White House chief economic adviser Larry Kudlow on Sunday described John Kelly John Francis KellyMORE's departure from the administration as "amicable," despite months of reporting about the White House chief of staff's acrimonious relationship with President Trump Donald John TrumpOmar fires back at Trump over rally remarks: 'This is my country' Pelosi: Trump hurrying to fill SCOTUS seat so he can repeal ObamaCare Trump mocks Biden appearance, mask use ahead of first debate MORE.

Kudlow said on "Fox News Sunday" that he did not know whether Kelly resigned or was forced out of his position, but that he understood it was a "very amicable" exit.

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"I think a lot of the gossip is just wrong," Kudlow said. "I think they did get along. Everybody’s going to have disagreements, that’s the way life works."

"But was he fired?" Kudlow continued. "I don’t think he was fired. I wasn’t privy to that final conversation. But the president’s had great things to say about him."

WALLACE: "Did Kelly resign or was he forced out?"

KUDLOW: "I don't know to be perfectly honest." pic.twitter.com/yrOSj50ZId — FoxNewsSunday (@FoxNewsSunday) December 9, 2018

Kudlow said he expects Trump to inform the White House staff on Monday or sometime early this week about Kelly's replacement.

Asked about Nick Ayers, the current chief of staff for Vice President Pence and a front-runner to be Kelly's replacement, Kudlow said he thinks "quite a lot" of the aide.

Trump announced as he departed Saturday for the Army-Navy football game that Kelly would depart as chief of staff by the end of the year.

Kelly joined the Trump administration in January 2017 as secretary of Homeland Security, and moved over to chief of staff in the summer of 2017.

Kelly, a retired Marine Corps general, was brought in to instill discipline in a White House rife with chaos, but in recent months his influence waned and multiple reports emerged that he had called the president an "idiot' and questioned his competence.