Savage, a superhero vore story
Very men in black, it was adjustable for length of memory erasure. it'd caused havoc when techmaster duplicated it, putting half the city into a repeating loop of memory. "we've talked it over. i'll erase our memories after you...afterwards.
Vex Spiders - A Desperate Job
We will be employing memory erasure from the point you began speaking with me, no matter what. we’re in unsecured space, after all. we could do _that_ regardless of your preference.”
The Offering of the Fangs 3, chapter 15
Apparently, they were developing a memory erasure serum or something like that. and i guess they succeeded, because when the galian forces found him, my stepfather was pretty much a blank slate.
Pokemon Mystery Dungeon: TRB - Satoru's Reprogramming Chapter 1
It was explained to him that the memory erasure was a typical rule of being made a realm jumper, at least, that was what palkia had claimed.
Teacup, Down On The Farm
But, on the other hoof, the fact that memory erasure had not been made a part of conversion, nor ever offered to any newfoal, sat heavily with both petal and teacup. it was such an obvious boon, yet it was never mentioned even as a possibility.