diff --git a/src/lager_util.erl b/src/lager_util.erl
index 090d45f..33a20be 100644
--- a/src/lager_util.erl
+++ b/src/lager_util.erl
@@ -839,6 +839,14 @@ create_test_dir() ->
     end.
 
 delete_test_dir(Dir) ->
+    case otp_version() of
+        15 ->
+            os:cmd("rm -rf " ++ Dir);
+        _ ->
+            do_delete_test_dir(Dir)
+    end.
+
+do_delete_test_dir(Dir) ->
     ListRet = file:list_dir_all(Dir),
     ?assertMatch({ok, _}, ListRet),
     {_, Entries} = ListRet,