diff --git a/cura/CuraApplication.py b/cura/CuraApplication.py
index fe250aea16..0fcbeaea5e 100644
--- a/cura/CuraApplication.py
+++ b/cura/CuraApplication.py
@@ -101,8 +101,6 @@ class CuraApplication(QtApplication):
         self._camera_animation = None
         self._cura_actions = None
 
-        #self.getMachineManager().activeMachineInstanceChanged.connect(self._onGlobalContainerStackChanged)
-        #self.getMachineManager().addMachineRequested.connect(self._onAddMachineRequested)
         self.getController().getScene().sceneChanged.connect(self.updatePlatformActivity)
         self.getController().toolOperationStopped.connect(self._onToolOperationStopped)
 
diff --git a/cura/PrintInformation.py b/cura/PrintInformation.py
index d3eaab662c..994dac69d0 100644
--- a/cura/PrintInformation.py
+++ b/cura/PrintInformation.py
@@ -63,6 +63,6 @@ class PrintInformation(QObject):
         self.currentPrintTimeChanged.emit()
 
         # Material amount is sent as an amount of mm^3, so calculate length from that
-        r =  Application.getInstance().getMachineManager().getWorkingProfile().getSettingValue("material_diameter") / 2
+        r =  Application.getInstance().getGlobalContainerStack().getValue("material_diameter") / 2
         self._material_amount = round((amount / (math.pi * r ** 2)) / 1000, 2)
         self.materialAmountChanged.emit()