diff --git a/tests/test_configuration.py b/tests/test_configuration.py
index 7808fb5c8..3f2fb0669 100644
--- a/tests/test_configuration.py
+++ b/tests/test_configuration.py
@@ -1038,8 +1038,7 @@ def test_load_config_stoploss_exchange_limit_ratio(all_conf) -> None:
         validate_config_schema(all_conf)
 
 
-@pytest.mark.parametrize("keys", [("exchange", "sandbox", False),
-                                  ("exchange", "key", ""),
+@pytest.mark.parametrize("keys", [("exchange", "key", ""),
                                   ("exchange", "secret", ""),
                                   ("exchange", "password", ""),
                                   ])