diff --git a/plasma/applet.cpp b/plasma/applet.cpp
index 52dce9dac..55bdb7dc3 100644
--- a/plasma/applet.cpp
+++ b/plasma/applet.cpp
@@ -931,16 +931,6 @@ bool Applet::hasValidAssociatedApplication() const
     return AssociatedApplicationManager::self()->appletHasValidAssociatedApplication(this);
 }
 
-void Applet::setCustomCategories(const QStringList &categories)
-{
-    AppletPrivate::s_customCategories = QSet<QString>::fromList(categories);
-}
-
-QStringList Applet::customCategories() const
-{
-    return AppletPrivate::s_customCategories.toList();
-}
-
 Applet *Applet::loadPlasmoid(const QString &path, uint appletId, const QVariantList &args)
 {
     if (QFile::exists(path + "/metadata.desktop")) {
diff --git a/plasma/applet.h b/plasma/applet.h
index f94b05522..83a1406a4 100644
--- a/plasma/applet.h
+++ b/plasma/applet.h
@@ -267,20 +267,6 @@ class PLASMA_EXPORT Applet : public QObject
          */
         void setTitle(const QString &title) const;
 
-        /**
-         * Sets the list of custom categories that are used in addition to the default
-         * set of categories known to libplasma for Applets.
-         * @param categories a list of categories
-         * @since 4.3
-         */
-        void setCustomCategories(const QStringList &categories);
-
-        /**
-         * @return the list of custom categories known to libplasma
-         * @since 4.3
-         */
-        QStringList customCategories() const;
-
         /**
          * Attempts to load an applet from a package
          *
diff --git a/plasma/pluginloader.cpp b/plasma/pluginloader.cpp
index 1493d2a5c..a5c6862ce 100644
--- a/plasma/pluginloader.cpp
+++ b/plasma/pluginloader.cpp
@@ -499,6 +499,16 @@ QStringList PluginLoader::listAppletCategories(const QString &parentApp, bool vi
     return categories;
 }
 
+void PluginLoader::setCustomAppletCategories(const QStringList &categories)
+{
+    AppletPrivate::s_customCategories = QSet<QString>::fromList(categories);
+}
+
+QStringList PluginLoader::customAppletCategories() const
+{
+    return AppletPrivate::s_customCategories.toList();
+}
+
 
 KPluginInfo::List PluginLoader::listDataEngineInfo(const QString &parentApp)
 {
diff --git a/plasma/pluginloader.h b/plasma/pluginloader.h
index 9b28bf01a..4536a4ac4 100644
--- a/plasma/pluginloader.h
+++ b/plasma/pluginloader.h
@@ -164,6 +164,20 @@ public:
     QStringList listAppletCategories(const QString &parentApp = QString(),
                                      bool visibleOnly = true);
 
+    /**
+     * Sets the list of custom categories that are used in addition to the default
+     * set of categories known to libplasma for Applets.
+     * @param categories a list of categories
+     * @since 4.3
+     */
+    void setCustomAppletCategories(const QStringList &categories);
+
+    /**
+     * @return the list of custom categories known to libplasma
+     * @since 4.3
+     */
+    QStringList customAppletCategories() const;
+
     /**
      * Returns a list of all known DataEngines.
      *