diff --git a/lib/kwinglutils.cpp b/lib/kwinglutils.cpp
index f8c3f7c469..0d3efa9d91 100644
--- a/lib/kwinglutils.cpp
+++ b/lib/kwinglutils.cpp
@@ -1298,13 +1298,13 @@ void GLVertexBufferPrivate::corePainting( const QRegion& region, GLenum primitiv
 
     // TODO: reenable paint clipper
     // Clip using scissoring
-    /*PaintClipper pc( region );
+    PaintClipper pc( region );
     for( PaintClipper::Iterator iterator;
         !iterator.isDone();
         iterator.next())
-        {*/
+        {
         glDrawArrays( primitiveMode, 0, numberVertices );
-        //}
+        }
 
     glBindBuffer( GL_ARRAY_BUFFER, 0 );
 
diff --git a/scene_opengl_egl.cpp b/scene_opengl_egl.cpp
index 18c83ff543..febc7a28c6 100644
--- a/scene_opengl_egl.cpp
+++ b/scene_opengl_egl.cpp
@@ -229,8 +229,8 @@ void SceneOpenGL::paintGenericScreen( int mask, ScreenPaintData data )
 void SceneOpenGL::paintBackground( QRegion region )
     {
     // TODO: implement me
-    glClearColor(0, 0, 0, 1);
-    glClear(GL_COLOR_BUFFER_BIT);
+    //glClearColor(0, 0, 0, 1);
+    //glClear(GL_COLOR_BUFFER_BIT);
     }
 
 //****************************************