diff --git a/cura/Settings/CuraContainerRegistry.py b/cura/Settings/CuraContainerRegistry.py
index 393e36db30..29ee5c4b95 100644
--- a/cura/Settings/CuraContainerRegistry.py
+++ b/cura/Settings/CuraContainerRegistry.py
@@ -28,6 +28,7 @@ from . import GlobalStack
 from .ExtruderManager import ExtruderManager
 
 from cura.CuraApplication import CuraApplication
+from cura.Machines.MachineTools import getMachineDefinitionIDForQualitySearch
 
 from UM.i18n import i18nCatalog
 catalog = i18nCatalog("cura")
@@ -296,7 +297,7 @@ class CuraContainerRegistry(ContainerRegistry):
 
                     elif profile_index < len(machine_extruders) + 1:
                         # This is assumed to be an extruder profile
-                        extruder_id = Application.getInstance().getMachineManager().getQualityDefinitionId(machine_extruders[profile_index - 1].getBottom())
+                        extruder_id = machine_extruders[profile_index - 1].definition.getId()
                         if not profile.getMetaDataEntry("extruder"):
                             profile.addMetaDataEntry("extruder", extruder_id)
                         else:
@@ -356,7 +357,9 @@ class CuraContainerRegistry(ContainerRegistry):
 
         quality_type_criteria = {"quality_type": quality_type}
         if self._machineHasOwnQualities():
-            profile.setDefinition(self._activeQualityDefinition().getId())
+            global_container_stack = Application.getInstance().getGlobalContainerStack()
+            definition_id = getMachineDefinitionIDForQualitySearch(global_container_stack)
+            profile.setDefinition(definition_id)
             if self._machineHasOwnMaterials():
                 active_material_id = self._activeMaterialId()
                 if active_material_id and active_material_id != "empty":  # only update if there is an active material
@@ -407,18 +410,6 @@ class CuraContainerRegistry(ContainerRegistry):
                 result.append( (plugin_id, meta_data) )
         return result
 
-    ##  Get the definition to use to select quality profiles for the active machine
-    #   \return the active quality definition object or None if there is no quality definition
-    def _activeQualityDefinition(self):
-        global_container_stack = Application.getInstance().getGlobalContainerStack()
-        if global_container_stack:
-            definition_id = Application.getInstance().getMachineManager().getQualityDefinitionId(global_container_stack.getBottom())
-            definition = self.findDefinitionContainers(id = definition_id)[0]
-
-            if definition:
-                return definition
-        return None
-
     ##  Returns true if the current machine requires its own materials
     #   \return True if the current machine requires its own materials
     def _machineHasOwnMaterials(self):
diff --git a/cura/Settings/MachineManager.py b/cura/Settings/MachineManager.py
index de8f6328f7..31deb91c34 100755
--- a/cura/Settings/MachineManager.py
+++ b/cura/Settings/MachineManager.py
@@ -24,6 +24,7 @@ from UM.Settings.InstanceContainer import InstanceContainer
 from UM.Settings.SettingFunction import SettingFunction
 from UM.Signal import postponeSignals, CompressTechnique
 
+from cura.Machines.MachineTools import getMachineDefinitionIDForQualitySearch
 
 from cura.QualityManager import QualityManager
 from cura.PrinterOutputDevice import PrinterOutputDevice
@@ -698,35 +699,12 @@ class MachineManager(QObject):
 
     ##  Get the Definition ID to use to select quality profiles for the currently active machine
     #   \returns DefinitionID (string) if found, empty string otherwise
-    #   \sa getQualityDefinitionId
     @pyqtProperty(str, notify = globalContainerChanged)
     def activeQualityDefinitionId(self) -> str:
         if self._global_container_stack:
-            return self.getQualityDefinitionId(self._global_container_stack.definition)
+            return getMachineDefinitionIDForQualitySearch(self._global_container_stack)
         return ""
 
-    ##  Get the Definition ID to use to select quality profiles for machines of the specified definition
-    #   This is normally the id of the definition itself, but machines can specify a different definition to inherit qualities from
-    #   \param definition (DefinitionContainer) machine definition
-    #   \returns DefinitionID (string) if found, empty string otherwise
-    def getQualityDefinitionId(self, definition: "DefinitionContainer") -> str:
-        return QualityManager.getInstance().getParentMachineDefinition(definition).getId()
-
-    ##  Get the Variant ID to use to select quality profiles for variants of the specified definitions
-    #   This is normally the id of the variant itself, but machines can specify a different definition
-    #   to inherit qualities from, which has consequences for the variant to use as well
-    #   \param definition (DefinitionContainer) machine definition
-    #   \param variant (InstanceContainer) variant definition
-    #   \returns VariantID (string) if found, empty string otherwise
-    def getQualityVariantId(self, definition: "DefinitionContainer", variant: "InstanceContainer") -> str:
-        variant_id = variant.getId()
-        definition_id = definition.getId()
-        quality_definition_id = self.getQualityDefinitionId(definition)
-
-        if definition_id != quality_definition_id:
-            variant_id = variant_id.replace(definition_id, quality_definition_id, 1)
-        return variant_id
-
     ##  Gets how the active definition calls variants
     #   Caveat: per-definition-variant-title is currently not translated (though the fallback is)
     @pyqtProperty(str, notify = globalContainerChanged)
diff --git a/resources/qml/Preferences/ProfilesPage.qml b/resources/qml/Preferences/ProfilesPage.qml
index 6c58a1e69d..57ec7a1222 100644
--- a/resources/qml/Preferences/ProfilesPage.qml
+++ b/resources/qml/Preferences/ProfilesPage.qml
@@ -147,8 +147,7 @@ Item
         {
             text: catalog.i18nc("@action:button", "Export")
             iconName: "document-export"
-            //enabled: currentItem != null && !base.currentItem.readOnly
-            enabled: true // TODO
+            enabled: base.hasCurrentItem && !base.currentItem.is_read_only
             onClicked: {
                 // TODO
             }