I tried twice to clean up this item:
https://www.wikidata.org/w/index.php?title=Q435258&dir=prev&offset=20151208134913&limit=5&action=history
but for some reason, even though I saved my edits after removing manually all labels, they were still there when I reloaded the page.
Description
Description
Event Timeline
Comment Actions
Is this still happening? (I am not sure which aliases you wanted to remove so don't want to test myself and mess it up.)