diff --git a/youtube_dl/extractor/youtube.py b/youtube_dl/extractor/youtube.py
index a9e4443510..3b3678c6e6 100644
--- a/youtube_dl/extractor/youtube.py
+++ b/youtube_dl/extractor/youtube.py
@@ -28,7 +28,6 @@
     get_element_by_attribute,
     get_element_by_id,
     int_or_none,
-    js_to_json,
     OnDemandPagedList,
     orderedSet,
     unescapeHTML,