diff --git a/include/boost/pending/detail/int_iterator.hpp b/include/boost/pending/detail/int_iterator.hpp
index 9fcfffe..2d96185 100644
--- a/include/boost/pending/detail/int_iterator.hpp
+++ b/include/boost/pending/detail/int_iterator.hpp
@@ -29,7 +29,7 @@ public:
   typedef IntT value_type;
   typedef IntT& reference;
   typedef IntT* pointer;
-  typedef ptrdiff_t difference_type;
+  typedef std::ptrdiff_t difference_type;
 
   inline int_iterator() : _i(0) { }
   inline int_iterator(IntT i) : _i(i) { }
diff --git a/include/boost/pending/iterator_adaptors.hpp b/include/boost/pending/iterator_adaptors.hpp
index 121c47f..3501e6a 100644
--- a/include/boost/pending/iterator_adaptors.hpp
+++ b/include/boost/pending/iterator_adaptors.hpp
@@ -259,11 +259,7 @@ namespace detail {
   template <class Iter, class Diff>
   inline void
   advance_impl(Iter& i, Diff n, std::random_access_iterator_tag) {
-#ifdef __MWERKS__
-        i.policies().advance<Iter>(i.iter(), n);
-#else
         i.policies().advance(i.iter(), n);
-#endif
   }
 
   // Dummy versions for non-bidirectional iterators 
@@ -276,11 +272,7 @@ namespace detail {
   template <class Iter>
   inline void
   decrement_impl(Iter& i, std::bidirectional_iterator_tag) {
-#ifdef __MWERKS__
-        i.policies().decrement<Iter>(i.iter());
-#else
         i.policies().decrement(i.iter());
-#endif
   }
 
 } // namespace detail