diff --git a/src/plugins/qmldesigner/designercore/include/nodemetainfo.h b/src/plugins/qmldesigner/designercore/include/nodemetainfo.h
index c2c4766bb0a..0ece87b058c 100644
--- a/src/plugins/qmldesigner/designercore/include/nodemetainfo.h
+++ b/src/plugins/qmldesigner/designercore/include/nodemetainfo.h
@@ -79,6 +79,7 @@ public:
     bool propertyIsWritable(const PropertyName &propertyName) const;
     bool propertyIsListProperty(const PropertyName &propertyName) const;
     bool propertyIsEnumType(const PropertyName &propertyName) const;
+    bool propertyIsPrivate(const PropertyName &propertyName) const;
     QString propertyEnumScope(const PropertyName &propertyName) const;
     QStringList propertyKeysForEnum(const PropertyName &propertyName) const;
     QVariant propertyCastedValue(const PropertyName &propertyName, const QVariant &value) const;
diff --git a/src/plugins/qmldesigner/designercore/metainfo/nodemetainfo.cpp b/src/plugins/qmldesigner/designercore/metainfo/nodemetainfo.cpp
index 9a99ea08bdc..20e4562c5fe 100644
--- a/src/plugins/qmldesigner/designercore/metainfo/nodemetainfo.cpp
+++ b/src/plugins/qmldesigner/designercore/metainfo/nodemetainfo.cpp
@@ -1129,6 +1129,11 @@ bool NodeMetaInfo::propertyIsEnumType(const PropertyName &propertyName) const
     return m_privateData->isPropertyEnum(propertyName);
 }
 
+bool NodeMetaInfo::propertyIsPrivate(const PropertyName &propertyName) const
+{
+    return propertyName.startsWith("__");
+}
+
 QString NodeMetaInfo::propertyEnumScope(const PropertyName &propertyName) const
 {
     return m_privateData->propertyEnumScope(propertyName);