diff --git a/rest_auth/registration/views.py b/rest_auth/registration/views.py
index 9b08ce3..1e7d8f6 100644
--- a/rest_auth/registration/views.py
+++ b/rest_auth/registration/views.py
@@ -16,7 +16,6 @@ from allauth.account import app_settings as allauth_settings
 
 from rest_auth.app_settings import (TokenSerializer,
                                     JWTSerializer,
-                                    KnoxTokenSerializer,
                                     create_token)
 from rest_auth.models import TokenModel
 from rest_auth.registration.serializers import (SocialLoginSerializer,