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diff --git a/src/ceph/src/common/simple_spin.h b/src/ceph/src/common/simple_spin.h
deleted file mode 100644
index dc86dd0..0000000
--- a/src/ceph/src/common/simple_spin.h
+++ /dev/null
@@ -1,41 +0,0 @@
-// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
-// vim: ts=8 sw=2 smarttab
-/*
- * Ceph - scalable distributed file system
- *
- * Copyright (C) 2011 New Dream Network
- *
- * This is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License version 2.1, as published by the Free Software
- * Foundation.  See file COPYING.
- *
- */
-
-#ifndef CEPH_SIMPLE_SPIN_H
-#define CEPH_SIMPLE_SPIN_H
-
-#include <atomic>
-
-inline void simple_spin_lock(std::atomic_flag& lock)
-{
- while(lock.test_and_set(std::memory_order_acquire))
-  ;
-}
-
-inline void simple_spin_unlock(std::atomic_flag& lock)
-{
- lock.clear(std::memory_order_release);
-}
-
-inline void simple_spin_lock(std::atomic_flag *lock)
-{
- simple_spin_lock(*lock);
-}
-
-inline void simple_spin_unlock(std::atomic_flag *lock)
-{
- simple_spin_unlock(*lock);
-}
-
-#endif