diff --git a/src/wmspec.c b/src/wmspec.c
index 2e10bc0f..6b33c327 100644
--- a/src/wmspec.c
+++ b/src/wmspec.c
@@ -32,7 +32,6 @@
 
 #include <X11/Xlib.h>
 #include <X11/Xatom.h>
-#include <X11/Xarch.h>
 #include <string.h>
 
 #include <WINGs/WUtil.h>