Related Clues:

• Undid
• Removed from the paper
• Off the board?
• Gone from the program
• Rubbed out, in a way
• Straightened (up)
• Wiped
• Neatened up
• Demagnetized, perhaps
• Cleaned a bit, with 'up'
• Wiped away
• Made less messy
• Wiped the slate clean
• No longer on the board
• Straightened