diff --git a/src/barchart/bargroupbase.h b/src/barchart/bargroupbase.h
index a337b49..0a81ffa 100644
--- a/src/barchart/bargroupbase.h
+++ b/src/barchart/bargroupbase.h
@@ -15,8 +15,7 @@ public:
     BarGroupBase(BarChartModel& model, QGraphicsItem *parent = 0);
     void setSeparatorsVisible(bool visible = true);
 
-public: // From ChartItem
-//    void setSize(const QSizeF &size){};
+public:
 
     // From QGraphicsItem
     void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget);
@@ -39,9 +38,6 @@ protected slots:
 protected:
 
     // TODO: consider these.
-    //int mMin;           // Min and max values of data. (updated when data is changed, used when drawing)
-    //int mMax;
-
     int mHeight;        // Layout spesific
     int mWidth;
     int mBarDefaultWidth;
diff --git a/src/qchartseries.h b/src/qchartseries.h
index dcf1a15..ef07c1e 100644
--- a/src/qchartseries.h
+++ b/src/qchartseries.h
@@ -32,16 +32,11 @@ public:
     // Pure virtual
     virtual QChartSeriesType type() const = 0;
 
-    virtual bool setData(QList<int> /*data*/) { return false; }
     virtual bool setData(QList<qreal> /*data*/) { return false; }
     virtual bool setData(QList<qreal> /*x*/, QList<qreal> /*y*/){ return false; }
 
     // Prototype for data model. TODO: remove the other setData methods and use something like this for now?
-    virtual bool setData(QAbstractItemModel* /*model*/) { return false; }
-
-    // Methods for building a table for bar chart. Call repeatedly to add more than one series
-    virtual int addData(QList<qreal> data) {return -1;}
-    virtual void removeData(int id) {}
+    virtual bool setModel(QAbstractItemModel* /*model*/) { return false; }
 };
 
 QTCOMMERCIALCHART_END_NAMESPACE