diff --git a/tests/manual/qmltestbed/qml/qmltestbed/BarModelMapping.qml b/tests/manual/qmltestbed/qml/qmltestbed/BarModelMapping.qml
index 50d12e3f..a3af497a 100644
--- a/tests/manual/qmltestbed/qml/qmltestbed/BarModelMapping.qml
+++ b/tests/manual/qmltestbed/qml/qmltestbed/BarModelMapping.qml
@@ -339,12 +339,15 @@ Rectangle {
             width: 250
             text: "Vertical/Horizontal bars"
             onClicked: {
-                if (barSeries.barsOrientation == BarSeries.BarsOrientation.Vertical)
-                    barSeries.barsOrientation = BarSeries.BarsOrientation.Horizontal
+                if (chartView.orientation === Qt.Vertical)
+                    chartView.orientation = Qt.Horizontal
                 else
-                    barSeries.barsOrientation = BarSeries.BarsOrientation.Vertical
+                    chartView.orientation = Qt.Vertical
+                myModel.startAddMapping()
+                myModel.endAddMapping()
             }
         }
+
         Button {
             width: 250
             text: "Vertical/Horizontal mapper"
diff --git a/tests/manual/qmltestbed/qml/qmltestbed/QmlUsageSeries.qml b/tests/manual/qmltestbed/qml/qmltestbed/QmlUsageSeries.qml
index e69764c3..2ba2532f 100644
--- a/tests/manual/qmltestbed/qml/qmltestbed/QmlUsageSeries.qml
+++ b/tests/manual/qmltestbed/qml/qmltestbed/QmlUsageSeries.qml
@@ -114,11 +114,11 @@ Rectangle {
                     if (col.nx <= 1)
                         return
 
-                    line.remove(line.count() - 1)
-                    scatter.remove(scatter.count() - 1)
+                    line.remove(line.count - 1)
+                    scatter.remove(scatter.count - 1)
                     bar.remove(bar.barSets.count - 1)
-                    areaSpline.remove(areaSpline.count() - 1)
-                    areaLine.remove(areaLine.count() - 1)
+                    areaSpline.remove(areaSpline.count - 1)
+                    areaLine.remove(areaLine.count - 1)
 
                     col.nx--
                 }