diff --git a/include/boost/unordered/detail/foa/concurrent_table.hpp b/include/boost/unordered/detail/foa/concurrent_table.hpp
index 88d31455..cd2061c8 100644
--- a/include/boost/unordered/detail/foa/concurrent_table.hpp
+++ b/include/boost/unordered/detail/foa/concurrent_table.hpp
@@ -215,7 +215,6 @@ struct concurrent_table_arrays:table_arrays<Value,Group,SizePolicy>
         typename boost::allocator_rebind<Allocator,group_access>::type;
       using access_traits=boost::allocator_traits<access_alloc>;
       using pointer=typename access_traits::pointer;
-      using pointer_traits=boost::pointer_traits<pointer>;
 
       BOOST_TRY{
         auto aal=access_alloc(al);