diff --git a/include/boost/fusion/iterator/distance.hpp b/include/boost/fusion/iterator/distance.hpp
index 0cfa414d..9c6db549 100644
--- a/include/boost/fusion/iterator/distance.hpp
+++ b/include/boost/fusion/iterator/distance.hpp
@@ -34,10 +34,7 @@ namespace boost { namespace fusion
             // default implementation
             template <typename First, typename Last>
             struct apply : distance_detail::linear_distance<First, Last> 
-            {
-                BOOST_MPL_ASSERT_NOT((traits::is_random_access<First>));
-                BOOST_MPL_ASSERT_NOT((traits::is_random_access<Last>));
-            };
+            {};
         };
 
         template <>