diff --git a/kcmkwin/kwinscreenedges/CMakeLists.txt b/kcmkwin/kwinscreenedges/CMakeLists.txt
index cecff7c4aa..a1245954b4 100644
--- a/kcmkwin/kwinscreenedges/CMakeLists.txt
+++ b/kcmkwin/kwinscreenedges/CMakeLists.txt
@@ -4,43 +4,10 @@ set(
     kcm_kwinscreenedges_PART_SRCS
     main.cpp
     monitor.cpp
-    ${KDEBASE_WORKSPACE_SOURCE_DIR}/kwin/compositingprefs.cpp
-    ${KDEBASE_WORKSPACE_SOURCE_DIR}/kwin/libkwineffects/kwinglobals.cpp
-    ${KDEBASE_WORKSPACE_SOURCE_DIR}/kwin/libkwineffects/kwinglplatform.cpp
     )
 kde4_add_ui_files( kcm_kwinscreenedges_PART_SRCS main.ui )
 kde4_add_plugin( kcm_kwinscreenedges ${kcm_kwinscreenedges_PART_SRCS} )
 target_link_libraries( kcm_kwinscreenedges ${X11_LIBRARIES} kworkspace ${KDE4_PLASMA_LIBS})
 install( TARGETS kcm_kwinscreenedges  DESTINATION ${PLUGIN_INSTALL_DIR} )
 
-# CompositingPrefs uses OpenGL
-if( OPENGL_FOUND )
-  target_link_libraries( kcm_kwinscreenedges kwinglutils ${OPENGL_gl_LIBRARY} )
-  set_target_properties(kcm_kwinscreenedges PROPERTIES COMPILE_FLAGS -DKWIN_HAVE_OPENGL)
-# -ldl used by OpenGL code
-  find_library( DL_LIBRARY dl )
-  if( DL_LIBRARY )
-    target_link_libraries( kcm_kwinscreenedges ${DL_LIBRARY} )
-  endif( DL_LIBRARY )
-endif( OPENGL_FOUND )
-if(OPENGLES_FOUND)
-  target_link_libraries(kcm_kwinscreenedges kwinglesutils ${OPENGLES_LIBRARIES})
-  set_target_properties(kcm_kwinscreenedges PROPERTIES COMPILE_FLAGS "-DKWIN_HAVE_OPENGL -DKWIN_HAVE_OPENGLES")
-endif(OPENGLES_FOUND)
-if( X11_Xrender_FOUND )
-  target_link_libraries( kcm_kwinscreenedges ${X11_Xrender_LIB} )
-endif( X11_Xrender_FOUND )
-if( X11_Xrandr_FOUND )
-  target_link_libraries( kcm_kwinscreenedges ${X11_Xrandr_LIB} )
-endif( X11_Xrandr_FOUND )
-if( X11_Xcomposite_FOUND )
-  target_link_libraries( kcm_kwinscreenedges ${X11_Xcomposite_LIB} )
-endif( X11_Xcomposite_FOUND )
-if( X11_Xdamage_FOUND )
-  target_link_libraries( kcm_kwinscreenedges ${X11_Xdamage_LIB} )
-endif( X11_Xdamage_FOUND )
-if( X11_Xfixes_FOUND )
-  target_link_libraries( kcm_kwinscreenedges ${X11_Xfixes_LIB} )
-endif( X11_Xfixes_FOUND )
-
 install( FILES kwinscreenedges.desktop  DESTINATION  ${SERVICES_INSTALL_DIR} )
diff --git a/kcmkwin/kwinscreenedges/main.cpp b/kcmkwin/kwinscreenedges/main.cpp
index 9f56b362f0..2f463c7d7c 100644
--- a/kcmkwin/kwinscreenedges/main.cpp
+++ b/kcmkwin/kwinscreenedges/main.cpp
@@ -64,7 +64,6 @@ KWinScreenEdgesConfig::KWinScreenEdgesConfig(QWidget* parent, const QVariantList
     connect(m_ui->quickMaximizeBox, SIGNAL(stateChanged(int)), this, SLOT(groupChanged()));
     connect(m_ui->quickTileBox, SIGNAL(stateChanged(int)), this, SLOT(groupChanged()));
 
-    m_defaultPrefs.detect(); // Driver-specific config detection
     load();
 }
 
@@ -412,7 +411,7 @@ void KWinScreenEdgesConfig::monitorShowEvent()
 {
     // Check if they are enabled
     KConfigGroup config(m_config, "Compositing");
-    if (config.readEntry("Enabled", m_defaultPrefs.recommendCompositing())) {
+    if (config.readEntry("Enabled", true)) {
         // Compositing enabled
         config = KConfigGroup(m_config, "Plugins");
 
diff --git a/kcmkwin/kwinscreenedges/main.h b/kcmkwin/kwinscreenedges/main.h
index c69b213df6..d2e9a24671 100644
--- a/kcmkwin/kwinscreenedges/main.h
+++ b/kcmkwin/kwinscreenedges/main.h
@@ -25,7 +25,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 #include <ksharedconfig.h>
 
 #include "kwinglobals.h"
-#include "compositingprefs.h"
 
 #include "ui_main.h"
 
@@ -61,7 +60,6 @@ protected:
 private:
     KWinScreenEdgesConfigForm* m_ui;
     KSharedConfigPtr m_config;
-    CompositingPrefs m_defaultPrefs;
 
     enum EffectActions {
         PresentWindowsAll = ELECTRIC_ACTION_COUNT, // Start at the end of built in actions