diff --git a/bind_visitor.cpp b/bind_visitor.cpp
index 3e79579..1ce7b53 100644
--- a/bind_visitor.cpp
+++ b/bind_visitor.cpp
@@ -31,32 +31,18 @@
 #pragma warning(pop)
 #endif
 
-// default implementation of visit_each
-
-namespace boost
-{
-    template<class V, class T> void visit_each(V & v, T const & t, long)
-    {
-        v(t, 0);
-    }
-}
-
-// visitor
-
-int hash = 0;
+//
 
 struct visitor
 {
-    template<class T> void operator()(boost::reference_wrapper<T> const & r, int) const
+    template<class T> void operator()( boost::reference_wrapper<T> const & r ) const
     {
         std::cout << "Reference to " << typeid(T).name() << " @ " << &r.get() << " (with value " << r.get() << ")\n";
-        hash += r.get();
     }
 
-    template<class T> void operator()(T const &, long) const
+    template<class T> void operator()( T const & t ) const
     {
-        std::cout << "Value of type " << typeid(T).name() << '\n';
-        ++hash;
+        std::cout << "Value of type " << typeid(T).name() << " (with value " << t << ")\n";
     }
 };
 
@@ -70,26 +56,10 @@ int f(int & i, int & j, int)
 int x = 2;
 int y = 7;
 
-int detect_errors(bool x)
-{
-    if(x)
-    {
-        std::cerr << "no errors detected.\n";
-        return 0;
-    }
-    else
-    {
-        std::cerr << "test failed.\n";
-        return 1;
-    }
-}
-
 int main()
 {
     using namespace boost;
 
     visitor v;
     visit_each(v, bind<int>(bind(f, ref(x), _1, 42), ref(y)), 0);
-
-    return detect_errors(hash == 12);
 }