Index: boost/property_tree/ptree_fwd.hpp
===================================================================
--- boost/property_tree/ptree_fwd.hpp	(revision 61530)
+++ boost/property_tree/ptree_fwd.hpp	(working copy)
@@ -88,8 +88,10 @@
     /** Implements a path using a std::string as the key. */
     typedef string_path<std::string, id_translator<std::string> > path;
 
+#ifndef BOOST_NO_STD_WSTRING
     /** Implements a path using a std::wstring as the key. */
     typedef string_path<std::wstring, id_translator<std::wstring> > wpath;
+#endif	// ndef BOOST_NO_STD_WSTRING
 
     /**
      * A property tree with std::string for key and data, and default
Index: boost/property_tree/string_path.hpp
===================================================================
--- boost/property_tree/string_path.hpp	(revision 61530)
+++ boost/property_tree/string_path.hpp	(working copy)
@@ -57,10 +57,12 @@
         {
             return s;
         }
+#ifndef BOOST_NO_STD_WSTRING
         inline std::string dump_sequence(const std::wstring &s)
         {
             return narrow(s.c_str());
         }
+#endif // ndef BOOST_NO_STD_WSTRING
     }
 
     /// Default path class. A path is a sequence of values. Groups of values