diff --git a/include/boost/python/object_core.hpp b/include/boost/python/object_core.hpp
index dcced44f..6b0bb61d 100755
--- a/include/boost/python/object_core.hpp
+++ b/include/boost/python/object_core.hpp
@@ -176,7 +176,6 @@ namespace api
 # endif
       
    private: // def visitation for adding callable objects as class methods
-      using def_visitor<U>::visit;
       
       template <class ClassT, class DocStringT>
       void visit(ClassT& cl, char const* name, python::detail::def_helper<DocStringT> const& helper) const