Topic. Wipe the drywall so that it's clear of dust before you prime. Leave the dust on the drywall to add texture and for the dust to act as a filler for micro holes. Vote View Results Topic. - Results (5 votes) Wipe the drywall so that it's clear of dust before you prime. 100% (5 votes) 5 Leave the dust on the drywall to add texture and for the dust to act as a filler for micro holes. 0% (0 votes) 0 Show Voting Form What are you supposed to do? Ive read BOTH of these online and not sure which is right.