diff --git a/include/boost/iostreams/detail/compose.hpp b/include/boost/iostreams/detail/compose.hpp
deleted file mode 100755
index d4391ef..0000000
--- a/include/boost/iostreams/detail/compose.hpp
+++ /dev/null
@@ -1,91 +0,0 @@
-// (C) Copyright Jonathan Turkanis 2003.
-// Distributed under the Boost Software License, Version 1.0. (See accompanying
-// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt.)
-
-// See http://www.boost.org/libs/iostreams for documentation.
-
-// Contains the definition of the class template access_control, which
-// allows the type of inheritance from a provided base class to be specified 
-// using a template parameter.
-
-#ifndef BOOST_IOSTREAMS_DETAIL_COMPOSE_HPP_INCLUDED
-#define BOOST_IOSTREAMS_DETAIL_COMPOSE_HPP_INCLUDED
-
-#if defined(_MSC_VER) && (_MSC_VER >= 1020)
-# pragma once
-#endif        
-
-#include <boost/iostreams/categories.hpp>
-#include <boost/iostreams/detail/adapter/concept_adapter.hpp>
-#include <boost/iostreams/io_traits.hpp>
-#include <boost/iostreams/is_filter.hpp>
-#include <boost/iostreams/operations.hpp>
-   
-namespace boost { namespace iostreams { namespace detail {
-
-template<typename Composition, typename Concept>
-struct composition {
-    typedef BOOST_IOSTREAMS_CAR_TYPE(Concept) char_type;
-    typedef typename
-            mpl::if_< 
-                is_filter<Concept>, 
-                filter_tag, 
-                device_tag
-            >::type                    base_tag;
-    typedef typename
-            mpl::if_< 
-                is_filter<Concept>, 
-                filter_tag, 
-                device_tag
-            >::type                    mode_tag;
-    struct category1
-        : base_tag,
-          dual_use_tag,
-          closable_tag,
-          localizable_tag 
-        { };
-          
-
-
-
-
-};
-
-struct null_piper { 
-    template<typename Chain>
-    void push(Chain& chn) const { }
-};
-
-template<typename Piper, typename Concept>
-struct piper {
-    piper(const Concept& concept) 
-        : p_(0), concept_(&concept) 
-        { 
-            BOOST_STATIC_ASSERT((is_same<Piper, null_piper>::value));
-        }
-    piper(const Piper& p, const Concept& concept) 
-        : p_(&p), concept_(&concept) 
-        { 
-            BOOST_STATIC_ASSERT((!is_same<Piper, null_piper>::value));
-        }
-    template<typename Chain>
-    void push(Chain& chn) const 
-        { 
-            if (p_) p_->push(chn);
-            chn.push(*concept_); 
-        }
-    const Piper*    p_;
-    const Concept*  concept_;
-};
-
-template<typename Piper, typename Filter, typename Concept>
-piper<piper<Piper, Filter>, Concept>
-operator|(const piper<Piper, Filter>& p, const Concept& cpt)
-{
-    BOOST_STATIC_ASSERT(is_filter<Filter>::value);
-    return piper<piper<Piper, Filter>, Concept>(p, cpt);
-}
-
-} } } // End namespaces iostreams, boost.
-
-#endif // #ifndef BOOST_IOSTREAMS_DETAIL_COMPOSE_HPP_INCLUDED