diff --git a/os/ypsocks.c b/os/ypsocks.c
index fdf2a820e..c304d92b3 100755
--- a/os/ypsocks.c
+++ b/os/ypsocks.c
@@ -16,12 +16,7 @@
 *************************************************************************/
 
 
-#include "Yap.h"
-
-#include "Yatom.h"
-#include "YapHeap.h"
-#include "yapio.h"
-#include "iopreds.h"
+#include "sysbits.h"
 
 #if   HAVE_SOCKET