diff --git a/packages/application/auth/bind_contact_use_case.py b/packages/application/auth/bind_contact_use_case.py
index 7144ed666..ad4924116 100755
--- a/packages/application/auth/bind_contact_use_case.py
+++ b/packages/application/auth/bind_contact_use_case.py
@@ -5,15 +5,9 @@
 from __future__ import annotations
 
 import logging
-import secrets
-from datetime import datetime, timedelta, timezone
+from datetime import datetime, timezone
 from typing import Optional
-from uuid import uuid4
 
-import jwt as pyjwt
-
-from packages.adapters.redis import get_session_store
-from packages.application.auth.jwt_service import jwt_service
 from packages.application.auth.verification_code_service import (
     CODE_TYPE_EMAIL_BIND,
     CODE_TYPE_PHONE_BIND,
diff --git a/packages/application/auth/verification_code_service.py b/packages/application/auth/verification_code_service.py
index 413f2fa51..23bb00af9 100755
--- a/packages/application/auth/verification_code_service.py
+++ b/packages/application/auth/verification_code_service.py
@@ -9,7 +9,7 @@ from __future__ import annotations
 
 import logging
 import re
-from datetime import datetime, timedelta, timezone
+from datetime import datetime, timezone
 from typing import Optional
 
 from packages.domain.verification_code import VerificationCode