Suspicions that Facebook (and associated apps like Instagram) are secretly recording audio through phone microphones in order to better target ads have refused to die, despite official denials dating all the way back to 2016. In today’s Senate hearing, Mark Zuckerberg addressed the urban legend yet again, issuing an absolute denial.

“Yes or no, does Facebook use audio obtained from mobile devices to enrich personal information about users?” asked Sen. Gary Peters (D-MI).

“No,” Zuckerberg responded adamantly.

He went on to elaborate that Facebook does have access to audio when people record videos on their devices for Facebook, but otherwise it doesn’t access your microphone.

“Hopefully that will dispel a lot of what I’ve been hearing,” said Peters, before moving on with his questioning. The senator said that he had heard the conspiracy theory from many people, including his staffers.

Zuckerberg’s full answer follows below: