diff --git a/crdt-sync/crdt_sync/_syncargs.py b/crdt-sync/crdt_sync/_syncargs.py
index 0375b84..356a799 100644
--- a/crdt-sync/crdt_sync/_syncargs.py
+++ b/crdt-sync/crdt_sync/_syncargs.py
@@ -9,7 +9,7 @@ Re-exported from :mod:`crdt_sync._sync`, so existing imports keep working.
 
 from __future__ import annotations
 
-from dataclasses import dataclass, field
+from dataclasses import dataclass
 from typing import TYPE_CHECKING
 
 if TYPE_CHECKING:
diff --git a/crdt-sync/tool/_oauth_callback.py b/crdt-sync/tool/_oauth_callback.py
index 326c513..0bf3967 100644
--- a/crdt-sync/tool/_oauth_callback.py
+++ b/crdt-sync/tool/_oauth_callback.py
@@ -9,16 +9,12 @@ request and then stop.
 from __future__ import annotations
 
 import http.server
-import time
-import urllib.parse
 import logging
 import socket
 import threading
-from typing import TYPE_CHECKING, ClassVar
-from urllib.parse import parse_qs, urlparse
-
-if TYPE_CHECKING:
-    from collections.abc import Callable
+import time
+from typing import ClassVar
+import urllib.parse
 
 _logger = logging.getLogger(__name__)