diff --git a/src/barchart/qbarseries.h b/src/barchart/qbarseries.h
index c099d1b..965ded3 100644
--- a/src/barchart/qbarseries.h
+++ b/src/barchart/qbarseries.h
@@ -63,7 +63,6 @@ protected:
 Q_SIGNALS:
     void clicked(QBarSet *barset, int index);
     void hovered(QBarSet* barset, bool status);
-    void visibleChanged();
     void labelsVisibleChanged();
 
     void barsetsAdded(QList<QBarSet*> sets);