The two presidential candidates slammed Romney for his betrayal of the Republican Party and suggested that in the end, he is too irrelevant for his opinion to matter.
"Turns out he's opposed to America-First itself, not just one man," Ramaswamy said in a statement to Fox News. "Newsflash, Mitt: I didn't vote for you either, and I still call on your niece Ronna [McDaniel] to resign."
A spokesperson for the Trump campaign echoed those sentiments, saying, "Voters aren't going to take advice from a loser and quitter like Mittens."
Romney made his comments in an interview with CBS' Norah O'Donnell on Monday.