If Republican presidential front-runner Donald TrumpDonald John TrumpSupreme Court comes to Trump's aid on immigration Trump is failing on trade policy Trump holds call with Netanyahu to discuss possible US-Israel defense treaty MORE skips Thursday's GOP debate moderated by Fox News, there won't be an empty lectern for him on the stage.

Republican National Committee spokesman Sean Spicer was asked by CNN's Wolf Blitzer about leaving an empty lectern on stage to draw attention to Trump's absence.

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He said it's an "unwritten rule" that an empty podium would not be shown.

"No, I think that's pretty standard for debates," Spicer said. "You know whether or not they show up or not, or whether they happen to be offstage during a commercial break, that generally both sides have always had an unwritten rule saying that empty podiums will not be shown, and of course that will be the case this time as well.”

Spicer also pointed out that when Sen. Rand PaulRandal (Rand) Howard PaulPaul calls into Wyoming TV station to talk Cheney feud Liz Cheney and Rand Paul extend war of words Marijuana industry donations to lawmakers surge in 2019: analysis MORE (R-Ky.) chose not to attend the most recent undercard debate, there was no lectern left for him.

Paul dropped out of the undercard debate out of protest for being disqualified from the main debate stage.

Trump announced Tuesday that he would not participate in the Thursday debate due to a long-running feud with moderator and Fox News anchor Megyn Kelly, whom he believes would be unfair to him.