diff --git a/src/barchart/barchartitem.cpp b/src/barchart/barchartitem.cpp
index 13e85d5..27b51a7 100644
--- a/src/barchart/barchartitem.cpp
+++ b/src/barchart/barchartitem.cpp
@@ -38,7 +38,6 @@ BarChartItem::BarChartItem(QBarSeries *series, ChartPresenter *presenter) :
 {
     setFlag(ItemClipsChildrenToShape);
     connect(series->d_func(), SIGNAL(updatedBars()), this, SLOT(handleLayoutChanged()));
-    connect(series->d_func(), SIGNAL(restructuredBars()), this, SLOT(handleModelChanged()));
     connect(series->d_func(), SIGNAL(labelsVisibleChanged(bool)), this, SLOT(labelsVisibleChanged(bool)));
     setZValue(ChartPresenter::BarSeriesZValue);
     dataChanged();
@@ -168,12 +167,6 @@ void BarChartItem::setLayout(const QVector<QRectF> &layout)
 }
 //handlers
 
-void BarChartItem::handleModelChanged()
-{
-//    dataChanged();
-    presenter()->resetAllElements();
-}
-
 void BarChartItem::handleDomainChanged(qreal minX, qreal maxX, qreal minY, qreal maxY)
 {
     m_domainMinX = minX;
diff --git a/src/barchart/barchartitem_p.h b/src/barchart/barchartitem_p.h
index 1bfd2a0..3fe469b 100644
--- a/src/barchart/barchartitem_p.h
+++ b/src/barchart/barchartitem_p.h
@@ -63,7 +63,6 @@ public:
     QRectF geometry() const { return m_rect;}
 
 public Q_SLOTS:
-    void handleModelChanged();
     void handleDomainChanged(qreal minX, qreal maxX, qreal minY, qreal maxY);
     void handleGeometryChanged(const QRectF &size);
     void handleLayoutChanged();
diff --git a/src/barchart/qbarseries.cpp b/src/barchart/qbarseries.cpp
index f2ec941..e13df78 100644
--- a/src/barchart/qbarseries.cpp
+++ b/src/barchart/qbarseries.cpp
@@ -231,23 +231,6 @@ QBarSeriesPrivate::QBarSeriesPrivate(QBarSeries *q) :
 {
 }
 
-void QBarSeriesPrivate::setCategories(QStringList categories)
-{
-    m_categories = categories;
-}
-
-void QBarSeriesPrivate::insertCategory(int index, const QString category)
-{
-    m_categories.insert(index, category);
-    emit categoriesUpdated();
-}
-
-void QBarSeriesPrivate::removeCategory(int index)
-{
-    m_categories.removeAt(index);
-    emit categoriesUpdated();
-}
-
 int QBarSeriesPrivate::categoryCount() const
 {
     if (m_categories.count() > 0) {
@@ -490,7 +473,7 @@ bool QBarSeriesPrivate::append(QBarSet *set)
     if (m_dataset) {
         m_dataset->updateSeries(q);   // this notifies legend
     }
-    emit restructuredBars();      // this notifies barchartitem
+//    emit restructuredBars();      // this notifies barchartitem
     return true;
 }
 
@@ -506,7 +489,7 @@ bool QBarSeriesPrivate::remove(QBarSet *set)
     if (m_dataset) {
         m_dataset->updateSeries(q);   // this notifies legend
     }
-    emit restructuredBars();        // this notifies barchartitem
+//    emit restructuredBars();        // this notifies barchartitem
     return true;
 }
 
@@ -531,7 +514,7 @@ bool QBarSeriesPrivate::append(QList<QBarSet* > sets)
     if (m_dataset) {
         m_dataset->updateSeries(q);   // this notifies legend
     }
-    emit restructuredBars();        // this notifies barchartitem
+//    emit restructuredBars();        // this notifies barchartitem
     return true;
 }
 
@@ -551,7 +534,7 @@ bool QBarSeriesPrivate::remove(QList<QBarSet* > sets)
         if (m_dataset) {
             m_dataset->updateSeries(q);   // this notifies legend
         }
-        emit restructuredBars();        // this notifies barchartitem
+//        emit restructuredBars();        // this notifies barchartitem
     }
     return setsRemoved;
 }
diff --git a/src/barchart/qbarseries_p.h b/src/barchart/qbarseries_p.h
index b21d661..1edda81 100644
--- a/src/barchart/qbarseries_p.h
+++ b/src/barchart/qbarseries_p.h
@@ -45,9 +45,6 @@ class QBarSeriesPrivate : public QAbstractSeriesPrivate
 public:
     QBarSeriesPrivate(QBarSeries *parent);
     // TODO: refactor/remove private category stuff
-    void setCategories(QStringList categories);
-    void insertCategory(int index, const QString category);
-    void removeCategory(int index);
     int categoryCount() const;
     QStringList categories() const;
 
@@ -79,8 +76,8 @@ public:
 Q_SIGNALS:
     void clicked(QBarSet *barset, int index);
     void updatedBars();
-    void restructuredBars();
-    void categoriesUpdated();
+//    void restructuredBars();
+//    void categoriesUpdated();
     void labelsVisibleChanged(bool visible);
 
 private Q_SLOTS: