Billionaire businessman and campaign funding powerhouse Charles Koch said in an interview broadcast Sunday that he’s been asked to contribute to the “Never Trump” movement, but has decided to focus instead on how to improve the country.

“That’s not what we do,” he said on ABC’s “This Week,” when asked why he hasn’t become involved in the “Never Trump” movement.

{mosads}”What we’re trying to do is build alliances to make the country better. Like we have one with the White House on criminal justice reform. You do it by trying to find areas where you can work with everybody.”

Koch did criticize Republican front-runner Donald Trump’s proposal to put a temporary ban on letting any Muslims enter the country, however.

“Obviously that’s antithetical to our approach, but what was worse was this, ‘We’ll have them all register,’ ” he said.

“That’s reminiscent of Nazi Germany. I mean that’s monstrous, as I said at the time.”

Koch also dodged a question about whether he is going to sit out this presidential election, saying he has to look into the nominee once a candidate is chosen.

“We’ll see,” he said.

“I mean, when we get a nominee then we’ll explore that. And we don’t want arm-waving. We want to know specifics.”