Related Clues:

• Do an after-school detention chore
• Clear the tape
• Choice on an Edit menu
• Blank tapes?
• Counter
• Retail security device
• Repair damage
• Controvert
• Invalidate
• Clear the slate
• Invalidate, as a marriage
• Remove evidence of fallibility
• Do a classroom chore
• Go back to square one
• Use the backspace key