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diff --git a/mysql/my_atomic.h b/mysql/my_atomic.h
deleted file mode 100644
index 065209d..0000000
--- a/mysql/my_atomic.h
+++ /dev/null
@@ -1,76 +0,0 @@
-#ifndef MY_ATOMIC_INCLUDED
-#define MY_ATOMIC_INCLUDED
-
-/* Copyright (c) 2006, 2016, Oracle and/or its affiliates. All rights reserved.
-
-   This program is free software; you can redistribute it and/or modify
-   it under the terms of the GNU General Public License as published by
-   the Free Software Foundation; version 2 of the License.
-
-   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 for more details.
-
-   You should have received a copy of the GNU General Public License
-   along with this program; if not, write to the Free Software
-   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA */
-
-/*
-  This header defines five atomic operations:
-
-  my_atomic_add#(&var, what)
-    'Fetch and Add'
-    add 'what' to *var, and return the old value of *var
-
-  my_atomic_fas#(&var, what)
-    'Fetch And Store'
-    store 'what' in *var, and return the old value of *var
-
-  my_atomic_cas#(&var, &old, new)
-    An odd variation of 'Compare And Set/Swap'
-    if *var is equal to *old, then store 'new' in *var, and return TRUE
-    otherwise store *var in *old, and return FALSE
-    Usually, &old should not be accessed if the operation is successful.
-
-  my_atomic_load#(&var)
-    return *var
-
-  my_atomic_store#(&var, what)
-    store 'what' in *var
-
-  '#' is substituted by a size suffix - 32, 64, or ptr
-  (e.g. my_atomic_add64, my_atomic_fas32, my_atomic_casptr).
-*/
-
-/*
-  We choose implementation as follows:
-  ------------------------------------
-  On Windows using Visual C++ the native implementation should be
-  preferrable. When using gcc we prefer the Solaris implementation
-  before the gcc because of stability preference, we choose gcc
-  builtins if available. If neither Visual C++ or gcc we still choose
-  the Solaris implementation on Solaris (mainly for SunStudio compilers).
-*/
-#if defined(_MSC_VER)
-#  include "atomic/generic-msvc.h"
-#elif defined(HAVE_SOLARIS_ATOMIC)
-#  include "atomic/solaris.h"
-#elif defined(HAVE_GCC_SYNC_BUILTINS)   /* Use old __sync by default */
-#  include "atomic/gcc_sync.h"
-#elif defined(HAVE_GCC_ATOMIC_BUILTINS) /* Use __atomic on e.g. powerpc */
-#  include "atomic/gcc_atomic.h"
-#else
-#  error Native atomics support not found!
-#endif
-
-/*
-  the macro below defines (as an expression) the code that
-  will be run in spin-loops. Intel manuals recummend to have PAUSE there.
-  It is expected to be defined in include/atomic/ *.h files
-*/
-#ifndef LF_BACKOFF
-#define LF_BACKOFF (1)
-#endif
-
-#endif /* MY_ATOMIC_INCLUDED */