replication/syncrep.h"
 #include "storage/latch.h"
 #include "storage/lock.h"
 #include "storage/pg_sema.h"