diff --git a/youtube_dl/extractor/vimeo.py b/youtube_dl/extractor/vimeo.py
index 7c7f537d84..ea44095289 100644
--- a/youtube_dl/extractor/vimeo.py
+++ b/youtube_dl/extractor/vimeo.py
@@ -115,7 +115,7 @@ def _verify_video_password(self, url, video_id, webpage):
     def _real_initialize(self):
         self._login()
 
-    def _real_extract(self, url, new_video=True):
+    def _real_extract(self, url):
         url, data = unsmuggle_url(url)
         headers = std_headers
         if data is not None: