diff --git a/Source/PS_Source/Mutex.h b/Source/PS_Source/Mutex.h
deleted file mode 100644
index 145487c..0000000
--- a/Source/PS_Source/Mutex.h
+++ /dev/null
@@ -1,20 +0,0 @@
-/*
-  Copyright (C) 2006-2011 Nasca Octavian Paul
-  Author: Nasca Octavian Paul
-
-  This program is free software; you can redistribute it and/or modify
-  it under the terms of version 2 of the GNU General Public License 
-  as published by the Free Software Foundation.
-
-  This program is distributed in the hope that it will be useful,
-  but WITHOUT ANY WARRANTY; without even the implied warranty of
-  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-  GNU General Public License (version 2) for more details.
-
-  You should have received a copy of the GNU General Public License (version 2)
-  along with this program; if not, write to the Free Software Foundation,
-  Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
-*/
-#pragma once
-#include <mutex>
-using Mutex = std::mutex;
diff --git a/paulstretchplugin.jucer b/paulstretchplugin.jucer
index 5898e72..4a10250 100644
--- a/paulstretchplugin.jucer
+++ b/paulstretchplugin.jucer
@@ -20,7 +20,6 @@
               file="Source/PS_Source/BinauralBeats.cpp"/>
         <FILE id="qAo4mG" name="FreeEdit.cpp" compile="1" resource="0" file="Source/PS_Source/FreeEdit.cpp"/>
         <FILE id="gDsFRp" name="globals.h" compile="0" resource="0" file="Source/PS_Source/globals.h"/>
-        <FILE id="O0cKQ4" name="Mutex.h" compile="0" resource="0" file="Source/PS_Source/Mutex.h"/>
         <FILE id="MOQjrp" name="ProcessedStretch.h" compile="0" resource="0"
               file="Source/PS_Source/ProcessedStretch.h"/>
         <FILE id="TcGuiz" name="Stretch.h" compile="0" resource="0" file="Source/PS_Source/Stretch.h"/>