diff --git a/src/piechart/qpieseries.cpp b/src/piechart/qpieseries.cpp
index 1f0c7f3..5e9899b 100644
--- a/src/piechart/qpieseries.cpp
+++ b/src/piechart/qpieseries.cpp
@@ -439,8 +439,15 @@ void QPieSeries::setModel(QAbstractItemModel* model)
     if(model)
     {
         d->m_model = model;
+        // connect signals from the model
+        connect(d->m_model, SIGNAL(dataChanged(QModelIndex,QModelIndex)), d, SLOT(modelUpdated(QModelIndex,QModelIndex)));
+        connect(d->m_model, SIGNAL(rowsInserted(QModelIndex,int,int)), d, SLOT(modelRowsAdded(QModelIndex,int,int)));
+        connect(d->m_model, SIGNAL(rowsRemoved(QModelIndex,int,int)), d, SLOT(modelRowsRemoved(QModelIndex,int,int)));
+        connect(d->m_model, SIGNAL(columnsInserted(QModelIndex,int,int)), d, SLOT(modelColumnsAdded(QModelIndex,int,int)));
+        connect(d->m_model, SIGNAL(columnsRemoved(QModelIndex,int,int)), d, SLOT(modelColumnsRemoved(QModelIndex,int,int)));
+
         if (d->m_mapper)
-            d->setMapping();
+            d->initializePieFromModel();
     }
     else
     {
@@ -458,8 +465,11 @@ void QPieSeries::setModelMapper(QPieModelMapper *mapper)
 
     if (mapper) {
         d->m_mapper = mapper;
+        // connect the signal from the mapper
+        connect(d->m_mapper, SIGNAL(updated()), d, SLOT(initializePieFromModel()));
+
         if (d->m_model)
-            d->setMapping();
+            d->initializePieFromModel();
     } else {
         d->m_mapper = 0;
     }
@@ -560,24 +570,26 @@ void QPieSeriesPrivate::sliceHovered(bool state)
 
 void QPieSeriesPrivate::modelUpdated(QModelIndex topLeft, QModelIndex bottomRight)
 {
-    for (int row = topLeft.row(); row <= bottomRight.row(); row++) {
-        for (int column = topLeft.column(); column <= bottomRight.column(); column++) {
-            if (m_mapper->orientation() == Qt::Vertical)
-            {
-                if ( topLeft.row() >= m_mapper->first() && (m_mapper->count() == - 1 || topLeft.row() < m_mapper->first() + m_mapper->count())) {
-                    if (topLeft.column() == m_mapper->mapValues())
-                        m_slices.at(topLeft.row() - m_mapper->first())->setValue(m_model->data(topLeft, Qt::DisplayRole).toDouble());
-                    if (topLeft.column() == m_mapper->mapLabels())
-                        m_slices.at(topLeft.row() - m_mapper->first())->setLabel(m_model->data(topLeft, Qt::DisplayRole).toString());
+    if (m_mapper) {
+        for (int row = topLeft.row(); row <= bottomRight.row(); row++) {
+            for (int column = topLeft.column(); column <= bottomRight.column(); column++) {
+                if (m_mapper->orientation() == Qt::Vertical)
+                {
+                    if ( topLeft.row() >= m_mapper->first() && (m_mapper->count() == - 1 || topLeft.row() < m_mapper->first() + m_mapper->count())) {
+                        if (topLeft.column() == m_mapper->mapValues())
+                            m_slices.at(topLeft.row() - m_mapper->first())->setValue(m_model->data(topLeft, Qt::DisplayRole).toDouble());
+                        if (topLeft.column() == m_mapper->mapLabels())
+                            m_slices.at(topLeft.row() - m_mapper->first())->setLabel(m_model->data(topLeft, Qt::DisplayRole).toString());
+                    }
                 }
-            }
-            else
-            {
-                if (topLeft.column() >= m_mapper->first() && (m_mapper->count() == - 1 || topLeft.column() < m_mapper->first() + m_mapper->count())) {
-                    if (topLeft.row() == m_mapper->mapValues())
-                        m_slices.at(topLeft.column() - m_mapper->first())->setValue(m_model->data(topLeft, Qt::DisplayRole).toDouble());
-                    if (topLeft.row() == m_mapper->mapLabels())
-                        m_slices.at(topLeft.column() - m_mapper->first())->setLabel(m_model->data(topLeft, Qt::DisplayRole).toString());
+                else
+                {
+                    if (topLeft.column() >= m_mapper->first() && (m_mapper->count() == - 1 || topLeft.column() < m_mapper->first() + m_mapper->count())) {
+                        if (topLeft.row() == m_mapper->mapValues())
+                            m_slices.at(topLeft.column() - m_mapper->first())->setValue(m_model->data(topLeft, Qt::DisplayRole).toDouble());
+                        if (topLeft.row() == m_mapper->mapLabels())
+                            m_slices.at(topLeft.column() - m_mapper->first())->setLabel(m_model->data(topLeft, Qt::DisplayRole).toString());
+                    }
                 }
             }
         }
@@ -588,121 +600,118 @@ void QPieSeriesPrivate::modelUpdated(QModelIndex topLeft, QModelIndex bottomRigh
 void QPieSeriesPrivate::modelRowsAdded(QModelIndex parent, int start, int end)
 {
     Q_UNUSED(parent);
-    if (m_mapper->orientation() == Qt::Vertical)
-        insertData(start, end);
-    else if (start <= m_mapper->mapValues() || start <= m_mapper->mapLabels()) // if the changes affect the map - reinitialize the pie
-        initializePieFromModel();
+    if (m_mapper) {
+        if (m_mapper->orientation() == Qt::Vertical)
+            insertData(start, end);
+        else if (start <= m_mapper->mapValues() || start <= m_mapper->mapLabels()) // if the changes affect the map - reinitialize the pie
+            initializePieFromModel();
+    }
 }
 
 void QPieSeriesPrivate::modelRowsRemoved(QModelIndex parent, int start, int end)
 {
     Q_UNUSED(parent);
-    if (m_mapper->orientation() == Qt::Vertical)
-        removeData(start, end);
-    else if (start <= m_mapper->mapValues() || start <= m_mapper->mapLabels()) // if the changes affect the map - reinitialize the pie
-        initializePieFromModel();
+    if (m_mapper) {
+        if (m_mapper->orientation() == Qt::Vertical)
+            removeData(start, end);
+        else if (start <= m_mapper->mapValues() || start <= m_mapper->mapLabels()) // if the changes affect the map - reinitialize the pie
+            initializePieFromModel();
+    }
 }
 
 void QPieSeriesPrivate::modelColumnsAdded(QModelIndex parent, int start, int end)
 {
     Q_UNUSED(parent);
-    if (m_mapper->orientation() == Qt::Horizontal)
-        insertData(start, end);
-    else if (start <= m_mapper->mapValues() || start <= m_mapper->mapLabels()) // if the changes affect the map - reinitialize the pie
-        initializePieFromModel();
+    if (m_mapper) {
+        if (m_mapper->orientation() == Qt::Horizontal)
+            insertData(start, end);
+        else if (start <= m_mapper->mapValues() || start <= m_mapper->mapLabels()) // if the changes affect the map - reinitialize the pie
+            initializePieFromModel();
+    }
 }
 
 void QPieSeriesPrivate::modelColumnsRemoved(QModelIndex parent, int start, int end)
 {
     Q_UNUSED(parent);
-    if (m_mapper->orientation() == Qt::Horizontal)
-        removeData(start, end);
-    else if (start <= m_mapper->mapValues() || start <= m_mapper->mapLabels()) // if the changes affect the map - reinitialize the pie
-        initializePieFromModel();
+    if (m_mapper) {
+        if (m_mapper->orientation() == Qt::Horizontal)
+            removeData(start, end);
+        else if (start <= m_mapper->mapValues() || start <= m_mapper->mapLabels()) // if the changes affect the map - reinitialize the pie
+            initializePieFromModel();
+    }
 }
 
 void QPieSeriesPrivate::insertData(int start, int end)
 {
     Q_Q(QPieSeries);
-    if (m_mapper->count() != -1 && start >= m_mapper->first() + m_mapper->count()) {
-        return;
-    } else {
-        int addedCount = end - start + 1;
-        if (m_mapper->count() != -1 && addedCount > m_mapper->count())
-            addedCount = m_mapper->count();
-        int first = qMax(start, m_mapper->first());
-        int last = qMin(first + addedCount - 1, m_mapper->orientation() == Qt::Vertical ? m_model->rowCount() - 1 : m_model->columnCount() - 1);
-        for (int i = first; i <= last; i++) {
-            QPieSlice *slice = new QPieSlice;
-            if (m_mapper->orientation() == Qt::Vertical) {
-                slice->setValue(m_model->data(m_model->index(i, m_mapper->mapValues()), Qt::DisplayRole).toDouble());
-                slice->setLabel(m_model->data(m_model->index(i, m_mapper->mapLabels()), Qt::DisplayRole).toString());
-            } else {
-                slice->setValue(m_model->data(m_model->index(m_mapper->mapValues(), i), Qt::DisplayRole).toDouble());
-                slice->setLabel(m_model->data(m_model->index(m_mapper->mapLabels(), i), Qt::DisplayRole).toString());
+    if (m_mapper) {
+        if (m_mapper->count() != -1 && start >= m_mapper->first() + m_mapper->count()) {
+            return;
+        } else {
+            int addedCount = end - start + 1;
+            if (m_mapper->count() != -1 && addedCount > m_mapper->count())
+                addedCount = m_mapper->count();
+            int first = qMax(start, m_mapper->first());
+            int last = qMin(first + addedCount - 1, m_mapper->orientation() == Qt::Vertical ? m_model->rowCount() - 1 : m_model->columnCount() - 1);
+            for (int i = first; i <= last; i++) {
+                QPieSlice *slice = new QPieSlice;
+                if (m_mapper->orientation() == Qt::Vertical) {
+                    slice->setValue(m_model->data(m_model->index(i, m_mapper->mapValues()), Qt::DisplayRole).toDouble());
+                    slice->setLabel(m_model->data(m_model->index(i, m_mapper->mapLabels()), Qt::DisplayRole).toString());
+                } else {
+                    slice->setValue(m_model->data(m_model->index(m_mapper->mapValues(), i), Qt::DisplayRole).toDouble());
+                    slice->setLabel(m_model->data(m_model->index(m_mapper->mapLabels(), i), Qt::DisplayRole).toString());
+                }
+                slice->setLabelVisible();
+                q->insert(i - m_mapper->first(), slice);
             }
-            slice->setLabelVisible();
-            q->insert(i - m_mapper->first(), slice);
+            if (m_mapper->count() != -1 && m_slices.size() > m_mapper->count())
+                for (int i = m_slices.size() - 1; i >= m_mapper->count(); i--)
+                    q->remove(q->slices().at(i));
         }
-        if (m_mapper->count() != -1 && m_slices.size() > m_mapper->count())
-            for (int i = m_slices.size() - 1; i >= m_mapper->count(); i--)
-                q->remove(q->slices().at(i));
     }
 }
 
 void QPieSeriesPrivate::removeData(int start, int end)
 {
     Q_Q(QPieSeries);
-    int removedCount = end - start + 1;
-    if (m_mapper->count() != -1 && start >= m_mapper->first() + m_mapper->count()) {
-        return;
-    } else {
-        int toRemove = qMin(m_slices.size(), removedCount);     // first find how many items can actually be removed
-        int first = qMax(start, m_mapper->first());    // get the index of the first item that will be removed.
-        int last = qMin(first + toRemove - 1, m_slices.size() + m_mapper->first() - 1);    // get the index of the last item that will be removed.
-        for (int i = last; i >= first; i--)
-            q->remove(q->slices().at(i - m_mapper->first()));
-
-        if (m_mapper->count() != -1) {
-            int itemsAvailable;     // check how many are available to be added
-            if (m_mapper->orientation() == Qt::Vertical)
-                itemsAvailable = m_model->rowCount() - m_mapper->first() - m_slices.size();
-            else
-                itemsAvailable = m_model->columnCount() - m_mapper->first() - m_slices.size();
-            int toBeAdded = qMin(itemsAvailable, m_mapper->count() - m_slices.size());     // add not more items than there is space left to be filled.
-            int currentSize = m_slices.size();
-            if (toBeAdded > 0)
-                for (int i = m_slices.size(); i < currentSize + toBeAdded; i++) {
-                    QPieSlice *slice = new QPieSlice;
-                    if (m_mapper->orientation() == Qt::Vertical) {
-                        slice->setValue(m_model->data(m_model->index(i + m_mapper->first(), m_mapper->mapValues()), Qt::DisplayRole).toDouble());
-                        slice->setLabel(m_model->data(m_model->index(i + m_mapper->first(), m_mapper->mapLabels()), Qt::DisplayRole).toString());
-                    } else {
-                        slice->setValue(m_model->data(m_model->index(m_mapper->mapValues(), i + m_mapper->first()), Qt::DisplayRole).toDouble());
-                        slice->setLabel(m_model->data(m_model->index(m_mapper->mapLabels(), i + m_mapper->first()), Qt::DisplayRole).toString());
+    if (m_mapper) {
+        int removedCount = end - start + 1;
+        if (m_mapper->count() != -1 && start >= m_mapper->first() + m_mapper->count()) {
+            return;
+        } else {
+            int toRemove = qMin(m_slices.size(), removedCount);     // first find how many items can actually be removed
+            int first = qMax(start, m_mapper->first());    // get the index of the first item that will be removed.
+            int last = qMin(first + toRemove - 1, m_slices.size() + m_mapper->first() - 1);    // get the index of the last item that will be removed.
+            for (int i = last; i >= first; i--)
+                q->remove(q->slices().at(i - m_mapper->first()));
+
+            if (m_mapper->count() != -1) {
+                int itemsAvailable;     // check how many are available to be added
+                if (m_mapper->orientation() == Qt::Vertical)
+                    itemsAvailable = m_model->rowCount() - m_mapper->first() - m_slices.size();
+                else
+                    itemsAvailable = m_model->columnCount() - m_mapper->first() - m_slices.size();
+                int toBeAdded = qMin(itemsAvailable, m_mapper->count() - m_slices.size());     // add not more items than there is space left to be filled.
+                int currentSize = m_slices.size();
+                if (toBeAdded > 0)
+                    for (int i = m_slices.size(); i < currentSize + toBeAdded; i++) {
+                        QPieSlice *slice = new QPieSlice;
+                        if (m_mapper->orientation() == Qt::Vertical) {
+                            slice->setValue(m_model->data(m_model->index(i + m_mapper->first(), m_mapper->mapValues()), Qt::DisplayRole).toDouble());
+                            slice->setLabel(m_model->data(m_model->index(i + m_mapper->first(), m_mapper->mapLabels()), Qt::DisplayRole).toString());
+                        } else {
+                            slice->setValue(m_model->data(m_model->index(m_mapper->mapValues(), i + m_mapper->first()), Qt::DisplayRole).toDouble());
+                            slice->setLabel(m_model->data(m_model->index(m_mapper->mapLabels(), i + m_mapper->first()), Qt::DisplayRole).toString());
+                        }
+                        slice->setLabelVisible();
+                        q->insert(i, slice);
                     }
-                    slice->setLabelVisible();
-                    q->insert(i, slice);
-                }
+            }
         }
     }
 }
 
-void QPieSeriesPrivate::setMapping()
-{
-    initializePieFromModel();
-
-    // connect signals from the model
-    connect(m_model, SIGNAL(dataChanged(QModelIndex,QModelIndex)), this, SLOT(modelUpdated(QModelIndex,QModelIndex)));
-    connect(m_model, SIGNAL(rowsInserted(QModelIndex,int,int)), this, SLOT(modelRowsAdded(QModelIndex,int,int)));
-    connect(m_model, SIGNAL(rowsRemoved(QModelIndex,int,int)), this, SLOT(modelRowsRemoved(QModelIndex,int,int)));
-    connect(m_model, SIGNAL(columnsInserted(QModelIndex,int,int)), this, SLOT(modelColumnsAdded(QModelIndex,int,int)));
-    connect(m_model, SIGNAL(columnsRemoved(QModelIndex,int,int)), this, SLOT(modelColumnsRemoved(QModelIndex,int,int)));
-
-    // connect the signal from the mapper
-    connect(m_mapper, SIGNAL(updated()), this, SLOT(initializePieFromModel()));
-}
-
 void QPieSeriesPrivate::initializePieFromModel()
 {
     Q_Q(QPieSeries);
diff --git a/src/piechart/qpieseries_p.h b/src/piechart/qpieseries_p.h
index ebbfbb5..9eb0cff 100644
--- a/src/piechart/qpieseries_p.h
+++ b/src/piechart/qpieseries_p.h
@@ -65,7 +65,6 @@ public Q_SLOTS:
     bool setRealValue(qreal &value, qreal newValue, qreal max, qreal min = 0.0);
 
 private:
-    void setMapping();
     void insertData(int start, int end);
     void removeData(int start, int end);
 
diff --git a/src/xychart/qxyseries.cpp b/src/xychart/qxyseries.cpp
index b46a2fc..2f520e2 100644
--- a/src/xychart/qxyseries.cpp
+++ b/src/xychart/qxyseries.cpp
@@ -339,8 +339,14 @@ void QXYSeries::setModel(QAbstractItemModel *model)
     // set new model
     if (model) {
         d->m_model = model;
-        if (d->m_mapper)
-            d->setMapping();
+        emit d->reinitialized();
+
+        // connect signals from the model
+        connect(d->m_model,SIGNAL(dataChanged(QModelIndex,QModelIndex)), d, SLOT(modelUpdated(QModelIndex,QModelIndex)));
+        connect(d->m_model,SIGNAL(rowsInserted(QModelIndex,int,int)), d, SLOT(modelRowsAdded(QModelIndex,int,int)));
+        connect(d->m_model,SIGNAL(rowsRemoved(QModelIndex,int,int)), d, SLOT(modelRowsRemoved(QModelIndex,int,int)));
+        connect(d->m_model, SIGNAL(columnsInserted(QModelIndex,int,int)), d, SLOT(modelColumnsAdded(QModelIndex,int,int)));
+        connect(d->m_model, SIGNAL(columnsRemoved(QModelIndex,int,int)), d, SLOT(modelColumnsRemoved(QModelIndex,int,int)));
     } else {
         d->m_model = 0;
     }
@@ -356,8 +362,10 @@ void QXYSeries::setModelMapper(QXYModelMapper *mapper)
 
     if (mapper) {
         d->m_mapper = mapper;
-        if (d->m_model)
-            d->setMapping();
+        emit d->reinitialized();
+
+        // connect the signal from the mapper
+        connect(d->m_mapper, SIGNAL(updated()), d, SLOT(mappingUpdated()));
     } else {
         d->m_mapper = 0;
     }
@@ -438,38 +446,28 @@ QList<LegendMarker*> QXYSeriesPrivate::createLegendMarker(QLegend* legend)
     return list << new XYLegendMarker(q,legend);
 }
 
-void QXYSeriesPrivate::setMapping()
-{
-    // connect signals from the model
-    connect(m_model,SIGNAL(dataChanged(QModelIndex,QModelIndex)), this, SLOT(modelUpdated(QModelIndex,QModelIndex)));
-    connect(m_model,SIGNAL(rowsInserted(QModelIndex,int,int)), this, SLOT(modelRowsAdded(QModelIndex,int,int)));
-    connect(m_model,SIGNAL(rowsRemoved(QModelIndex,int,int)), this, SLOT(modelRowsRemoved(QModelIndex,int,int)));
-    connect(m_model, SIGNAL(columnsInserted(QModelIndex,int,int)), this, SLOT(modelColumnsAdded(QModelIndex,int,int)));
-    connect(m_model, SIGNAL(columnsRemoved(QModelIndex,int,int)), this, SLOT(modelColumnsRemoved(QModelIndex,int,int)));
-
-    // connect the signal from the mapper
-    connect(m_mapper, SIGNAL(updated()), this, SLOT(mappingUpdated()));
-}
-
 void QXYSeriesPrivate::mappingUpdated()
 {
-    emit reinitialized();
+    if (m_model)
+        emit reinitialized();
 }
 
 void QXYSeriesPrivate::modelUpdated(QModelIndex topLeft, QModelIndex bottomRight)
 {
-    for (int row = topLeft.row(); row <= bottomRight.row(); row++) {
-        for (int column = topLeft.column(); column <= bottomRight.column(); column++) {
-            if (m_mapper->orientation() == Qt::Vertical) {
-                if ((column == m_mapper->mapX() || column == m_mapper->mapY())                          // modified item is in a mapped column
-                        && row >= m_mapper->first()                                                     // modfied item in not before first item
-                        && (m_mapper->count() == -1 || row < m_mapper->first() + m_mapper->count()))    // map is not limited or item lays before the end of map
-                    emit pointReplaced(row - m_mapper->first());
-            } else {
-                if ((row == m_mapper->mapX() || row == m_mapper->mapY())                                // modified item is in a mapped row
-                        && column >= m_mapper->first()                                                  // modfied item in not before first item
-                        && (m_mapper->count() == -1 || column < m_mapper->first() + m_mapper->count())) // map is not limited or item lays before the end of map
-                    emit pointReplaced(column - m_mapper->first());
+    if (m_mapper) {
+        for (int row = topLeft.row(); row <= bottomRight.row(); row++) {
+            for (int column = topLeft.column(); column <= bottomRight.column(); column++) {
+                if (m_mapper->orientation() == Qt::Vertical) {
+                    if ((column == m_mapper->mapX() || column == m_mapper->mapY())                          // modified item is in a mapped column
+                            && row >= m_mapper->first()                                                     // modfied item in not before first item
+                            && (m_mapper->count() == -1 || row < m_mapper->first() + m_mapper->count()))    // map is not limited or item lays before the end of map
+                        emit pointReplaced(row - m_mapper->first());
+                } else {
+                    if ((row == m_mapper->mapX() || row == m_mapper->mapY())                                // modified item is in a mapped row
+                            && column >= m_mapper->first()                                                  // modfied item in not before first item
+                            && (m_mapper->count() == -1 || column < m_mapper->first() + m_mapper->count())) // map is not limited or item lays before the end of map
+                        emit pointReplaced(column - m_mapper->first());
+                }
             }
         }
     }
@@ -479,37 +477,45 @@ void QXYSeriesPrivate::modelUpdated(QModelIndex topLeft, QModelIndex bottomRight
 void QXYSeriesPrivate::modelRowsAdded(QModelIndex parent, int start, int end)
 {
     Q_UNUSED(parent);
-    if (m_mapper->orientation() == Qt::Vertical)
-        emit pointsAdded(start, end);
-    else if (start <= m_mapper->mapX() || start <= m_mapper->mapY())
-        emit reinitialized();
+    if (m_mapper) {
+        if (m_mapper->orientation() == Qt::Vertical)
+            emit pointsAdded(start, end);
+        else if (start <= m_mapper->mapX() || start <= m_mapper->mapY())
+            emit reinitialized();
+    }
 }
 
 void QXYSeriesPrivate::modelRowsRemoved(QModelIndex parent, int start, int end)
 {
     Q_UNUSED(parent);
-    if (m_mapper->orientation() == Qt::Vertical)
-        emit pointsRemoved(start, end);
-    else if (start <= m_mapper->mapX() || start <= m_mapper->mapY())
-        emit reinitialized();
+    if (m_mapper) {
+        if (m_mapper->orientation() == Qt::Vertical)
+            emit pointsRemoved(start, end);
+        else if (start <= m_mapper->mapX() || start <= m_mapper->mapY())
+            emit reinitialized();
+    }
 }
 
 void QXYSeriesPrivate::modelColumnsAdded(QModelIndex parent, int start, int end)
 {
     Q_UNUSED(parent);
-    if (m_mapper->orientation() == Qt::Horizontal)
-        emit pointsAdded(start, end);
-    else if (start <= m_mapper->mapX() || start <= m_mapper->mapY())
-        emit reinitialized();
+    if (m_mapper) {
+        if (m_mapper->orientation() == Qt::Horizontal)
+            emit pointsAdded(start, end);
+        else if (start <= m_mapper->mapX() || start <= m_mapper->mapY())
+            emit reinitialized();
+    }
 }
 
 void QXYSeriesPrivate::modelColumnsRemoved(QModelIndex parent, int start, int end)
 {
     Q_UNUSED(parent);
-    if (m_mapper->orientation() == Qt::Horizontal)
-        emit pointsRemoved(start, end);
-    else if (start <= m_mapper->mapX() || start <= m_mapper->mapY())
-        emit reinitialized();
+    if (m_mapper) {
+        if (m_mapper->orientation() == Qt::Horizontal)
+            emit pointsRemoved(start, end);
+        else if (start <= m_mapper->mapX() || start <= m_mapper->mapY())
+            emit reinitialized();
+    }
 }
 
 #include "moc_qxyseries.cpp"
diff --git a/src/xychart/qxyseries_p.h b/src/xychart/qxyseries_p.h
index 7e0f71d..acf86e4 100644
--- a/src/xychart/qxyseries_p.h
+++ b/src/xychart/qxyseries_p.h
@@ -56,7 +56,6 @@ protected Q_SLOTS:
     virtual void mappingUpdated();
 
 private:
-    void setMapping();
     void insertData(int start, int end);
     void removeData(int start, int end);