diff --git a/cms/djangoapps/contentstore/features/upload.py b/cms/djangoapps/contentstore/features/upload.py
index a298ff08b1..47d770dc47 100644
--- a/cms/djangoapps/contentstore/features/upload.py
+++ b/cms/djangoapps/contentstore/features/upload.py
@@ -91,7 +91,7 @@ def modify_upload(_step, file_name):
 
 
 @step('I see a confirmation that the file was deleted')
-def i_see_a_delete_confirmation(step):
+def i_see_a_delete_confirmation(_step):
     alert_css = '#notification-confirmation'
     assert world.is_css_present(alert_css)