diff --git a/cura/Machines/Models/ActiveIntentQualitiesModel.py b/cura/Machines/Models/ActiveIntentQualitiesModel.py
index f25391fcad..c20ccde383 100644
--- a/cura/Machines/Models/ActiveIntentQualitiesModel.py
+++ b/cura/Machines/Models/ActiveIntentQualitiesModel.py
@@ -46,7 +46,7 @@ class ActiveIntentQualitiesModel(ListModel):
     def _updateDelayed(self):
         self._update_timer.start()
 
-    def _onChanged(self, container):
+    def _onChanged(self, container: ContainerStack) -> None:
         if container.getMetaDataEntry("type") == "intent":
             self._updateDelayed()
 
diff --git a/cura/Machines/Models/IntentSelectionModel.py b/cura/Machines/Models/IntentSelectionModel.py
index 5302dc0ae5..1a57d0b3a0 100644
--- a/cura/Machines/Models/IntentSelectionModel.py
+++ b/cura/Machines/Models/IntentSelectionModel.py
@@ -25,7 +25,7 @@ class IntentSelectionModel(ListModel):
     DescriptionRole = Qt.ItemDataRole.UserRole + 4
     IconRole = Qt.ItemDataRole.UserRole + 5
 
-    def __init__(self, parent=None):
+    def __init__(self, parent=QAbstractListModel) -> None:
         super().__init__(parent)
 
         self.addRoleName(self.NameRole, "name")