diff --git a/synapse/util/versionstring.py b/synapse/util/versionstring.py
deleted file mode 100644
index c144ff62c1..0000000000
--- a/synapse/util/versionstring.py
+++ /dev/null
@@ -1,85 +0,0 @@
-# Copyright 2016 OpenMarket Ltd
-# 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.
-
-import logging
-import os
-import subprocess
-from types import ModuleType
-from typing import Dict
-
-logger = logging.getLogger(__name__)
-
-version_cache: Dict[ModuleType, str] = {}
-
-
-def get_version_string(module: ModuleType) -> str:
- """Given a module calculate a git-aware version string for it.
-
- If called on a module not in a git checkout will return `__version__`.
-
- Args:
- module: The module to check the version of. Must declare a __version__
- attribute.
-
- Returns:
- The module version (as a string).
- """
-
- cached_version = version_cache.get(module)
- if cached_version is not None:
- return cached_version
-
- # We want this to fail loudly with an AttributeError. Type-ignore this so
- # mypy only considers the happy path.
- version_string = module.__version__ # type: ignore[attr-defined]
-
- try:
- cwd = os.path.dirname(os.path.abspath(module.__file__))
-
- def _run_git_command(prefix: str, *params: str) -> str:
- try:
- result = (
- subprocess.check_output(
- ["git", *params], stderr=subprocess.DEVNULL, cwd=cwd
- )
- .strip()
- .decode("ascii")
- )
- return prefix + result
- except (subprocess.CalledProcessError, FileNotFoundError):
- return ""
-
- git_branch = _run_git_command("b=", "rev-parse", "--abbrev-ref", "HEAD")
- git_tag = _run_git_command("t=", "describe", "--exact-match")
- git_commit = _run_git_command("", "rev-parse", "--short", "HEAD")
-
- dirty_string = "-this_is_a_dirty_checkout"
- is_dirty = _run_git_command("", "describe", "--dirty=" + dirty_string).endswith(
- dirty_string
- )
- git_dirty = "dirty" if is_dirty else ""
-
- if git_branch or git_tag or git_commit or git_dirty:
- git_version = ",".join(
- s for s in (git_branch, git_tag, git_commit, git_dirty) if s
- )
-
- version_string = f"{version_string} ({git_version})"
- except Exception as e:
- logger.info("Failed to check for git repository: %s", e)
-
- version_cache[module] = version_string
-
- return version_string
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