diff --git a/cura/Settings/MachineManager.py b/cura/Settings/MachineManager.py
index 83f8fe9f0f..7c884ae134 100755
--- a/cura/Settings/MachineManager.py
+++ b/cura/Settings/MachineManager.py
@@ -47,10 +47,6 @@ class MachineManager(QObject):
         self.globalContainerChanged.connect(self.activeQualityChanged)
 
         self._stacks_have_errors = None
-        #self._empty_variant_container = ContainerRegistry.getInstance().findInstanceContainers(id="empty_variant")[0]
-        #self._empty_material_container = ContainerRegistry.getInstance().findInstanceContainers(id="empty_material")[0]
-        #self._empty_quality_container = ContainerRegistry.getInstance().findInstanceContainers(id="empty_quality")[0]
-        #self._empty_quality_changes_container = ContainerRegistry.getInstance().findInstanceContainers(id="empty_quality_changes")[0]
 
         self._empty_variant_container = ContainerRegistry.getInstance().getEmptyInstanceContainer()
         self._empty_material_container = ContainerRegistry.getInstance().getEmptyInstanceContainer()