Related Clues:

• Blank tapes?
• Clear the slate
• Clean, as a spill
• Remove evidence of fallibility
• Do a classroom chore
• Use the backspace key
• Clean boards
• Shake an Etch-a-Sketch
• Answering machine button
• Remove from the blackboard
• Edit out
• Cancel out
• Delete relative
• Take marks off
• Wipe the slate clean