diff --git a/libtaskmanager/virtualdesktopinfo.h b/libtaskmanager/virtualdesktopinfo.h
--- a/libtaskmanager/virtualdesktopinfo.h
+++ b/libtaskmanager/virtualdesktopinfo.h
@@ -25,8 +25,6 @@
 
 #include "taskmanager_export.h"
 
-#include <config-X11.h>
-
 namespace TaskManager
 {