Influential conservative radio host Hugh Hewitt on Wednesday called for the Republican Party to change its convention rules in order to dropas the GOP presidential nominee.

"I want to support the nominee of the party, but I think the party ought to change the nominee, because we're going to get killed with this nominee," Hewitt remarked on his program.

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"They ought to get together and let the convention decide," Hewitt said, adding there could be reason for the GOP to keep Trump if he backed away from his penchant for controversial statements.

"If Donald Trump pulls over a makeover in the next four to five weeks — great, they can keep him. It would be better if he had done so five weeks ago," Hewitt said.

Some Republicans have backed off their previous support for Trump amid condemnation of him from Republicans after Trump claimed a federal judge overseeing fraud cases against Trump University was biased because of the judge's Mexican heritage.

“It’s like ignoring stage-four cancer. You can’t do it, you gotta go attack it,” Hewitt said. “And right now the Republican Party is facing — the plane is headed towards the mountain after the last 72 hours.”

Trump issued a statement Tuesday claiming his remarks on Judge Gonzalo Curiel had been "misconstrued" and delivered a carefully scripted victory speech Tuesday night after several primaries.

"It's awful and ended bad last night," Hewitt said, referring to Trump's speech.