diff --git a/effects.cpp b/effects.cpp
index 53d63be7f4..3e28ee5da2 100644
--- a/effects.cpp
+++ b/effects.cpp
@@ -1697,7 +1697,9 @@ EffectFrameImpl::EffectFrameImpl( EffectFrameStyle style, bool staticSize, QPoin
 
     if( effects->compositingType() == OpenGLCompositing )
         {
+#ifdef KWIN_HAVE_OPENGL_COMPOSITING
         m_sceneFrame = new SceneOpenGL::EffectFrame( this );
+#endif
         }
     else if( effects->compositingType() == XRenderCompositing )
         {
diff --git a/lanczosfilter.h b/lanczosfilter.h
index 1f7a5ef06a..b383918405 100644
--- a/lanczosfilter.h
+++ b/lanczosfilter.h
@@ -38,7 +38,9 @@ class WindowPaintData;
 class GLTexture;
 class GLRenderTarget;
 class GLShader;
+#ifdef KWIN_HAVE_OPENGL_COMPOSITING
 class LanczosShader;
+#endif
 
 class LanczosFilter
     : public QObject
@@ -55,11 +57,11 @@ class LanczosFilter
     private:
         void init();
         void updateOffscreenSurfaces();
-#ifdef KWIN_HAVE_OPENGL_COMPOSITING
         void prepareRenderStates( GLTexture* tex, double opacity, double brightness, double saturation );
         void restoreRenderStates( GLTexture* tex, double opacity, double brightness, double saturation );
         GLTexture *m_offscreenTex;
         GLRenderTarget *m_offscreenTarget;
+#ifdef KWIN_HAVE_OPENGL_COMPOSITING
         LanczosShader *m_shader;
 #endif
         QBasicTimer m_timer;