diff --git a/src/template/utEtsFold.erl b/src/template/utEtsFold.erl
index 3cbbfef..84c78d4 100644
--- a/src/template/utEtsFold.erl
+++ b/src/template/utEtsFold.erl
@@ -126,8 +126,8 @@ new_bag(Count) ->
 
 replace(Key) ->
    [{Key, Map}] = ets:lookup(test_replace, Key),
-   NewMap = Map#{aaa => aaa},
-   Ms = ets:fun2ms(fun({Key1, OldMap}) when Key =/= Key1 -> {Key1, 1} end),
+   _NewMap = Map#{aaa => aaa},
+   Ms = ets:fun2ms(fun({Key1, _OldMap}) when Key =/= Key1 -> {Key1, 1} end),
    ets:select_replace(test_replace, Ms).
 replace2(Key) ->
    [{Key, Map} = Old] = ets:lookup(test_replace, Key),