diff --git a/apps/utils/views.py b/apps/utils/views.py
index 2e0a2ca1..69545dd5 100755
--- a/apps/utils/views.py
+++ b/apps/utils/views.py
@@ -2,7 +2,6 @@
 import os
 import cv2
 from django.http import HttpResponse
-from yaml import serialize
 from apps.utils.errors import SIGN_MAKE_FAIL
 from apps.utils.sms import send_sms
 from apps.utils.speech import generate_voice