Related Clues:

• Take marks off
• Wipe the slate clean
• Dictaphone button
• Remove, in a way
• Remove marginalia
• Clean off
• Take out lines?
• Rub clean
• Shake, as an Etch A Sketch
• Find and get rid of
• Unearth
• Do more than bleep
• Purify
• Take off the board
• Delete from a disk