diff --git a/include/boost/move/detail/meta_utils.hpp b/include/boost/move/detail/meta_utils.hpp
index ad5654a..5d17ba8 100644
--- a/include/boost/move/detail/meta_utils.hpp
+++ b/include/boost/move/detail/meta_utils.hpp
@@ -17,10 +17,9 @@
 #if defined(BOOST_HAS_PRAGMA_ONCE)
 #  pragma once
 #endif
-#include <boost/move/detail/config_begin.hpp>
+
 #include <boost/move/detail/workaround.hpp>  //forceinline
 #include <boost/move/detail/meta_utils_core.hpp>
-#include <cstddef>   //for std::size_t
 #include <boost/move/detail/addressof.hpp>
 
 //Small meta-typetraits to support move
@@ -558,6 +557,4 @@ template< class T > struct remove_rvalue_reference { typedef T type; };
 }  //namespace move_detail {
 }  //namespace boost {
 
-#include <boost/move/detail/config_end.hpp>
-
 #endif //#ifndef BOOST_MOVE_DETAIL_META_UTILS_HPP