diff --git a/youtube_dl/extractor/changba.py b/youtube_dl/extractor/changba.py
index 6d8b07b21..62ecec964 100644
--- a/youtube_dl/extractor/changba.py
+++ b/youtube_dl/extractor/changba.py
@@ -4,10 +4,7 @@ from __future__ import unicode_literals
 import base64
 
 from .common import InfoExtractor
-from ..utils import (
-    int_or_none,
-    RegexNotFoundError,
-)
+from ..utils import RegexNotFoundError
 
 
 class ChangbaIE(InfoExtractor):