A top aide to presumptive Republican presidential nominee Donald Trump Donald John TrumpBubba Wallace to be driver of Michael Jordan, Denny Hamlin NASCAR team Graham: GOP will confirm Trump's Supreme Court nominee before the election Southwest Airlines, unions call for six-month extension of government aid MORE says the billionaire is not considering fellow billionaire Mark Cuban as potential running mate.

“A lot of people have been floated, but not to my knowledge that Mr. Trump is considering Mark Cuban as vice president,” spokeswoman Katrina Pierson said on Fox News.

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“Though it does make for good news and good TV, Mark Cuban really isn’t a consideration when we’re talking about moving America forward.”

Pierson also threw cold water on Cuban’s charge that Trump is less wealthy than he publicly claims.

“Look, I know Mark Cuban personally, and I’m not quite sure what his analysis has to do with the presidential campaign,” she said. "Mr. Trump has been very clear that he is very proud of his wealth and that he is a billionaire.

“I’m not quite sure that too many people actually believe that Mr. Trump isn’t a billionaire, considering he does have over 500 entities he’s been operating this whole time.”

Cuban, whose net worth, according to Forbes, is $3.2 billion, on Wednesday questioned if Trump is truly a billionaire, as he so often boasts.

“He’s not transparent enough for us to actually know,” he said of Trump.

Cuban late last month also expressed openness to becoming either Trump's or Democratic presidential front-runner Hillary Clinton Hillary Diane Rodham ClintonJoe Biden looks to expand election battleground into Trump country Biden leads Trump by 12 points among Catholic voters: poll The Hill's Campaign Report: Biden goes on offense MORE’s running mate.

“Absolutely,” the owner of the Dallas Mavericks basketball team said on NBC when asked about joining Clinton’s ticket. "The key would be that she’d have to go more to the center.

“I’d have the same conversation for Donald,” Cuban added. "I think Donald has a real chance to win, and that’s scary to a lot of people.

“I think he’s trying to do what he thinks is the right thing right now. But there’s just so much coming at him at once; he’s looking for shortcuts. And this is just not a job where there’s shortcuts."