diff --git a/src/plugins/qmldesigner/designercore/include/abstractview.h b/src/plugins/qmldesigner/designercore/include/abstractview.h
index 2fbc0ae344d..694bdc6448b 100644
--- a/src/plugins/qmldesigner/designercore/include/abstractview.h
+++ b/src/plugins/qmldesigner/designercore/include/abstractview.h
@@ -132,9 +132,8 @@ public:
 
     void emitDocumentMessage(const QList<DocumentMessage> &errors, const QList<DocumentMessage> &warnings = {});
     void emitDocumentMessage(const QString &error);
-    void emitCustomNotification(const QString &identifier);
-    void emitCustomNotification(const QString &identifier, const QList<ModelNode> &nodeList);
-    void emitCustomNotification(const QString &identifier, const QList<ModelNode> &nodeList, const QList<QVariant> &data);
+    void emitCustomNotification(const QString &identifier, const QList<ModelNode> &nodeList = {},
+                                const QList<QVariant> &data = {});
 
     void emitInstancePropertyChange(const QList<QPair<ModelNode, PropertyName> > &propertyList);
     void emitInstanceErrorChange(const QVector<qint32> &instanceIds);
diff --git a/src/plugins/qmldesigner/designercore/model/abstractview.cpp b/src/plugins/qmldesigner/designercore/model/abstractview.cpp
index 35ccf36efd8..254f9536f9c 100644
--- a/src/plugins/qmldesigner/designercore/model/abstractview.cpp
+++ b/src/plugins/qmldesigner/designercore/model/abstractview.cpp
@@ -669,17 +669,8 @@ void AbstractView::emitDocumentMessage(const QList<DocumentMessage> &errors, con
         model()->d->setDocumentMessages(errors, warnings);
 }
 
-void AbstractView::emitCustomNotification(const QString &identifier)
-{
-    emitCustomNotification(identifier, QList<ModelNode>());
-}
-
-void AbstractView::emitCustomNotification(const QString &identifier, const QList<ModelNode> &nodeList)
-{
-    emitCustomNotification(identifier, nodeList, QList<QVariant>());
-}
-
-void AbstractView::emitCustomNotification(const QString &identifier, const QList<ModelNode> &nodeList, const QList<QVariant> &data)
+void AbstractView::emitCustomNotification(const QString &identifier, const QList<ModelNode> &nodeList,
+                                          const QList<QVariant> &data)
 {
     if (model())
         model()->d->notifyCustomNotification(this, identifier, nodeList, data);