diff --git a/kcmkwin/kwinoptions/windows.cpp b/kcmkwin/kwinoptions/windows.cpp
index 59f998e4ad..4361b907cc 100644
--- a/kcmkwin/kwinoptions/windows.cpp
+++ b/kcmkwin/kwinoptions/windows.cpp
@@ -48,7 +48,6 @@
 #include <kdialog.h>
 #include <kglobal.h>
 #include <kprocess.h>
-#include <k3process.h>
 #include <QTabWidget>
 #include <QtDBus/QtDBus>