2 files changed, 5 insertions, 4 deletions
diff --git a/examples/charts/stackedbarchartdrilldown/drilldownchart.cpp b/examples/charts/stackedbarchartdrilldown/drilldownchart.cpp
index 652300c1..2af737d2 100644
--- a/examples/charts/stackedbarchartdrilldown/drilldownchart.cpp
+++ b/examples/charts/stackedbarchartdrilldown/drilldownchart.cpp
@@ -40,9 +40,8 @@ DrilldownChart::DrilldownChart(QGraphicsItem *parent, Qt::WindowFlags wFlags)
 
 void DrilldownChart::changeSeries(DrilldownBarSeries *series)
 {
-    if (m_currentSeries) {
+    if (m_currentSeries)
         removeSeries(m_currentSeries);
-    }
 
     m_currentSeries = series;
 
diff --git a/examples/charts/stackedbarchartdrilldown/main.cpp b/examples/charts/stackedbarchartdrilldown/main.cpp
index c3e03505..63043dfe 100644
--- a/examples/charts/stackedbarchartdrilldown/main.cpp
+++ b/examples/charts/stackedbarchartdrilldown/main.cpp
@@ -76,11 +76,13 @@ int main(int argc, char *argv[])
         }
 
         // Use clicked signal to implement drilldown
-        QObject::connect(weeklySeries, SIGNAL(clicked(int,QBarSet*)), drilldownChart, SLOT(handleClicked(int,QBarSet*)));
+        QObject::connect(weeklySeries, &DrilldownBarSeries::clicked,
+                         drilldownChart, &DrilldownChart::handleClicked);
     }
 
     // Enable drilldown from season series using clicked signal
-    QObject::connect(seasonSeries, SIGNAL(clicked(int,QBarSet*)), drilldownChart, SLOT(handleClicked(int,QBarSet*)));
+    QObject::connect(seasonSeries, &DrilldownBarSeries::clicked,
+                     drilldownChart, &DrilldownChart::handleClicked);
 //! [3]
 
 //! [4]