diff --git a/backend/app/api/auth.py b/backend/app/api/auth.py
index eec8389..d4addbd 100644
--- a/backend/app/api/auth.py
+++ b/backend/app/api/auth.py
@@ -75,11 +75,11 @@ def _raise_csrf_rejected() -> None:
 
 def get_request_auth_context(
     request: Request,
-    credentials: Annotated[HTTPAuthorizationCredentials | None, Depends(bearer_auth)],
-    csrf_header: Annotated[str | None, Header(default=None, alias=CSRF_HEADER_NAME)],
-    csrf_cookie: Annotated[str | None, Cookie(default=None, alias=CSRF_COOKIE_NAME)],
-    session_cookie: Annotated[str | None, Cookie(default=None, alias=SESSION_COOKIE_NAME)],
-    session: Annotated[Session, Depends(get_session)],
+    credentials: HTTPAuthorizationCredentials | None = Depends(bearer_auth),
+    csrf_header: str | None = Header(None, alias=CSRF_HEADER_NAME),
+    csrf_cookie: str | None = Cookie(None, alias=CSRF_COOKIE_NAME),
+    session_cookie: str | None = Cookie(None, alias=SESSION_COOKIE_NAME),
+    session: Session = Depends(get_session),
 ) -> AuthContext:
     """Authenticates auth session token and validates CSRF for cookie sessions."""