Karl Rove, a former senior adviser to President George W. Bush, said Thursday that the Trump White House is better off now that Stephen Bannon has departed it — and warned Bannon to let it go.

“Mr. Bannon is not the first staffer to believe the White House agenda must mirror his own. But no other aide in memory has had such grandiose or destructive plans for trying to remain in charge after being shown the door,” Rove wrote in an op-ed titled "Good riddance to Steve Bannon" published in The Wall Street Journal.

Rove warned Bannon against any plans to hurt the Trump administration from the outside. Bannon has said his own exit signaled "the Trump presidency is over."

He also cautioned that Bannon’s goals of ousting establishment lawmakers may not be successful, noting his failure to unseat House Speaker Paul Ryan Paul Davis RyanKenosha will be a good bellwether in 2020 At indoor rally, Pence says election runs through Wisconsin Juan Williams: Breaking down the debates MORE (R-Wis.) last year.

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Rove, who has taken to the Journal’s editorial page to criticize President Trump before, also called on Trump and his aides to “grasp the basics of governing." He argued that Trump’s criticisms of Republican senators will not help him advance his agenda.

“Memo to the White House: The worst way to strengthen a president is publicly to blame his difficulties on allies,” he wrote. “The least effective way to pass an agenda is to threaten the president’s party in Congress.”

The former Bush strategist urged Trump to give the U.S. “focus, discipline and persuasion” in order to have a fruitful tenure in the White House.

“The White House and the country are better off with Mr. Bannon back at the website he described last year as ‘the platform for the alt-right.’ He will do less damage there than in the West Wing,” Rove wrote of Bannon's return to the conservative site Breitbart News.