diff --git a/src/xylinechart/xygrid.cpp b/src/xylinechart/xygrid.cpp
deleted file mode 100644
index d9471be..0000000
--- a/src/xylinechart/xygrid.cpp
+++ /dev/null
@@ -1,70 +0,0 @@
-#include "xygrid_p.h"
-#include <QPainter>
-#include <QDebug>
-
-QTCOMMERCIALCHART_BEGIN_NAMESPACE
-
-XYGrid::XYGrid(QGraphicsItem* parent):QGraphicsItem(parent)
-{
-}
-
-XYGrid::~XYGrid()
-{
-    // TODO Auto-generated destructor stub
-}
-
-void XYGrid::setSize(const QSizeF& size)
-{
-	m_rect.setSize(size.toSize());
-}
-
-void XYGrid::setXYPlotData(const PlotDomain& xyPlotData)
-{
-    m_xyPlotData = xyPlotData;
-}
-
-QRectF XYGrid::boundingRect() const
-{
-	return m_rect;
-}
-
-void XYGrid::paint(QPainter *painter, const QStyleOptionGraphicsItem *option,QWidget *widget)
-{
-
-    if (!m_rect.isValid())
-    return;
-
-    const qreal deltaX = (m_rect.width() -1) / m_xyPlotData.ticksX();
-    const qreal deltaY = (m_rect.height() - 1) / m_xyPlotData.ticksY();
-
-    for (int i = 0; i <= m_xyPlotData.ticksX(); ++i) {
-
-        int x = i * deltaX + m_rect.left();
-        qreal label = m_xyPlotData.m_minX + (i * m_xyPlotData.spanX()
-            / m_xyPlotData.ticksX());
-        painter->drawLine(x, m_rect.top()+1, x, m_rect.bottom());
-        //painter->drawLine(x, m_rect.bottom(), x, m_rect.bottom() + 5);
-
-        painter->drawText(x - 50, m_rect.bottom() + 5, 100, 20,
-            Qt::AlignHCenter | Qt::AlignTop,
-            QString::number(label));
-    }
-
-    for (int j = 0; j <= m_xyPlotData.ticksY(); ++j) {
-
-        int y = j * -deltaY + m_rect.bottom();
-        qreal label = m_xyPlotData.m_minY + (j * m_xyPlotData.spanY()
-            / m_xyPlotData.ticksY());
-
-        painter->drawLine(m_rect.left(), y, m_rect.right()-1, y);
-        //painter->drawLine(m_rect.left() - 5, y, m_rect.left(), y);
-        //TODO : margin = 50 ;
-        painter->drawText(m_rect.left() - 50, y - 10, 50 - 5, 20,
-            Qt::AlignRight | Qt::AlignVCenter,
-            QString::number(label));
-    }
-
-    //painter->drawRect(m_rect.adjusted(0, 0, -1, -1));
-}
-
-QTCOMMERCIALCHART_END_NAMESPACE
diff --git a/src/xylinechart/xygrid_p.h b/src/xylinechart/xygrid_p.h
deleted file mode 100644
index 2c3cc53..0000000
--- a/src/xylinechart/xygrid_p.h
+++ /dev/null
@@ -1,31 +0,0 @@
-#ifndef XYGRID_H_
-#define XYGRID_H_
-
-#include <qchartglobal.h>
-#include <xyplotdomain_p.h>
-#include <QGraphicsItem>
-
-QTCOMMERCIALCHART_BEGIN_NAMESPACE
-
-class XYGrid : public QGraphicsItem
-{
-public:
-    XYGrid(QGraphicsItem* parent = 0);
-    virtual ~XYGrid();
-
-    //from QGraphicsItem
-    virtual QRectF boundingRect() const;
-    virtual void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget);
-
-    //TODO: this is just temporary interface
-    void setXYPlotData(const PlotDomain& xyPlotData);
-    void setSize(const QSizeF& rect);
-
-private:
-    QRectF m_rect;
-    PlotDomain m_xyPlotData;
-};
-
-QTCOMMERCIALCHART_END_NAMESPACE
-
-#endif /* XYGRID_H_ */