diff --git a/kcmkwin/kwindecoration/CMakeLists.txt b/kcmkwin/kwindecoration/CMakeLists.txt
index b00f1587ca..622484c96f 100644
--- a/kcmkwin/kwindecoration/CMakeLists.txt
+++ b/kcmkwin/kwindecoration/CMakeLists.txt
@@ -3,7 +3,7 @@ include_directories( ${CMAKE_SOURCE_DIR}/workspace/kwin/lib  )
 
 ########### next target ###############
 
-set(kcm_kwindecoration_PART_SRCS kwindecorationadaptor.cpp kwindecoration.cpp buttons.cpp preview.cpp )
+set(kcm_kwindecoration_PART_SRCS kwindecoration.cpp buttons.cpp preview.cpp )
 
 kde4_automoc(${kcm_kwindecoration_PART_SRCS})
 
diff --git a/kcmkwin/kwindecoration/kwindecoration.cpp b/kcmkwin/kwindecoration/kwindecoration.cpp
index c333764623..96652480ff 100644
--- a/kcmkwin/kwindecoration/kwindecoration.cpp
+++ b/kcmkwin/kwindecoration/kwindecoration.cpp
@@ -62,8 +62,6 @@
 #include <kdecoration_plugins_p.h>
 #include <kdecorationfactory.h>
 #include <kvbox.h>
-#include "kwindecorationadaptor.h"
-#include <QtDBus/QtDBus>
 
 // KCModule plugin interface
 // =========================
@@ -75,8 +73,6 @@ KWinDecorationModule::KWinDecorationModule(QWidget* parent, const QStringList &)
           kwinConfig("kwinrc"),
           pluginObject(0)
 {
-    new DecorationAdaptor(this);
-    QDBusConnection::sessionBus().registerObject("/KWinClientDecoration", this);
     kwinConfig.setGroup("Style");
         plugins = new KDecorationPreviewPlugins( &kwinConfig );
 
diff --git a/kcmkwin/kwindecoration/kwindecorationadaptor.cpp b/kcmkwin/kwindecoration/kwindecorationadaptor.cpp
deleted file mode 100644
index d7cf4ea360..0000000000
--- a/kcmkwin/kwindecoration/kwindecorationadaptor.cpp
+++ /dev/null
@@ -1,45 +0,0 @@
-/*
- * This file was generated by dbusidl2cpp version 0.5
- * when processing input file org.kde.kwin.Decoration.xml
- *
- * dbusidl2cpp is Copyright (C) 2006 Trolltech AS. All rights reserved.
- *
- * This is an auto-generated file.
- */
-
-#include "kwindecorationadaptor.h"
-#include <QtCore/QMetaObject>
-#include <QtCore/QByteArray>
-#include <QtCore/QList>
-#include <QtCore/QMap>
-#include <QtCore/QString>
-#include <QtCore/QStringList>
-#include <QtCore/QVariant>
-
-/*
- * Implementation of adaptor class DecorationAdaptor
- */
-
-DecorationAdaptor::DecorationAdaptor(QObject *parent)
-   : QDBusAbstractAdaptor(parent)
-{
-    // constructor
-    setAutoRelaySignals(true);
-}
-
-DecorationAdaptor::~DecorationAdaptor()
-{
-    // destructor
-}
-
-void DecorationAdaptor::dcopUpdateClientList()
-{
-    // handle method call org.kde.kwin.Decoration.dcopUpdateClientList
-    QMetaObject::invokeMethod(parent(), "dcopUpdateClientList");
-
-    // Alternative:
-    //static_cast<YourObjectType *>(parent())->dcopUpdateClientList();
-}
-
-
-#include "kwindecorationadaptor.moc"
diff --git a/kcmkwin/kwindecoration/kwindecorationadaptor.h b/kcmkwin/kwindecoration/kwindecorationadaptor.h
deleted file mode 100644
index fa0859871d..0000000000
--- a/kcmkwin/kwindecoration/kwindecorationadaptor.h
+++ /dev/null
@@ -1,44 +0,0 @@
-/*
- * This file was generated by dbusidl2cpp version 0.5
- * when processing input file org.kde.kwin.Decoration.xml
- *
- * dbusidl2cpp is Copyright (C) 2006 Trolltech AS. All rights reserved.
- *
- * This is an auto-generated file.
- */
-
-#ifndef KWINDECORATIONADAPTOR_H_55611149668415
-#define KWINDECORATIONADAPTOR_H_55611149668415
-
-#include <QtCore/QObject>
-#include <QtDBus/QtDBus>
-class QByteArray;
-template<class T> class QList;
-template<class Key, class Value> class QMap;
-class QString;
-class QStringList;
-class QVariant;
-
-/*
- * Adaptor class for interface org.kde.kwin.Decoration
- */
-class DecorationAdaptor: public QDBusAbstractAdaptor
-{
-    Q_OBJECT
-    Q_CLASSINFO("D-Bus Interface", "org.kde.kwin.Decoration")
-    Q_CLASSINFO("D-Bus Introspection", ""
-"  <interface name=\"org.kde.kwin.Decoration\" >\n"
-"    <method name=\"dcopUpdateClientList\" />\n"
-"  </interface>\n"
-        "")
-public:
-    DecorationAdaptor(QObject *parent);
-    virtual ~DecorationAdaptor();
-
-public: // PROPERTIES
-public Q_SLOTS: // METHODS
-    void dcopUpdateClientList();
-Q_SIGNALS: // SIGNALS
-};
-
-#endif
diff --git a/kcmkwin/kwindecoration/org.kde.kwin.Decoration.xml b/kcmkwin/kwindecoration/org.kde.kwin.Decoration.xml
deleted file mode 100644
index b34ed58271..0000000000
--- a/kcmkwin/kwindecoration/org.kde.kwin.Decoration.xml
+++ /dev/null
@@ -1,7 +0,0 @@
-<!DOCTYPE node PUBLIC "-//freedesktop//DTD D-BUS Object Introspection 1.0//EN"
-"http://www.freedesktop.org/standards/dbus/1.0/introspect.dtd">
-<node>
-  <interface name="org.kde.kwin.Decoration">
-    <method name="dcopUpdateClientList"/>
-  </interface>
-</node>