diff --git a/youtube_dl/extractor/hypem.py b/youtube_dl/extractor/hypem.py
index 6a95da900..6d0d847c6 100644
--- a/youtube_dl/extractor/hypem.py
+++ b/youtube_dl/extractor/hypem.py
@@ -6,7 +6,6 @@ import time
 
 from .common import InfoExtractor
 from ..utils import (
-    compat_str,
     compat_urllib_parse,
     compat_urllib_request,