diff --git a/kcmkwin/kwincompositing/model.cpp b/kcmkwin/kwincompositing/model.cpp
index 20dd0c095b..d04adeed31 100644
--- a/kcmkwin/kwincompositing/model.cpp
+++ b/kcmkwin/kwincompositing/model.cpp
@@ -310,25 +310,6 @@ void EffectModel::syncConfig()
     syncEffectsToKWin();
 }
 
-void EffectModel::enableWidnowManagement(bool enabled)
-{
-    //Make sure that our effects are being installed properly
-    if (m_effectsList.size() <= 0)
-        return;
-
-    int desktopGridRow = findRowByServiceName("kwin4_effect_desktopgrid");
-    const QModelIndex desktopGridIndex = createIndex(desktopGridRow, 0);
-    setData(desktopGridIndex, enabled, EffectModel::WindowManagementRole);
-
-    int dialogParentRow = findRowByServiceName("kwin4_effect_dialogparent");
-    const QModelIndex dialogParentIndex = createIndex(dialogParentRow, 0);
-    setData(dialogParentIndex, enabled, EffectModel::WindowManagementRole);
-
-    int presentWindowsRow = findRowByServiceName("kwin4_effect_presentwindows");
-    const QModelIndex presentWindowsIndex = createIndex(presentWindowsRow, 0);
-    setData(presentWindowsIndex, enabled, EffectModel::WindowManagementRole);
-}
-
 void EffectModel::defaults()
 {
     for (int i = 0; i < m_effectsList.count(); ++i) {
@@ -423,11 +404,6 @@ void EffectFilterModel::syncConfig()
     m_effectModel->syncConfig();
 }
 
-void EffectFilterModel::enableWidnowManagement(bool enabled)
-{
-    m_effectModel->enableWidnowManagement(enabled);
-}
-
 void EffectFilterModel::load()
 {
     m_effectModel->loadEffects();
diff --git a/kcmkwin/kwincompositing/model.h b/kcmkwin/kwincompositing/model.h
index 04f3e7550d..7bb9812fcb 100644
--- a/kcmkwin/kwincompositing/model.h
+++ b/kcmkwin/kwincompositing/model.h
@@ -87,7 +87,6 @@ public:
     void updateEffectStatus(const QModelIndex &rowIndex, bool effectState);
     void syncEffectsToKWin();
     void syncConfig();
-    void enableWidnowManagement(bool enabled);
     void loadEffects();
     void defaults();
 
@@ -143,7 +142,6 @@ public:
 
     Q_INVOKABLE void updateEffectStatus(int rowIndex, bool effectState);
     Q_INVOKABLE void syncConfig();
-    Q_INVOKABLE void enableWidnowManagement(bool enabled);
     Q_INVOKABLE void load();
 
     QColor backgroundActiveColor() { return KColorScheme(QPalette::Active, KColorScheme::Selection, KSharedConfigPtr(0)).background(KColorScheme::LinkBackground).color(); };
diff --git a/kcmkwin/kwincompositing/qml/Effect.qml b/kcmkwin/kwincompositing/qml/Effect.qml
index d26464345c..68b409d85c 100644
--- a/kcmkwin/kwincompositing/qml/Effect.qml
+++ b/kcmkwin/kwincompositing/qml/Effect.qml
@@ -73,22 +73,7 @@ Rectangle {
         }
 
         CheckBox {
-            function isWindowManagementEnabled() {
-                if (model.ServiceNameRole == "kwin4_effect_dialogparent") {
-                    windowManagementEnabled = effectStatusCheckBox.checked;
-                    return windowManagementEnabled = effectStatusCheckBox.checked && windowManagementEnabled;
-                } else if (model.ServiceNameRole == "kwin4_effect_desktopgrid") {
-                    windowManagementEnabled = effectStatusCheckBox.checked;
-                    return windowManagementEnabled = effectStatusCheckBox.checked && windowManagementEnabled;
-                } else if (model.ServiceNameRole == "kwin4_effect_presentwindows") {
-                    windowManagementEnabled = effectStatusCheckBox.checked;
-                    return windowManagementEnabled = effectStatusCheckBox.checked && windowManagementEnabled;
-                }
-                return windowManagementEnabled;
-            }
-
             id: effectStatusCheckBox
-            property bool windowManagementEnabled;
             checked: model.EffectStatusRole
             visible: model.ExclusiveRole == ""