diff --git a/src/plugins/qmldesigner/designercore/include/qmlmodelview.h b/src/plugins/qmldesigner/designercore/include/qmlmodelview.h
index c232997ea33..739eb0b9e61 100644
--- a/src/plugins/qmldesigner/designercore/include/qmlmodelview.h
+++ b/src/plugins/qmldesigner/designercore/include/qmlmodelview.h
@@ -58,9 +58,6 @@ public:
 
     QmlItemNode rootQmlItemNode() const;
 
-protected:
-    NodeInstance instanceForModelNode(const ModelNode &modelNode);
-    bool hasInstanceForModelNode(const ModelNode &modelNode);
 
     void activateState(const QmlModelState &state);
 
diff --git a/src/plugins/qmldesigner/designercore/model/qmlmodelnodefacade.cpp b/src/plugins/qmldesigner/designercore/model/qmlmodelnodefacade.cpp
index b70f46f955c..4b3480a0ae1 100644
--- a/src/plugins/qmldesigner/designercore/model/qmlmodelnodefacade.cpp
+++ b/src/plugins/qmldesigner/designercore/model/qmlmodelnodefacade.cpp
@@ -70,7 +70,11 @@ QmlModelView* QmlModelNodeFacade::qmlModelView()
 
 bool QmlModelNodeFacade::isValidQmlModelNodeFacade(const ModelNode &modelNode)
 {
-    return modelNode.isValid() && qmlModelView() && qmlModelView()->nodeInstanceView() && qmlModelView()->hasInstanceForModelNode(modelNode) && qmlModelView()->instanceForModelNode(modelNode).isValid();
+    return modelNode.isValid()
+            && qmlModelView()
+            && qmlModelView()->nodeInstanceView()
+            && qmlModelView()->nodeInstanceView()->hasInstanceForNode(modelNode)
+            && qmlModelView()->nodeInstanceView()->instanceForNode(modelNode).isValid();
 }
 
 bool QmlModelNodeFacade::isRootNode() const
diff --git a/src/plugins/qmldesigner/designercore/model/qmlmodelview.cpp b/src/plugins/qmldesigner/designercore/model/qmlmodelview.cpp
index 9aab6e9a57e..8adf5fec7ff 100644
--- a/src/plugins/qmldesigner/designercore/model/qmlmodelview.cpp
+++ b/src/plugins/qmldesigner/designercore/model/qmlmodelview.cpp
@@ -85,14 +85,4 @@ QmlItemNode QmlModelView::rootQmlItemNode() const
     return QmlItemNode(rootModelNode());
 }
 
-NodeInstance QmlModelView::instanceForModelNode(const ModelNode &modelNode)
-{
-    return nodeInstanceView()->instanceForNode(modelNode);
-}
-
-bool QmlModelView::hasInstanceForModelNode(const ModelNode &modelNode)
-{
-    return nodeInstanceView() && nodeInstanceView()->hasInstanceForNode(modelNode);
-}
-
 } //QmlDesigner
diff --git a/src/plugins/qmldesigner/designercore/model/qmlobjectnode.cpp b/src/plugins/qmldesigner/designercore/model/qmlobjectnode.cpp
index 99fd9678b14..1a8dd6ecc11 100644
--- a/src/plugins/qmldesigner/designercore/model/qmlobjectnode.cpp
+++ b/src/plugins/qmldesigner/designercore/model/qmlobjectnode.cpp
@@ -403,11 +403,8 @@ bool QmlObjectNode::isAncestorOf(const QmlObjectNode &objectNode) const
 
 QVariant QmlObjectNode::instanceValue(const ModelNode &modelNode, const PropertyName &name)
 {
-    QmlModelView *modelView = qobject_cast<QmlModelView*>(modelNode.view());
-    if (!modelView)
-        throw new InvalidModelNodeException(__LINE__, __FUNCTION__, __FILE__);
-    Q_ASSERT(modelView->hasInstanceForModelNode(modelNode));
-    return modelView->instanceForModelNode(modelNode).property(name);
+    Q_ASSERT(modelNode.view()->nodeInstanceView()->hasInstanceForNode(modelNode));
+    return modelNode.view()->nodeInstanceView()->instanceForNode(modelNode).property(name);
 }
 
 QString QmlObjectNode::generateTranslatableText(const QString &text)