diff --git a/include/boost/system/detail/is_same.hpp b/include/boost/system/detail/is_same.hpp
index dc466f8e..12c1e585 100644
--- a/include/boost/system/detail/is_same.hpp
+++ b/include/boost/system/detail/is_same.hpp
@@ -5,29 +5,19 @@
 // Distributed under the Boost Software License, Version 1.0
 // http://www.boost.org/LICENSE_1_0.txt
 
+#include <type_traits>
+
 namespace boost
 {
-
 namespace system
 {
-
 namespace detail
 {
 
-template<class T1, class T2> struct is_same
-{
-    enum _vt { value = 0 };
-};
-
-template<class T> struct is_same<T, T>
-{
-    enum _vt { value = 1 };
-};
+using std::is_same;
 
 } // namespace detail
-
 } // namespace system
-
 } // namespace boost
 
 #endif // #ifndef BOOST_SYSTEM_DETAIL_IS_SAME_HPP_INCLUDED