1 files changed, 8 insertions, 12 deletions
diff --git a/src/qml/qml/qqmlmetatype.cpp b/src/qml/qml/qqmlmetatype.cpp
index f801e9aeba..a8ec5d18f8 100644
--- a/src/qml/qml/qqmlmetatype.cpp
+++ b/src/qml/qml/qqmlmetatype.cpp
@@ -1102,13 +1102,6 @@ QString QQmlType::noCreationReason() const
     return d->extraData.cd->noCreationReason;
 }
 
-int QQmlType::createSize() const
-{
-    if (!d || d->regType != CppType)
-        return 0;
-    return d->extraData.cd->allocationSize;
-}
-
 bool QQmlType::isCreatable() const
 {
     return d && d->regType == CppType && d->extraData.cd->newFunc;
@@ -2172,11 +2165,14 @@ int QQmlMetaType::attachedPropertiesFuncId(QQmlEnginePrivate *engine, const QMet
     QMutexLocker lock(metaTypeDataLock());
     QQmlMetaTypeData *data = metaTypeData();
 
-    QQmlType type(data->metaObjectToType.value(mo));
-    if (type.attachedPropertiesFunction(engine))
-        return type.attachedPropertiesId(engine);
-    else
-        return -1;
+    for (auto it = data->metaObjectToType.constFind(mo), end = data->metaObjectToType.constEnd();
+         it != end && it.key() == mo; ++it) {
+        const QQmlType type(it.value());
+        if (type.attachedPropertiesFunction(engine))
+            return type.attachedPropertiesId(engine);
+    }
+
+    return -1;
 }
 
 QQmlAttachedPropertiesFunc QQmlMetaType::attachedPropertiesFuncById(QQmlEnginePrivate *engine, int id)