diff --git a/src/option.cpp b/src/option.cpp
deleted file mode 100644
index ca86e66..0000000
--- a/src/option.cpp
+++ /dev/null
@@ -1,28 +0,0 @@
-// Copyright Vladimir Prus 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)
-
-#include <boost/program_options/option.hpp>
-#include <boost/program_options/detail/convert.hpp>
-#include <boost/program_options/detail/utf8_codecvt_facet.hpp>
-
-#include <boost/bind.hpp>
-
-namespace boost { namespace program_options {
-
-    namespace {
-        
-    }
-
-    woption::woption(const option& opt)
-    {
-        this->string_key = opt.string_key;
-        this->position_key = opt.position_key;
-
-        std::transform(opt.value.begin(), opt.value.end(),
-                       back_inserter(value),
-                       bind(from_8_bit, _1, ref(facet)));
-    }
-
-}}