diff --git a/include/boost/mpl/integral_c.hpp b/include/boost/mpl/integral_c.hpp
index e50a2af..929fcbe 100644
--- a/include/boost/mpl/integral_c.hpp
+++ b/include/boost/mpl/integral_c.hpp
@@ -31,21 +31,19 @@ struct integral_c
 
     // have to #ifdef here: some compilers don't like the 'N + 1' form (MSVC),
     // while some other don't like 'value + 1' (Borland)
-#if defined(__BORLANDC__)
-    BOOST_STATIC_CONSTANT(T, next_value = (value + 1));
-    BOOST_STATIC_CONSTANT(T, prior_value = (value - 1));
-    typedef integral_c<T, (N+1)> next;
-    typedef integral_c<T, (N-1)> prior;
-#elif defined(__IBMCPP__) || defined(__EDG_VERSION__) && __EDG_VERSION__ <= 241
+#if defined(__EDG_VERSION__) && __EDG_VERSION__ <= 241
+ private:
     BOOST_STATIC_CONSTANT(T, next_value = (N + 1));
     BOOST_STATIC_CONSTANT(T, prior_value = (N - 1));
+ public:
     typedef integral_c<T, next_value> next;
     typedef integral_c<T, prior_value> prior;
+#elif defined(__BORLANDC__) || defined(__IBMCPP__)
+    typedef integral_c<T, (N + 1)> next;
+    typedef integral_c<T, (N - 1)> prior;
 #else
-    BOOST_STATIC_CONSTANT(T, next_value = (value + 1));
-    BOOST_STATIC_CONSTANT(T, prior_value = (value - 1));
-    typedef integral_c<T, next_value> next;
-    typedef integral_c<T, prior_value> prior;
+    typedef integral_c<T, (value + 1)> next;
+    typedef integral_c<T, (value - 1)> prior;
 #endif
 
     // enables uniform function call syntax for families of overloaded