diff --git a/tests/config/test_registration_config.py b/tests/config/test_registration_config.py
deleted file mode 100644
index 17a84d20d8..0000000000
--- a/tests/config/test_registration_config.py
+++ /dev/null
@@ -1,78 +0,0 @@
-# Copyright 2021 The Matrix.org Foundation C.I.C.
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-# http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-from synapse.config import ConfigError
-from synapse.config.homeserver import HomeServerConfig
-
-from tests.unittest import TestCase
-from tests.utils import default_config
-
-
-class RegistrationConfigTestCase(TestCase):
- def test_session_lifetime_must_not_be_exceeded_by_smaller_lifetimes(self):
- """
- session_lifetime should logically be larger than, or at least as large as,
- all the different token lifetimes.
- Test that the user is faced with configuration errors if they make it
- smaller, as that configuration doesn't make sense.
- """
- config_dict = default_config("test")
-
- # First test all the error conditions
- with self.assertRaises(ConfigError):
- HomeServerConfig().parse_config_dict(
- {
- "session_lifetime": "30m",
- "nonrefreshable_access_token_lifetime": "31m",
- **config_dict,
- }
- )
-
- with self.assertRaises(ConfigError):
- HomeServerConfig().parse_config_dict(
- {
- "session_lifetime": "30m",
- "refreshable_access_token_lifetime": "31m",
- **config_dict,
- }
- )
-
- with self.assertRaises(ConfigError):
- HomeServerConfig().parse_config_dict(
- {
- "session_lifetime": "30m",
- "refresh_token_lifetime": "31m",
- **config_dict,
- }
- )
-
- # Then test all the fine conditions
- HomeServerConfig().parse_config_dict(
- {
- "session_lifetime": "31m",
- "nonrefreshable_access_token_lifetime": "31m",
- **config_dict,
- }
- )
-
- HomeServerConfig().parse_config_dict(
- {
- "session_lifetime": "31m",
- "refreshable_access_token_lifetime": "31m",
- **config_dict,
- }
- )
-
- HomeServerConfig().parse_config_dict(
- {"session_lifetime": "31m", "refresh_token_lifetime": "31m", **config_dict}
- )
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