diff --git a/src/corelib/global/qnamespace.h b/src/corelib/global/qnamespace.h
index 50f43e3c78e..a302c8ce510 100644
--- a/src/corelib/global/qnamespace.h
+++ b/src/corelib/global/qnamespace.h
@@ -1410,7 +1410,9 @@ public:
     Q_DECLARE_FLAGS(MatchFlags, MatchFlag)
 
     typedef void * HANDLE;
+#if QT_DEPRECATED_SINCE(5, 0)
     typedef WindowFlags WFlags;
+#endif
 
     enum WindowModality {
         NonModal,
diff --git a/src/corelib/global/qnamespace.qdoc b/src/corelib/global/qnamespace.qdoc
index 41a9af28bb0..338edc595b7 100644
--- a/src/corelib/global/qnamespace.qdoc
+++ b/src/corelib/global/qnamespace.qdoc
@@ -1863,6 +1863,8 @@
 
 /*!
     \typedef Qt::WFlags
+    \obsolete
+    This typedef is obsolete. Use Qt::WindowFlags instead.
 
     Synonym for Qt::WindowFlags.
 */