Related Clues:

• Clean off
• Take out lines?
• Rub clean
• Make evident
• Shake, as an Etch A Sketch
• Do more than bleep
• Take off the board
• Delete from a disk
• Make a VCR error, perhaps
• Get the lead out?
• Clear, as a chalkboard
• Wipe off, as a slate
• Show clearly
• Clear a window
• Do blackboard duty