diff --git a/src/corelib/thread/qmutex.h b/src/corelib/thread/qmutex.h
index 496d0ea502..6081bfe4cc 100644
--- a/src/corelib/thread/qmutex.h
+++ b/src/corelib/thread/qmutex.h
@@ -200,12 +200,6 @@ public:
     {
         return tryLock(QDeadlineTimer(timePoint));
     }
-
-#ifndef Q_QDOC
-    // because tryLock(QDeadlineTimer::Forever) is tryLock(0)
-    bool tryLock(QDeadlineTimer::ForeverConstant) QT_MUTEX_LOCK_NOEXCEPT
-    { lock(); return true; }
-#endif
 };
 
 #if QT_CORE_INLINE_IMPL_SINCE(6, 6)