(CNN) South Carolina Republicans could forgo their 2020 presidential primary in a show of support for President Donald Trump, the party chairman told CNN, a move that could frustrate efforts of possible GOP challengers.

State Republican Party Chairman Drew McKissick said a final decision won't be made until this summer, when the party's executive committee meets. But he suggested that such a move would be on the table and likely to receive the party's stamp of approval.

"Why have taxpayers pay for a primary? Our party totally supports the President," McKissick said.

This would not be the first time that Republicans nixed the "first-in-the-South primary" and endorsed the incumbent president. They did so for President Ronald Reagan in 1984 and again in 2004 for President George W. Bush.

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