--- bm_traits.hpp	2012-10-02 00:31:51 +0900
+++ bm_traits._hpp	2013-01-26 10:40:43 +0900
@@ -20,7 +20,7 @@
 #include <boost/type_traits/remove_const.hpp>
 
 #include <boost/array.hpp>
-#include <boost/tr1/tr1/unordered_map>
+#include <boost/unordered_map.hpp>
 
 #include <boost/algorithm/searching/detail/debugging.hpp>
 
@@ -35,7 +35,7 @@
     template<typename key_type, typename value_type>
     class skip_table<key_type, value_type, false> {
     private:
-        typedef std::tr1::unordered_map<key_type, value_type> skip_map;
+        typedef unordered_map<key_type, value_type> skip_map;
         const value_type k_default_value;
         skip_map skip_;