diff -r 467d7927a901 -r 3f63d9db307b lemon/utility.h
--- a/lemon/utility.h	Wed Oct 05 13:17:42 2005 +0000
+++ b/lemon/utility.h	Wed Oct 05 13:18:51 2005 +0000
@@ -139,47 +139,6 @@
   template <class Cond, class T> 
   struct lazy_disable_if : public lazy_disable_if_c<Cond::value, T> {};
 
-  // smart referencing
-
-  template <typename _Type, typename Enable = void>
-  struct SmartReference {
-    typedef _Type& Type;
-  };
-  
-  template <typename _Type>
-  struct SmartReference<
-    _Type, 
-    typename enable_if<typename _Type::NeedCopy, void>::type
-  > {
-    typedef _Type Type;
-  };
-
-  template <typename _Type, typename Enable = void>
-  struct SmartConstReference {
-    typedef const _Type& Type;
-  };
-  
-  template <typename _Type>
-  struct SmartConstReference<
-    _Type, 
-    typename enable_if<typename _Type::NeedCopy, void>::type
-  > {
-    typedef const _Type Type;
-  };
-
-  template <typename _Type, typename Enable = void>
-  struct SmartParameter {
-    typedef _Type& Type;
-  };
-  
-  template <typename _Type>
-  struct SmartParameter<
-    _Type, 
-    typename enable_if<typename _Type::NeedCopy, void>::type
-  > {
-    typedef const _Type& Type;
-  };
-
 } // namespace lemon
 
 #endif