Cannot delete messenger stickers from my gallery, drive, or downloads!

[Android Central Question]

Every.Single.Sticker from messenger is saved in my gallery. Like over 1000! It's taking up all my storage. I've tried what the other comments suggest. I tried going into my picture in the downloaded folder but it only lets me copy them to my drive they.will.not.delete! I'm going insane grrr please help. I have a Moto e4 if that helps