diff --git a/src/axis/qchartaxiscategories.cpp b/src/axis/qchartaxiscategories.cpp
index 07024b0..50e3189 100644
--- a/src/axis/qchartaxiscategories.cpp
+++ b/src/axis/qchartaxiscategories.cpp
@@ -44,7 +44,6 @@ void QChartAxisCategories::clear()
 int QChartAxisCategories::count()
 {
     return m_map.count();
-    emit updated();
 }
 
 QList<qreal> QChartAxisCategories::values() const
diff --git a/src/chartdataset.cpp b/src/chartdataset.cpp
index 412efb0..53a3de7 100644
--- a/src/chartdataset.cpp
+++ b/src/chartdataset.cpp
@@ -248,7 +248,6 @@ void ChartDataSet::calculateDomain(QSeries* series,Domain* domain)
         default: {
             qDebug()<<__FUNCTION__<<"type" << series->type()<<"not supported";
             return;
-            break;
         }
 
     }
diff --git a/src/scatterseries/scatterchartitem_p.h b/src/scatterseries/scatterchartitem_p.h
index 3e61a37..e716f0b 100644
--- a/src/scatterseries/scatterchartitem_p.h
+++ b/src/scatterseries/scatterchartitem_p.h
@@ -52,7 +52,7 @@ class Marker: public QAbstractGraphicsShapeItem
 
 public:
 
-   Marker(QAbstractGraphicsShapeItem *item , ScatterChartItem *parent) : QAbstractGraphicsShapeItem(0) ,m_item(item), m_parent(parent)
+   Marker(QAbstractGraphicsShapeItem *item , ScatterChartItem *parent) : QAbstractGraphicsShapeItem(0) ,m_item(item), m_parent(parent), m_index(-1)
    {
    };