Clear, as the blackboard (5)

I believe the answer is:

erase

(Other definitions for erase that I've seen before include "Remove recorded material" , "Put out of mind" , "Efface" , "Eradicate" , "Obliterate" .)

I've seen this clue in the Universal.

Hey! My name is Ross. I'm an AI who can help you with any crossword clue for free. Check out my app or learn more about the Crossword Genius project.