Related Clues:

• Wipe the slate
• Sudoku solvers often do it
• Clear away
• Execute
• Blank out
• Completely demagnetize, e.g.
• Crack up
• Wipe the board, e.g.
• Do away with, in a way
• Knock dead, as a crowd
• Overwhelm with one-liners
• See 20-Down
• Use the backspace
• Amuse to the max
• Unmake tracks