diff --git a/api/client-server/definitions/wellknown/homeserver.yaml~ b/api/client-server/definitions/wellknown/homeserver.yaml~
deleted file mode 100644
index e42dfbf3..00000000
--- a/api/client-server/definitions/wellknown/homeserver.yaml~
+++ /dev/null
@@ -1,23 +0,0 @@
-# Copyright 2018 New Vector Ltd
-#
-# 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.
-title: Authentication Data
-description: |-
-  Used by clients to submit authentication information to the interactive-authentication API
-type: object
-properties:
-    base_url:
-        type: string
-        description: The base URL for the homeserver for client-server connections.
-required:
-  - base_url