Remove Tag do not remove… Taf

I would like to use the “Buk move by tag” to juste Delete (do not move) some tags from my posts, so I choose in the left side the the tag I want to delete and in the right side I left the forsst option which is “remove tag” then I click on the button just below “bulk move”, and I get this message : “Moved 0 posts from the selected tag “
Thanks

https://ww.wp.xz.cn/plugins/bulk-move/