diff --git a/cura/Machines/Models/FirstStartMachineActionsModel.py b/cura/Machines/Models/FirstStartMachineActionsModel.py
index 73deb6ac24..489509f4ec 100644
--- a/cura/Machines/Models/FirstStartMachineActionsModel.py
+++ b/cura/Machines/Models/FirstStartMachineActionsModel.py
@@ -1,12 +1,15 @@
 # Copyright (c) 2019 Ultimaker B.V.
 # Cura is released under the terms of the LGPLv3 or higher.
 
-from typing import Optional, Dict, Any
+from typing import Optional, Dict, Any, TYPE_CHECKING
 
 from PyQt5.QtCore import QObject, Qt, pyqtProperty, pyqtSignal, pyqtSlot
 
 from UM.Qt.ListModel import ListModel
 
+if TYPE_CHECKING:
+    from cura.CuraApplication import CuraApplication
+
 
 #
 # This model holds all first-start machine actions for the currently active machine. It has 2 roles:
@@ -20,7 +23,7 @@ class FirstStartMachineActionsModel(ListModel):
     ContentRole = Qt.UserRole + 2
     ActionRole = Qt.UserRole + 3
 
-    def __init__(self, parent: Optional[QObject] = None) -> None:
+    def __init__(self, application: "CuraApplication", parent: Optional[QObject] = None) -> None:
         super().__init__(parent)
 
         self.addRoleName(self.TitleRole, "title")
@@ -29,9 +32,7 @@ class FirstStartMachineActionsModel(ListModel):
 
         self._current_action_index = 0
 
-        from cura.CuraApplication import CuraApplication
-        self._application = CuraApplication.getInstance()
-
+        self._application = application
         self._application.initializationFinished.connect(self._initialize)
 
     def _initialize(self) -> None:
diff --git a/cura/UI/MachineSettingsManager.py b/cura/UI/MachineSettingsManager.py
index 518b922f92..8c411f2537 100644
--- a/cura/UI/MachineSettingsManager.py
+++ b/cura/UI/MachineSettingsManager.py
@@ -1,24 +1,26 @@
 # Copyright (c) 2019 Ultimaker B.V.
 # Cura is released under the terms of the LGPLv3 or higher.
 
-from typing import Optional
+from typing import Optional, TYPE_CHECKING
 
 from PyQt5.QtCore import QObject, pyqtSlot
 
 from UM.i18n import i18nCatalog
 
+if TYPE_CHECKING:
+    from cura.CuraApplication import CuraApplication
+
 
 #
 # This manager provides (convenience) functions to the Machine Settings Dialog QML to update certain machine settings.
 #
 class MachineSettingsManager(QObject):
 
-    def __init__(self, parent: Optional["QObject"] = None) -> None:
+    def __init__(self, application: "CuraApplication", parent: Optional["QObject"] = None) -> None:
         super().__init__(parent)
         self._i18n_catalog = i18nCatalog("cura")
 
-        from cura.CuraApplication import CuraApplication
-        self._application = CuraApplication.getInstance()
+        self._application = application
 
     # Force rebuilding the build volume by reloading the global container stack. This is a bit of a hack, but it seems
     # quite enough.
diff --git a/cura/UI/WelcomePagesModel.py b/cura/UI/WelcomePagesModel.py
index dde5ebcb06..a3aae49ed7 100644
--- a/cura/UI/WelcomePagesModel.py
+++ b/cura/UI/WelcomePagesModel.py
@@ -12,6 +12,8 @@ from UM.Resources import Resources
 
 if TYPE_CHECKING:
     from PyQt5.QtCore import QObject
+    from cura.CuraApplication import CuraApplication
+
 
 #
 # This is the Qt ListModel that contains all welcome pages data. Each page is a page that can be shown as a step in the
@@ -33,13 +35,15 @@ class WelcomePagesModel(ListModel):
     PageUrlRole = Qt.UserRole + 2  # URL to the page's QML file
     NextPageIdRole = Qt.UserRole + 3  # The next page ID it should go to
 
-    def __init__(self, parent: Optional["QObject"] = None) -> None:
+    def __init__(self, application: "CuraApplication", parent: Optional["QObject"] = None) -> None:
         super().__init__(parent)
 
         self.addRoleName(self.IdRole, "id")
         self.addRoleName(self.PageUrlRole, "page_url")
         self.addRoleName(self.NextPageIdRole, "next_page_id")
 
+        self._application = application
+
         self._pages = []  # type: List[Dict[str, Any]]
 
         self._current_page_index = 0
@@ -206,14 +210,12 @@ class WelcomePagesModel(ListModel):
     # Indicates if the machine action panel should be shown by checking if there's any first start machine actions
     # available.
     def shouldShowMachineActions(self) -> bool:
-        from cura.CuraApplication import CuraApplication
-        application = CuraApplication.getInstance()
-        global_stack = application.getMachineManager().activeMachine
+        global_stack = self._application.getMachineManager().activeMachine
         if global_stack is None:
             return False
 
         definition_id = global_stack.definition.getId()
-        first_start_actions = application.getMachineActionManager().getFirstStartActions(definition_id)
+        first_start_actions = self._application.getMachineActionManager().getFirstStartActions(definition_id)
         return len(first_start_actions) > 0
 
     def addPage(self) -> None: