unsee

verb

1. (transitive)To undo the act of seeing something; to erase the memory of having seen something, or otherwise reverse the effect of having seen something.

   “We have shown the world, and it cannot be unseen, it cannot be unknown, it cannot be forgotten, that Christianity cannot be defended on any ground where Infidelity can get an inch of fair play against it.”

   “I have only seen the performance once; and I would not unsee it again if I could; but none the less I am a broken man after it.”

   “once you’ve seen this you bear always the burden of its sight. And, as Laura says, you can’t unsee it.”

   “Once you saw the face of a god in those jumbled blacks and whites, it was everybody out of the pool—you could never unsee it.”

   “Once one has “seen” the well-known gestalt psychology drawing of the young woman in a fur coat, she cannot be “unseen” after one notices the alternative, an old crone”