GOP front-runner Donald Trump Donald John TrumpHR McMaster says president's policy to withdraw troops from Afghanistan is 'unwise' Cast of 'Parks and Rec' reunite for virtual town hall to address Wisconsin voters Biden says Trump should step down over coronavirus response MORE's campaign has lost the head of its Texas operations less than two months before the state's primary, according to the Texas Tribune.

It's unclear if Corbin Casteel quit or was fired.

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Casteel joined the campaign in October, just months after he told the San Antonio Express-News that the Trump campaign wasn't serious.

"I don't know of anyone in the party who looks at him like a fellow Republican. He's an entertainer," he said. "I believe it's a universal view that Donald Trump is a joke."

The Texas primary is on March 1.