diff --git a/src/corelib/compat/removed_api.cpp b/src/corelib/compat/removed_api.cpp
index e6e3d0a8bb9..1db1401f0e7 100644
--- a/src/corelib/compat/removed_api.cpp
+++ b/src/corelib/compat/removed_api.cpp
@@ -1290,6 +1290,18 @@ void QBasicMutex::destroyInternal(QMutexPrivate *d)
 }
 #endif
 
+
+#include "qobject.h"
+
+#ifdef Q_COMPILER_MANGLES_RETURN_TYPE
+QMetaObject *QObjectData::dynamicMetaObject() const
+{
+    // ### keep in sync with the master version in qobject.cpp
+    return metaObject->toDynamicMetaObject(q_ptr);
+}
+#endif // Q_COMPILER_MANGLES_RETURN_TYPE
+
+
 #include "qstring.h"
 
 QString QString::arg(qlonglong a, int fieldWidth, int base, QChar fillChar) const
diff --git a/src/corelib/kernel/qobject.cpp b/src/corelib/kernel/qobject.cpp
index b631b534c2e..d3566b1081e 100644
--- a/src/corelib/kernel/qobject.cpp
+++ b/src/corelib/kernel/qobject.cpp
@@ -152,9 +152,9 @@ void (*QAbstractDeclarativeData::setWidgetParent)(QObject *, QObject *) = nullpt
 
 QObjectData::~QObjectData() {}
 
-QT7_ONLY(const)
-QMetaObject *QObjectData::dynamicMetaObject() const
+const QMetaObject *QObjectData::dynamicMetaObject() const
 {
+    // ### keep in sync with removed_api.cpp version
     return metaObject->toDynamicMetaObject(q_ptr);
 }
 
diff --git a/src/corelib/kernel/qobject.h b/src/corelib/kernel/qobject.h
index 6b82a6ad4f6..26cbd80fb9c 100644
--- a/src/corelib/kernel/qobject.h
+++ b/src/corelib/kernel/qobject.h
@@ -90,10 +90,10 @@ public:
     QDynamicMetaObjectData *metaObject;
     QBindingStorage bindingStorage;
 
-#if QT_VERSION >= QT_VERSION_CHECK(7, 0, 0)
-    const QMetaObject *dynamicMetaObject() const;
-#else
+#if QT_CORE_REMOVED_SINCE(6, 9) && defined(Q_COMPILER_MANGLES_RETURN_TYPE)
     QMetaObject *dynamicMetaObject() const;
+#else
+    const QMetaObject *dynamicMetaObject() const;
 #endif
 
 #ifdef QT_DEBUG