Story highlights Trump notes that Kasich has only won his home state of Ohio

RNC Chair Priebus isn't calling for Kasich to exit

(CNN) Republican presidential front-runner Donald Trump called for rival John Kasich to pull out of the race because he mathematically cannot capture enough delegates to win the nomination before the national convention.

"Kasich shouldn't be allowed to run. Honestly, Kasich should not be allowed to run," Trump told reporters Sunday while visiting a diner in Milwaukee, adding, "He hurts Trump much more than he hurts (Ted) Cruz."

He pointed out the Ohio governor has only won one contest, the primary in his home state.

"Kasich shouldn't be allowed to continue, and the RNC (Republican National Committee) shouldn't allow him to continue," Trump said.

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