diff --git a/aqt/main.py b/aqt/main.py
index fa543ab2c..380012064 100644
--- a/aqt/main.py
+++ b/aqt/main.py
@@ -918,7 +918,7 @@ will be lost. Continue?"""))
 
     def deleteUnused(self, unused, diag):
         if not askUser(
-            _("Delete unused media? This operation can not be undone.")):
+            _("Delete unused media?")):
             return
         mdir = self.col.media.dir()
         for f in unused: