diff --git a/kcmkwin/kwincompositing/main.cpp b/kcmkwin/kwincompositing/main.cpp
index eb6542dd02..bac3e43792 100644
--- a/kcmkwin/kwincompositing/main.cpp
+++ b/kcmkwin/kwincompositing/main.cpp
@@ -114,7 +114,6 @@ KWinCompositingConfig::KWinCompositingConfig(QWidget *parent, const QVariantList
     connect(ui.desktopSwitchingCombo, SIGNAL(currentIndexChanged(int)), this, SLOT(changed()));
     connect(ui.animationSpeedCombo, SIGNAL(currentIndexChanged(int)), this, SLOT(changed()));
 
-    connect(ui.compositingType, SIGNAL(currentIndexChanged(int)), this, SLOT(compositingModeChanged()));
     connect(ui.compositingType, SIGNAL(currentIndexChanged(int)), this, SLOT(changed()));
     connect(ui.windowThumbnails, SIGNAL(activated(int)), this, SLOT(changed()));
     connect(ui.disableChecks, SIGNAL(toggled(bool)), this, SLOT(changed()));