diff --git a/src/include/replication/walreceiver.h b/src/include/replication/walreceiver.h
index 04b439dc50..949e874f21 100644
--- a/src/include/replication/walreceiver.h
+++ b/src/include/replication/walreceiver.h
@@ -13,7 +13,6 @@
 #define _WALRECEIVER_H
 
 #include <netdb.h>
-#include <sys/socket.h>
 
 #include "access/xlog.h"
 #include "access/xlogdefs.h"