diff --git a/src/kitemviews/kfileitemmodel.cpp b/src/kitemviews/kfileitemmodel.cpp
index 62f0ec289..fd773e1e9 100644
--- a/src/kitemviews/kfileitemmodel.cpp
+++ b/src/kitemviews/kfileitemmodel.cpp
@@ -75,7 +75,6 @@ KFileItemModel::KFileItemModel(QObject* parent) :
     connect(m_dirLister, SIGNAL(itemsDeleted(KFileItemList)), this, SLOT(slotItemsDeleted(KFileItemList)));
     connect(m_dirLister, SIGNAL(refreshItems(QList<QPair<KFileItem,KFileItem> >)), this, SLOT(slotRefreshItems(QList<QPair<KFileItem,KFileItem> >)));
     connect(m_dirLister, SIGNAL(clear()), this, SLOT(slotClear()));
-    connect(m_dirLister, SIGNAL(clear(KUrl)), this, SLOT(slotClear(KUrl)));
     connect(m_dirLister, SIGNAL(infoMessage(QString)), this, SIGNAL(infoMessage(QString)));
     connect(m_dirLister, SIGNAL(errorMessage(QString)), this, SIGNAL(errorMessage(QString)));
     connect(m_dirLister, SIGNAL(redirection(KUrl,KUrl)), this, SIGNAL(directoryRedirection(KUrl,KUrl)));
@@ -1054,11 +1053,6 @@ void KFileItemModel::slotClear()
     m_expandedDirs.clear();
 }
 
-void KFileItemModel::slotClear(const KUrl& url)
-{
-    Q_UNUSED(url);
-}
-
 void KFileItemModel::slotNaturalSortingChanged()
 {
     m_naturalSorting = KGlobalSettings::naturalSorting();
diff --git a/src/kitemviews/kfileitemmodel.h b/src/kitemviews/kfileitemmodel.h
index 7cdc160ee..62a283d33 100644
--- a/src/kitemviews/kfileitemmodel.h
+++ b/src/kitemviews/kfileitemmodel.h
@@ -277,7 +277,6 @@ private slots:
     void slotItemsDeleted(const KFileItemList& items);
     void slotRefreshItems(const QList<QPair<KFileItem, KFileItem> >& items);
     void slotClear();
-    void slotClear(const KUrl& url);
     void slotNaturalSortingChanged();
 
     void dispatchPendingItemsToInsert();
diff --git a/src/views/versioncontrol/updateitemstatesthread.cpp b/src/views/versioncontrol/updateitemstatesthread.cpp
index 6bc389098..6457f607d 100644
--- a/src/views/versioncontrol/updateitemstatesthread.cpp
+++ b/src/views/versioncontrol/updateitemstatesthread.cpp
@@ -70,16 +70,6 @@ void UpdateItemStatesThread::run()
     }
 }
 
-bool UpdateItemStatesThread::lockPlugin()
-{
-    return m_globalPluginMutex->tryLock(300);
-}
-
-void UpdateItemStatesThread::unlockPlugin()
-{
-    m_globalPluginMutex->unlock();
-}
-
 QMap<QString, QVector<VersionControlObserver::ItemState> > UpdateItemStatesThread::itemStates() const
 {
     return m_itemStates;
diff --git a/src/views/versioncontrol/updateitemstatesthread.h b/src/views/versioncontrol/updateitemstatesthread.h
index 0e92a4cfd..5c6c6a208 100644
--- a/src/views/versioncontrol/updateitemstatesthread.h
+++ b/src/views/versioncontrol/updateitemstatesthread.h
@@ -50,19 +50,6 @@ public:
                            const QMap<QString, QVector<VersionControlObserver::ItemState> >& itemStates);
     virtual ~UpdateItemStatesThread();
 
-    /**
-     * Whenever the plugin is accessed by the thread creator, lockPlugin() must
-     * be invoked. True is returned, if the plugin could be locked within 300
-     * milliseconds.
-     */
-    bool lockPlugin();
-
-    /**
-     * Must be invoked if lockPlugin() returned true and plugin has been accessed
-     * by the thread creator.
-     */
-    void unlockPlugin();
-
     QMap<QString, QVector<VersionControlObserver::ItemState> > itemStates() const;
 
 protected: