diff --git a/youtube_dl/extractor/raywenderlich.py b/youtube_dl/extractor/raywenderlich.py
index 2a90677f4..640c3ee23 100644
--- a/youtube_dl/extractor/raywenderlich.py
+++ b/youtube_dl/extractor/raywenderlich.py
@@ -7,7 +7,6 @@ from .vimeo import VimeoIE
 from ..utils import (
     extract_attributes,
     ExtractorError,
-    orderedSet,
     smuggle_url,
     unsmuggle_url,
     urljoin,