diff --git a/include/boost/range/size_type.hpp b/include/boost/range/size_type.hpp
index f41c321..0a2ea81 100644
--- a/include/boost/range/size_type.hpp
+++ b/include/boost/range/size_type.hpp
@@ -83,11 +83,6 @@ namespace boost
         detail::range_size<T>
     { };
 
-    template< class T >
-    struct range_size<const T > :
-        detail::range_size<T>
-    { };
-
 } // namespace boost