Index: sources/gui/qml/pages/pretreatment/create/PreTreatmentCreate.qml
===================================================================
diff -u -r30ce87a1e9b3e6fc51dfadb6924bf6303e96ab0b -r70120c2a612e9118f716aa8dca3aefdeed7d2deb
--- sources/gui/qml/pages/pretreatment/create/PreTreatmentCreate.qml	(.../PreTreatmentCreate.qml)	(revision 30ce87a1e9b3e6fc51dfadb6924bf6303e96ab0b)
+++ sources/gui/qml/pages/pretreatment/create/PreTreatmentCreate.qml	(.../PreTreatmentCreate.qml)	(revision 70120c2a612e9118f716aa8dca3aefdeed7d2deb)
@@ -288,7 +288,7 @@
                         height: _heparinBolusVolumeSwitch.switchBgHeight * 1.25
                         width: _heparinBolusVolumeSwitch.switchBgWidth * 1.5
 
-                        Rectangle { id: _indicatorBackground
+                        Rectangle {
                             anchors.centerIn: parent
                             implicitWidth   :_heparinBolusVolumeSwitch.switchBgWidth
                             implicitHeight  : _heparinBolusVolumeSwitch.switchBgHeight
@@ -297,7 +297,7 @@
                             y               : parent.height / 2 - height / 2
                             color           : _heparinBolusVolumeSwitch.checked ? Colors.backgroundButtonSelect  : Colors.createTreatmentInactive
                             border.color    : _heparinBolusVolumeSwitch.checked ? Colors.borderButton            : Colors.createTreatmentInactive
-                            Rectangle { id: _indicatorKnob
+                            Rectangle {
                                 property real diameter  : Variables.sliderCircleDiameter
 
                                 x: _heparinBolusVolumeSwitch.checked ? parent.width - width : 0