Conan O'Brien at the Primetime Emmy Awards on September 20, 2009 in L.A. Credit: Bruce Glikas/FilmMagic

Conan O'Brien's rep is shooting down a report that claims his last night as host of The Tonight Show will be Friday, Jan. 22.

"Not true," his rep tells "He has a scheduled hiatus the week of January 25."

Meanwhile, NBC insiders tell the Hollywood Reporter that a TMZ report claiming that Jay Leno has made a deal to return to The Tonight Show is untrue.

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On Tuesday, O'Brien's publicly refused to host a time-shifted show from 12:05-1:05 a.m.

"I cannot participate in what I honestly believe is [The Tonight Show's] destruction," he said.