1 files changed, 0 insertions, 64 deletions
diff --git a/lib/asio/detail/null_mutex.hpp b/lib/asio/detail/null_mutex.hpp
deleted file mode 100644
index afe3fc0..0000000
--- a/lib/asio/detail/null_mutex.hpp
+++ /dev/null
@@ -1,64 +0,0 @@
-//
-// detail/null_mutex.hpp
-// ~~~~~~~~~~~~~~~~~~~~~
-//
-// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
-//
-// Distributed under the Boost Software License, Version 1.0. (See accompanying
-// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
-//
-
-#ifndef ASIO_DETAIL_NULL_MUTEX_HPP
-#define ASIO_DETAIL_NULL_MUTEX_HPP
-
-#if defined(_MSC_VER) && (_MSC_VER >= 1200)
-# pragma once
-#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
-
-#include "asio/detail/config.hpp"
-
-#if !defined(ASIO_HAS_THREADS)
-
-#include "asio/detail/noncopyable.hpp"
-#include "asio/detail/scoped_lock.hpp"
-
-#include "asio/detail/push_options.hpp"
-
-namespace asio {
-namespace detail {
-
-class null_mutex
-  : private noncopyable
-{
-public:
-  typedef asio::detail::scoped_lock<null_mutex> scoped_lock;
-
-  // Constructor.
-  null_mutex()
-  {
-  }
-
-  // Destructor.
-  ~null_mutex()
-  {
-  }
-
-  // Lock the mutex.
-  void lock()
-  {
-  }
-
-  // Unlock the mutex.
-  void unlock()
-  {
-  }
-};
-
-} // namespace detail
-} // namespace asio
-
-#include "asio/detail/pop_options.hpp"
-
-#endif // !defined(ASIO_HAS_THREADS)
-
-#endif // ASIO_DETAIL_NULL_MUTEX_HPP