diff --git a/src/tuple.cpp b/src/tuple.cpp
deleted file mode 100644
index 85ed977..0000000
--- a/src/tuple.cpp
+++ /dev/null
@@ -1,34 +0,0 @@
-//  tuple.cpp -----------------------------------------------------
-
-// Copyright (C) 1999, 2000, 2001 Jaakko Järvi (jaakko.jarvi@cs.utu.fi)
-// Copyright (C) 2001 Gary Powell (gary.powell@sierra.com)
-//
-// Permission to copy, use, sell and distribute this software is granted
-// provided this copyright notice appears in all copies. 
-// Permission to modify the code and to distribute modified code is granted
-// provided this copyright notice appears in all copies, and a notice 
-// that the code was modified is included with the copyright notice.
-//
-// This software is provided "as is" without express or implied warranty, 
-// and with no claim as to its suitability for any purpose.
-
-// For more information, see http://lambda.cs.utu.fi 
-
-// Revision History 
-
-// 16 02 01 Initial Version (GWP)
-// ----------------------------------------------------------------- 
-
-#include "boost/tuple/tuple_io.hpp"
-
-namespace boost {
-namespace tuples {
-namespace detail {
-   
-const int
- format_info::stream_index[number_of_manipulators] 
-   = { std::ios::xalloc(), std::ios::xalloc(), std::ios::xalloc() };
-   
-} // namespace detail
-} // namespace tuples   
-} // namespace boost