diff --git a/KWinInterface.h b/KWinInterface.h
deleted file mode 100644
index d368ec3685..0000000000
--- a/KWinInterface.h
+++ /dev/null
@@ -1,42 +0,0 @@
-#ifndef KWIN_INTERFACE_H
-#define KWIN_INTERFACE_H
-
-#include <dcopobject.h>
-
-class KWinInterface : virtual public DCOPObject
-    {
-    K_DCOP
-
-    k_dcop:
-
-    virtual ASYNC cascadeDesktop() = 0;
-    virtual ASYNC unclutterDesktop() = 0;
-    virtual ASYNC reconfigure() = 0;
-    virtual ASYNC killWindow() = 0;
-    virtual void refresh() = 0;
-    virtual void doNotManage(QString)= 0;
-    virtual void showWindowMenuAt(unsigned long winId, int x, int y)= 0;
-    virtual void setDesktopLayout(int orientation, int x, int y)= 0;
-    virtual bool setCurrentDesktop(int)= 0;
-    virtual int currentDesktop() const = 0;
-    virtual void nextDesktop() = 0;
-    virtual void previousDesktop() = 0;
-    virtual void circulateDesktopApplications() = 0;
-    // kompmgr stuff
-    virtual void startKompmgr() = 0;
-    virtual void stopKompmgr() = 0;
-    virtual bool kompmgrIsRunning() = 0;
-    virtual void setOpacity(unsigned long winId, unsigned int opacityPercent) = 0;
-    virtual void setShadowSize(unsigned long winId, unsigned int shadowSizePercent) = 0;
-    virtual void setUnshadowed(unsigned long winId) = 0;
-
-    k_dcop_signals:
-    
-    virtual void kompmgrStarted() = 0;
-    virtual void kompmgrStopped() = 0;
-
-    // never emitted  
-    virtual void dcopResetAllClients();
-    };
-
-#endif