diff --git a/src/boxplotchart/qboxplotmodelmapper.cpp b/src/boxplotchart/qboxplotmodelmapper.cpp
index 98cf91f..eb9a8a1 100644
--- a/src/boxplotchart/qboxplotmodelmapper.cpp
+++ b/src/boxplotchart/qboxplotmodelmapper.cpp
@@ -437,47 +437,6 @@ void QBoxPlotModelMapperPrivate::boxSetsRemoved(QList<QBoxSet *> sets)
     initializeBoxFromModel();
 }
 
-void QBoxPlotModelMapperPrivate::valuesAdded(int index, int count)
-{
-    if (m_seriesSignalsBlock)
-        return;
-
-    if (m_count != -1)
-        m_count += count;
-
-    int boxSetIndex = m_boxSets.indexOf(qobject_cast<QBoxSet *>(QObject::sender()));
-
-    blockModelSignals();
-    if (m_orientation == Qt::Vertical)
-        m_model->insertRows(index + m_first, count);
-    else
-        m_model->insertColumns(index + m_first, count);
-
-    for (int j = index; j < index + count; j++)
-        m_model->setData(boxModelIndex(boxSetIndex + m_firstBoxSetSection, j), m_boxSets.at(boxSetIndex)->at(j));
-
-    blockModelSignals(false);
-    initializeBoxFromModel();
-}
-
-void QBoxPlotModelMapperPrivate::valuesRemoved(int index, int count)
-{
-    if (m_seriesSignalsBlock)
-        return;
-
-    if (m_count != -1)
-        m_count -= count;
-
-    blockModelSignals();
-    if (m_orientation == Qt::Vertical)
-        m_model->removeRows(index + m_first, count);
-    else
-        m_model->removeColumns(index + m_first, count);
-
-    blockModelSignals(false);
-    initializeBoxFromModel();
-}
-
 void QBoxPlotModelMapperPrivate::boxValueChanged(int index)
 {
     if (m_seriesSignalsBlock)
@@ -513,8 +472,6 @@ void QBoxPlotModelMapperPrivate::initializeBoxFromModel()
                 posInBar++;
                 boxIndex = boxModelIndex(i, posInBar);
             }
-            connect(boxSet, SIGNAL(valuesAdded(int,int)), this, SLOT(valuesAdded(int,int)));
-            connect(boxSet, SIGNAL(valuesRemoved(int,int)), this, SLOT(valuesRemoved(int,int)));
             connect(boxSet, SIGNAL(valueChanged(int)), this, SLOT(boxValueChanged(int)));
             m_series->append(boxSet);
             m_boxSets.append(boxSet);
diff --git a/src/boxplotchart/qboxplotmodelmapper_p.h b/src/boxplotchart/qboxplotmodelmapper_p.h
index bfeeb80..daeaaff 100644
--- a/src/boxplotchart/qboxplotmodelmapper_p.h
+++ b/src/boxplotchart/qboxplotmodelmapper_p.h
@@ -58,8 +58,6 @@ public Q_SLOTS:
     // for the series
     void boxSetsAdded(QList<QBoxSet *> sets);
     void boxSetsRemoved(QList<QBoxSet *> sets);
-    void valuesAdded(int index, int count);
-    void valuesRemoved(int index, int count);
     void boxValueChanged(int index);
     void handleSeriesDestroyed();
 
diff --git a/tests/boxplottester/mainwidget.cpp b/tests/boxplottester/mainwidget.cpp
index 25b5245..b8690a6 100644
--- a/tests/boxplottester/mainwidget.cpp
+++ b/tests/boxplottester/mainwidget.cpp
@@ -107,7 +107,7 @@ MainWidget::MainWidget(QWidget *parent) :
     initThemeCombo(grid);
     initCheckboxes(grid);
 
-    m_model = new CustomTableModel;
+    m_model = new CustomTableModel();
     QTableView *tableView = new QTableView;
     tableView->setModel(m_model);
     tableView->setMaximumWidth(200);