diff --git a/include/boost/python/detail/config.hpp b/include/boost/python/detail/config.hpp
index 1867b4f3..2a9ec35e 100644
--- a/include/boost/python/detail/config.hpp
+++ b/include/boost/python/detail/config.hpp
@@ -13,7 +13,6 @@
 # define CONFIG_DWA052200_H_
 
 # include <boost/config.hpp>
-# include <cstddef>
 
 # ifdef BOOST_NO_OPERATORS_IN_NAMESPACE
    // A gcc bug forces some symbols into the global namespace
@@ -41,18 +40,6 @@
 
 # endif
 
-
-// Work around the broken library implementation/strict ansi checking on some
-// EDG-based compilers (e.g. alpha), which incorrectly warn that the result of
-// offsetof() is not an integer constant expression.
-# if defined(__DECCXX_VER) && __DECCXX_VER <= 60290024
-#  define BOOST_OFFSETOF(s_name, s_member) \
-        ((size_t)__INTADDR__(&(((s_name *)0)->s_member)))
-# else
-#  define BOOST_OFFSETOF(s_name, s_member) \
-        offsetof(s_name, s_member)
-# endif
-
 // The STLport puts all of the standard 'C' library names in std (as far as the
 // user is concerned), but without it you need a fix if you're using MSVC or
 // Intel C++