diff --git a/ndnboost/mpl/clear_fwd.hpp b/ndnboost/mpl/clear_fwd.hpp
new file mode 100644
index 0000000..5c7199e
--- /dev/null
+++ b/ndnboost/mpl/clear_fwd.hpp
@@ -0,0 +1,24 @@
+
+#ifndef BOOST_MPL_CLEAR_FWD_HPP_INCLUDED
+#define BOOST_MPL_CLEAR_FWD_HPP_INCLUDED
+
+// Copyright Aleksey Gurtovoy 2000-2004
+//
+// 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/mpl for documentation.
+
+// $Id: clear_fwd.hpp 49267 2008-10-11 06:19:02Z agurtovoy $
+// $Date: 2008-10-10 23:19:02 -0700 (Fri, 10 Oct 2008) $
+// $Revision: 49267 $
+
+namespace ndnboost { namespace mpl {
+
+template< typename Tag > struct clear_impl;
+template< typename Sequence > struct clear;
+
+}}
+
+#endif // BOOST_MPL_CLEAR_FWD_HPP_INCLUDED