Related Clues:

• Scrape out
• Remove from the tape
• Tape over, e.g.
• Clean, as a blackboard
• Use a pencil end
• Delete from the Recycle Bin, in Windows
• Wipe off the page
• Demagnetize, say
• Demagnetize, e.g.
• Use the pink end of a pencil
• Invert one's pencil
• Burn rubber?
• Clean off the chalkboard
• Undo, as writing
• Indulge in character assassination?