From 7cd5d5312eaf66b650649065e4927212d4502f0e Mon Sep 17 00:00:00 2001
From: Julian Smith <jules@op59.net>
Date: Thu, 11 Nov 2021 21:05:27 +0000
Subject: [PATCH] simgear/props/props.hxx:SGPropertyNode: removed ununsed debug
 state for locking.

---
 simgear/props/props.hxx | 2 --
 1 file changed, 2 deletions(-)

diff --git a/simgear/props/props.hxx b/simgear/props/props.hxx
index 5b60b22b..66829649 100644
--- a/simgear/props/props.hxx
+++ b/simgear/props/props.hxx
@@ -1396,8 +1396,6 @@ private:
     // Support for thread-safety.
     //
     mutable std::shared_mutex _mutex;
-    int _mutex_debug_shared = 0;
-    int _mutex_debug_exclusive = 0;
     
     // Core data.
     //