diff --git a/include/boost/cast.hpp b/include/boost/cast.hpp
deleted file mode 100644
index ab452bd..0000000
--- a/include/boost/cast.hpp
+++ /dev/null
@@ -1,20 +0,0 @@
-//  boost cast.hpp header file
-//
-//  (C) Copyright Antony Polukhin 2014.
-//
-//  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/conversion for Documentation.
-
-// This is a DEPRECATED header file!
-// Use <boost/polymorphic_cast.hpp> or <boost/numeric/conversion/cast.hpp> instead
-
-#ifndef BOOST_CAST_HPP
-#define BOOST_CAST_HPP
-
-# include <boost/polymorphic_cast.hpp>
-# include <boost/numeric/conversion/cast.hpp>
-
-#endif  // BOOST_CAST_HPP