diff --git a/src/plasma/corona.cpp b/src/plasma/corona.cpp
index e462394e3..4791a54d2 100644
--- a/src/plasma/corona.cpp
+++ b/src/plasma/corona.cpp
@@ -213,16 +213,7 @@ QRegion Corona::availableScreenRegion(int id) const
 
 void Corona::loadDefaultLayout()
 {
-}
-
-void Corona::setPreferredToolBoxPlugin(const Plasma::ContainmentType type, const QString &plugin)
-{
-    d->toolBoxPlugins[type] = plugin;
-}
-
-QString Corona::preferredToolBoxPlugin(const Plasma::ContainmentType type) const
-{
-    return d->toolBoxPlugins.value(type);
+    //Default implementation does nothing
 }
 
 ImmutabilityType Corona::immutability() const
diff --git a/src/plasma/corona.h b/src/plasma/corona.h
index 9523375e9..b5077a25f 100644
--- a/src/plasma/corona.h
+++ b/src/plasma/corona.h
@@ -144,15 +144,6 @@ public:
      */
     QHash<QString, QString> defaultContainmentActionsPlugins(ContainmentType containmentType) const;
 
-    /**
-     * Returns the name of the preferred plugin to be used as containment toolboxes.
-     * CustomContainments and CustomPanelContainments can still override it as their liking. It's also not guaranteed that the plugin will actually exist.
-     *
-     * @param type the containment type of which we want to know the associated toolbox plugin
-     * @since 4.6
-     */
-    QString preferredToolBoxPlugin(const ContainmentType type) const;
-
     /**
      * Imports an applet layout from a config file. The results will be added to the
      * current set of Containments.
@@ -257,14 +248,6 @@ protected:
      **/
     virtual void loadDefaultLayout();
 
-    /**
-     * @return The preferred toolbox plugin name for a given containment type.
-     * @param type the containment type of which we want to know the preferred toolbox plugin.
-     * @param plugin the toolbox plugin name
-     * @since 4.6
-     */
-    void setPreferredToolBoxPlugin(const ContainmentType type, const QString &plugin);
-
 private:
     CoronaPrivate *const d;
 
diff --git a/src/plasma/private/corona_p.h b/src/plasma/private/corona_p.h
index bf8ab4093..000322491 100644
--- a/src/plasma/private/corona_p.h
+++ b/src/plasma/private/corona_p.h
@@ -63,7 +63,6 @@ public:
     QHash<uint, QGraphicsWidget*> offscreenWidgets;
     KActionCollection actions;
     QMap<Plasma::ContainmentType, QHash<QString, QString> > containmentActionsDefaults;
-    QHash<Plasma::ContainmentType, QString> toolBoxPlugins;
 };
 
 }