diff --git a/synapse/rest/synapse/client/unsubscribe.py b/synapse/rest/synapse/client/unsubscribe.py
deleted file mode 100644
index 6d4bd9f2ed..0000000000
--- a/synapse/rest/synapse/client/unsubscribe.py
+++ /dev/null
@@ -1,88 +0,0 @@
-#
-# This file is licensed under the Affero General Public License (AGPL) version 3.
-#
-# Copyright 2022 The Matrix.org Foundation C.I.C.
-# Copyright (C) 2023 New Vector, Ltd
-#
-# This program is free software: you can redistribute it and/or modify
-# it under the terms of the GNU Affero General Public License as
-# published by the Free Software Foundation, either version 3 of the
-# License, or (at your option) any later version.
-#
-# See the GNU Affero General Public License for more details:
-# <https://www.gnu.org/licenses/agpl-3.0.html>.
-#
-# Originally licensed under the Apache License, Version 2.0:
-# <http://www.apache.org/licenses/LICENSE-2.0>.
-#
-# [This file includes modifications made by New Vector Limited]
-#
-#
-
-from typing import TYPE_CHECKING
-
-from synapse.api.errors import StoreError
-from synapse.http.server import DirectServeHtmlResource, respond_with_html_bytes
-from synapse.http.servlet import parse_string
-from synapse.http.site import SynapseRequest
-
-if TYPE_CHECKING:
- from synapse.server import HomeServer
-
-
-class UnsubscribeResource(DirectServeHtmlResource):
- """
- To allow pusher to be delete by clicking a link (ie. GET request)
- """
-
- SUCCESS_HTML = b"<html><body>You have been unsubscribed</body><html>"
-
- def __init__(self, hs: "HomeServer"):
- super().__init__()
- self.notifier = hs.get_notifier()
- self.auth = hs.get_auth()
- self.pusher_pool = hs.get_pusherpool()
- self.macaroon_generator = hs.get_macaroon_generator()
-
- async def _async_render_GET(self, request: SynapseRequest) -> None:
- """
- Handle a user opening an unsubscribe link in the browser, either via an
- HTML/Text email or via the List-Unsubscribe header.
- """
- token = parse_string(request, "access_token", required=True)
- app_id = parse_string(request, "app_id", required=True)
- pushkey = parse_string(request, "pushkey", required=True)
-
- user_id = self.macaroon_generator.verify_delete_pusher_token(
- token, app_id, pushkey
- )
-
- try:
- await self.pusher_pool.remove_pusher(
- app_id=app_id, pushkey=pushkey, user_id=user_id
- )
- except StoreError as se:
- if se.code != 404:
- # This is fine: they're already unsubscribed
- raise
-
- self.notifier.on_new_replication_data()
-
- respond_with_html_bytes(
- request,
- 200,
- UnsubscribeResource.SUCCESS_HTML,
- )
-
- async def _async_render_POST(self, request: SynapseRequest) -> None:
- """
- Handle a mail user agent POSTing to the unsubscribe URL via the
- List-Unsubscribe & List-Unsubscribe-Post headers.
- """
-
- # TODO Assert that the body has a single field
-
- # Assert the body has form encoded key/value pair of
- # List-Unsubscribe=One-Click.
-
- await self._async_render_GET(request)
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