diff --git a/corona.cpp b/corona.cpp
index 5741f5288..1f601da13 100644
--- a/corona.cpp
+++ b/corona.cpp
@@ -273,8 +273,8 @@ void Corona::loadLayout(const QString &configName)
         d->configName = configName;
     }
 
-    KSharedConfigPtr conf = config();
-    d->importLayout(*conf, false);
+    KConfigGroup conf(config(), QString());
+    d->importLayout(conf, false);
 }
 
 QList<Plasma::Containment *> Corona::importLayout(const KConfigGroup &conf)
@@ -282,13 +282,6 @@ QList<Plasma::Containment *> Corona::importLayout(const KConfigGroup &conf)
     return d->importLayout(conf, true);
 }
 
-#ifndef KDE_NO_DEPRECATED
-QList<Plasma::Containment *> Corona::importLayout(const KConfigBase &conf)
-{
-    return d->importLayout(conf, true);
-}
-#endif
-
 Containment *Corona::containmentForScreen(int screen, int desktop) const
 {
     foreach (Containment *containment, d->containments) {
@@ -985,12 +978,10 @@ Containment *CoronaPrivate::addContainment(const QString &name, const QVariantLi
     return containment;
 }
 
-QList<Plasma::Containment *> CoronaPrivate::importLayout(const KConfigBase &conf, bool mergeConfig)
+QList<Plasma::Containment *> CoronaPrivate::importLayout(const KConfigGroup &conf, bool mergeConfig)
 {
-    if (const KConfigGroup *group = dynamic_cast<const KConfigGroup *>(&conf)) {
-        if (!group->isValid()) {
-            return QList<Containment *>();
-        }
+    if (!conf.isValid()) {
+        return QList<Containment *>();
     }
 
     QList<Plasma::Containment *> newContainments;
diff --git a/corona.h b/corona.h
index fe963dfad..16725a53f 100644
--- a/corona.h
+++ b/corona.h
@@ -275,20 +275,6 @@ public:
      */
     AbstractDialogManager *dialogManager();
 
-    /**
-     * Imports an applet layout from a config file. The results will be added to the
-     * current set of Containments.
-     * @deprecated Use the 4.6 version that takes a KConfigGroup
-     *
-     * @param config the name of the config file to load from,
-     *               or the default config file if QString()
-     * @return the list of containments that were loaded
-     * @since 4.5
-     */
-#ifndef KDE_NO_DEPRECATED
-    KDE_DEPRECATED QList<Plasma::Containment *> importLayout(const KConfigBase &config);
-#endif
-
     /**
      * 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.
diff --git a/private/corona_p.h b/private/corona_p.h
index 5749c28b8..9a2a84031 100644
--- a/private/corona_p.h
+++ b/private/corona_p.h
@@ -46,7 +46,7 @@ public:
     void syncConfig();
     Containment *addContainment(const QString &name, const QVariantList &args, uint id, bool delayedInit);
     void offscreenWidgetDestroyed(QObject *);
-    QList<Plasma::Containment *> importLayout(const KConfigBase &conf, bool mergeConfig);
+    QList<Plasma::Containment *> importLayout(const KConfigGroup &conf, bool mergeConfig);
 
     static bool s_positioningContainments;