diff --git a/src/plugins/qmldesigner/components/itemlibrary/itemlibrarymodel.h b/src/plugins/qmldesigner/components/itemlibrary/itemlibrarymodel.h
index 73508e4c956..2d74bb13f93 100644
--- a/src/plugins/qmldesigner/components/itemlibrary/itemlibrarymodel.h
+++ b/src/plugins/qmldesigner/components/itemlibrary/itemlibrarymodel.h
@@ -82,7 +82,6 @@ signals:
     void qmlModelChanged();
     void searchTextChanged();
     void visibilityChanged();
-    void sectionVisibilityChanged(int changedSectionLibId);
 
 private: // functions
     void updateVisibility();