diff --git a/src/corelib/itemmodels/qabstractitemmodel.h b/src/corelib/itemmodels/qabstractitemmodel.h
index 0aa75d6ff7..c34876d1d6 100644
--- a/src/corelib/itemmodels/qabstractitemmodel.h
+++ b/src/corelib/itemmodels/qabstractitemmodel.h
@@ -302,7 +302,9 @@ public Q_SLOTS:
     virtual void revert();
 
 protected Q_SLOTS:
-    // Qt 6: Make virtual
+#if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
+    virtual
+#endif
     void resetInternalData();
 
 protected: