diff --git a/Modular_arithmetic/include/CGAL/Modular_arithmetic/Residue_type.h b/Modular_arithmetic/include/CGAL/Modular_arithmetic/Residue_type.h
index e5ddbaa6379..9280236246d 100644
--- a/Modular_arithmetic/include/CGAL/Modular_arithmetic/Residue_type.h
+++ b/Modular_arithmetic/include/CGAL/Modular_arithmetic/Residue_type.h
@@ -59,17 +59,13 @@ public:
   typedef Residue NT;
   
 private:
-#ifdef CGAL_HEADER_ONLY
+
   static const double& get_static_CST_CUT()
   {
     static const double CST_CUT = std::ldexp( 3., 51 );
     return CST_CUT;
   }
-#else // CGAL_HEADER_ONLY
-  CGAL_EXPORT static const double  CST_CUT; 
-  static const double& get_static_CST_CUT()
-  { return Residue::CST_CUT; }
-#endif // CGAL_HEADER_ONLY
+
 
   static int& prime_int_internal()
   {
diff --git a/Modular_arithmetic/src/CGAL/Residue_type.cpp b/Modular_arithmetic/src/CGAL/Residue_type.cpp
deleted file mode 100644
index bb9fc349b82..00000000000
--- a/Modular_arithmetic/src/CGAL/Residue_type.cpp
+++ /dev/null
@@ -1,32 +0,0 @@
-// Copyright (c) Max-Planck-Institute Saarbruecken (Germany).
-// All rights reserved.
-//
-// This file is part of CGAL (www.cgal.org); you can redistribute it and/or
-// modify it under the terms of the GNU Lesser General Public License as
-// published by the Free Software Foundation; either version 3 of the License,
-// or (at your option) any later version.
-//
-// 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 Hemmer
-
-#ifndef CGAL_HEADER_ONLY
-
-#include <CGAL/Residue.h>
-#include <CGAL/Modular_arithmetic/Residue_type.h>
-
-namespace CGAL{
-
-
-const double Residue::CST_CUT = std::ldexp( 3., 51 );
-
-}
-
-#endif