kill - cause to die; put to death, usually intentionally or knowingly; "This man killed several people when he tried to rob a bank"; "The farmer killed a pig for the holidays"

sponge - erase with a sponge; as of words on a blackboard

delete, cancel - remove or make invisible; "Please delete my name from your list"

scratch out, cut out - strike or cancel by or as if by rubbing or crossing out; "scratch out my name on that list"

recording, transcription - the act of making a record (especially an audio record); "she watched the recording from a sound-proof booth"

take away, take out - take out or remove; "take out the chicken after adding the vegetables"

demagnetise, demagnetize - erase (a magnetic storage device)