diff --git a/src/api/pluginmodel.h b/src/api/pluginmodel.h
index 27b6eb6b224b7c759095f724f2fa5f7567e0debe..bf99c87fd04c3bad2cd8dcba90acc72b60162006 100644
--- a/src/api/pluginmodel.h
+++ b/src/api/pluginmodel.h
@@ -158,19 +158,10 @@ public:
     Q_INVOKABLE MapStringString getPluginPreferencesValues(const QString& path);
 
     /**
-     * Reset preferences values of installed plugin to default values
+     * Reste preferences values of installed plugin to default values
      * @return true if preference was succesfully reset
      */
     Q_INVOKABLE bool resetPluginPreferencesValues(const QString& path);
-
-    /**
-     * Add a possible value to a preference that can be edited by the user
-     * the only possibility at the moment is USERLIST option
-     * @return if addition was successfull
-     */
-    Q_INVOKABLE bool addValueToPreference(const QString& pluginId,
-                                          const QString& preferenceKey,
-                                          const QString& value);
 };
 
 } // namespace api
diff --git a/src/pluginmodel.cpp b/src/pluginmodel.cpp
index 07d500a1afe59f6c3581168868adb829da6977b8..f02fe6a32df1ff0ccca06b1e1501f48400689af9 100644
--- a/src/pluginmodel.cpp
+++ b/src/pluginmodel.cpp
@@ -187,14 +187,6 @@ PluginModel::resetPluginPreferencesValues(const QString& path)
     return PluginManager::instance().resetPluginPreferencesValues(path);
 }
 
-bool
-PluginModel::addValueToPreference(const QString& pluginId,
-                                  const QString& preferenceKey,
-                                  const QString& value)
-{
-    return PluginManager::instance().addValueToPreference(pluginId, preferenceKey, value);
-}
-
 } // namespace lrc
 
 #include "api/moc_pluginmodel.cpp"
diff --git a/src/qtwrapper/pluginmanager.cpp b/src/qtwrapper/pluginmanager.cpp
index 51b62084f2620ca63b827cb47a0df2b5c1f95b71..51ff960cb97c29643a72b73993f1ccaf49ad04f3 100644
--- a/src/qtwrapper/pluginmanager.cpp
+++ b/src/qtwrapper/pluginmanager.cpp
@@ -124,13 +124,3 @@ PluginManagerInterface::resetPluginPreferencesValues(const QString& path)
 {
     return DRing::resetPluginPreferencesValues(path.toStdString());
 }
-
-bool
-PluginManagerInterface::addValueToPreference(const QString& pluginId,
-                                           const QString& preferenceKey,
-                                           const QString& value)
-{
-    return DRing::addValueToPreference(pluginId.toStdString(),
-                                       preferenceKey.toStdString(),
-                                       value.toStdString());
-}
diff --git a/src/qtwrapper/pluginmanager_wrap.h b/src/qtwrapper/pluginmanager_wrap.h
index f1ee3b8283ee108ced0a4c29fe307a493cb7b615..e0a755127983f888f45f7c39e97486e6e6ab14cd 100644
--- a/src/qtwrapper/pluginmanager_wrap.h
+++ b/src/qtwrapper/pluginmanager_wrap.h
@@ -79,10 +79,6 @@ public Q_SLOTS: // METHODS
     MapStringString getPluginPreferencesValues(const QString& path);
 
     bool resetPluginPreferencesValues(const QString& path);
-
-    bool addValueToPreference(const QString& pluginId,
-                              const QString& preferenceKey,
-                              const QString& value);
 };
 
 namespace org {