From c98d70ef7baafe18199155a3e38d95a37f054853 Mon Sep 17 00:00:00 2001
From: Thiago Macieira <thiago.macieira@intel.com>
Date: Thu, 27 Apr 2023 07:57:27 -0700
Subject: [PATCH] QMutex: remove unused tst_QMutex forward declaration

Commit d4b206b246caf9b49110526585693ab629609d99, which split
QRecursiveMutex from QMutex and thus rewrote a lot of the tests, removed
the friendship, but not the forward-declaration.

Pick-to: 6.5 6.2
Change-Id: I6f518d59e63249ddbf43fffd1759d28f1547ec9f
Reviewed-by: Marc Mutz <marc.mutz@qt.io>
---
 src/corelib/thread/qmutex.h | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/src/corelib/thread/qmutex.h b/src/corelib/thread/qmutex.h
index be62dc01d6..e185041b13 100644
--- a/src/corelib/thread/qmutex.h
+++ b/src/corelib/thread/qmutex.h
@@ -12,11 +12,8 @@
 #include <chrono>
 #include <limits>
 
-class tst_QMutex;
-
 QT_BEGIN_NAMESPACE
 
-
 #if QT_CONFIG(thread) || defined(Q_QDOC)
 
 #if defined(Q_OS_LINUX) || defined(Q_OS_WIN) // these platforms use futex