diff --git a/Matrix_search/include/CGAL/Pierce_rectangles_2_traits.h b/Matrix_search/include/CGAL/Pierce_rectangles_2_traits.h
deleted file mode 100644
index 60ee519a14c..00000000000
--- a/Matrix_search/include/CGAL/Pierce_rectangles_2_traits.h
+++ /dev/null
@@ -1,49 +0,0 @@
-// Copyright (c) 1998-2003  ETH Zurich (Switzerland).
-// All rights reserved.
-//
-// This file is part of CGAL (www.cgal.org); you may redistribute it under
-// the terms of the Q Public License version 1.0.
-// See the file LICENSE.QPL distributed with CGAL.
-//
-// Licensees holding a valid commercial license may use this file in
-// accordance with the commercial license agreement provided with the software.
-//
-// This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
-// WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
-//
-// $URL$
-// $Id$
-// 
-//
-// Author(s)     : Michael Hoffmann <hoffmann@inf.ethz.ch>
-
-#if ! (CGAL_PIERCE_RECTANGLES_2_TRAITS_H)
-#define CGAL_PIERCE_RECTANGLES_2_TRAITS_H 1
-
-#include <CGAL/Point_2.h>
-
-CGAL_BEGIN_NAMESPACE
-
-template < class R_ >
-struct Piercing_traits_cartesian {
-  // types
-  typedef R_                           R;
-  typedef typename R::FT               FT;
-  typedef Point_2< R >                 Point_2;
-  // constructions
-  typedef Infinity_distance_2< R >     Infinity_distance_2;
-
-  // get object methods:
-  Infinity_distance_2
-  get_infinity_distance_2() const
-  { return Infinity_distance_2(); }
-
-}; // Piercing_traits_cartesian
-CGAL_END_NAMESPACE
-
-
-#endif // ! (CGAL_PIERCE_RECTANGLES_2_TRAITS_H)
-// ----------------------------------------------------------------------------
-// ** EOF
-// ----------------------------------------------------------------------------
-