diff --git a/include/boost/unordered/detail/implementation.hpp b/include/boost/unordered/detail/implementation.hpp
index afbfb2a2..937b0a0e 100644
--- a/include/boost/unordered/detail/implementation.hpp
+++ b/include/boost/unordered/detail/implementation.hpp
@@ -4046,11 +4046,6 @@ struct table_unique : boost::unordered::detail::table<Types>
             // Note: can't use get_key as '*i' might not be value_type - it
             // could be a pair with first_types as key_type without const or
             // a different second_type.
-            //
-            // TODO: Might be worth storing the value_type instead of the
-            // key here. Could be more efficient if '*i' is expensive. Could
-            // be less efficient if copying the full value_type is
-            // expensive.
             insert_range_impl2(extractor::extract(*i), i, j);
         }
     }