diff --git a/src/lando/api/legacy/hooks.py b/src/lando/api/legacy/hooks.py
deleted file mode 100644
index 7bb22ac4..00000000
--- a/src/lando/api/legacy/hooks.py
+++ /dev/null
@@ -1,93 +0,0 @@
-import logging
-import time
-
-from flask import (
-    Flask,
-    Response,
-    current_app,
-    g,
-    request,
-)
-
-from lando.api.legacy.sentry import sentry_sdk
-from lando.api.legacy.treestatus import TreeStatusException
-from lando.main.support import FlaskApi, problem
-from lando.utils.phabricator import PhabricatorAPIException
-
-logger = logging.getLogger(__name__)
-request_logger = logging.getLogger("request.summary")
-
-
-def request_logging_before_request():
-    g._request_start_timestamp = time.time()
-
-
-def request_logging_after_request(response: Response) -> Response:
-    summary = {
-        "errno": 0 if response.status_code < 400 else 1,
-        "agent": request.headers.get("User-Agent", ""),
-        "lang": request.headers.get("Accept-Language", ""),
-        "method": request.method,
-        "path": request.path,
-        "code": response.status_code,
-    }
-
-    start = g.get("_request_start_timestamp", None)
-    if start is not None:
-        summary["t"] = int(1000 * (time.time() - start))
-
-    request_logger.info("request summary", extra=summary)
-
-    return response
-
-
-def handle_phabricator_api_exception(exc: PhabricatorAPIException) -> Response:
-    sentry_sdk.capture_exception()
-    logger.error(
-        "phabricator exception",
-        extra={"error_code": exc.error_code, "error_info": exc.error_info},
-        exc_info=exc,
-    )
-
-    if current_app.propagate_exceptions:
-        # Mimic the behaviour of Flask.handle_exception() and re-raise the full
-        # traceback in test and debug environments.
-        raise exc
-
-    return FlaskApi.get_response(
-        problem(
-            500,
-            "Phabricator Error",
-            "An unexpected error was received from Phabricator",
-            type="https://developer.mozilla.org/en-US/docs/Web/HTTP/Status/500",
-        )
-    )
-
-
-def handle_treestatus_exception(exc: TreeStatusException) -> Response:
-    sentry_sdk.capture_exception()
-    logger.error("Tree Status exception", exc_info=exc)
-
-    if current_app.propagate_exceptions:
-        # Mimic the behaviour of Flask.handle_exception() and re-raise the full
-        # traceback in test and debug environments.
-        raise exc
-
-    return FlaskApi.get_response(
-        problem(
-            500,
-            "Tree Status Error",
-            "An unexpected error was received from Tree Status",
-            type="https://developer.mozilla.org/en-US/docs/Web/HTTP/Status/500",
-        )
-    )
-
-
-def initialize_hooks(flask_app: Flask):
-    flask_app.before_request(request_logging_before_request)
-    flask_app.after_request(request_logging_after_request)
-
-    flask_app.register_error_handler(
-        PhabricatorAPIException, handle_phabricator_api_exception
-    )
-    flask_app.register_error_handler(TreeStatusException, handle_treestatus_exception)