diff --git a/include/mapnik/value/hash.hpp b/include/mapnik/value/hash.hpp
index 81a27019a..1c6b57216 100644
--- a/include/mapnik/value/hash.hpp
+++ b/include/mapnik/value/hash.hpp
@@ -56,11 +56,6 @@ struct value_hasher
         return static_cast<std::size_t>(val.hashCode());
     }
 
-    std::size_t operator()(value_integer val) const
-    {
-        return static_cast<std::size_t>(val);
-    }
-
     template <class T>
     std::size_t operator()(T const& val) const
     {
@@ -74,10 +69,7 @@ struct value_hasher
 template <typename T>
 std::size_t value_hash(T const& val)
 {
-    std::size_t seed = 0;
-    detail::hash_combine(seed, util::apply_visitor(detail::value_hasher(), val));
-    detail::hash_combine(seed, val.which());
-    return seed;
+    return util::apply_visitor(detail::value_hasher(), val);
 }
 
 } // namespace mapnik