Sean Hannity had a simple message to share on Thursday night with President Donald Trump: Purge the “Obama holdovers” sabotaging the presidency.

Hannity blamed Trump’s scandal-ridden first months in office on people from the previous administration who were still working in government. He made the assertion on the same day news broke about former national security adviser Michael Flynn concealing foreign lobbying work from the Justice Department, and hours after the Office of Government Ethics criticized the White House for failing to penalize adviser Kellyanne Conway when she plugged first daughter Ivanka Trump’s products on national television.

“It’s very important for President Trump to act right now,” Hannity said. “He’s gotta end the leaks that are plaguing this administration.”

The Fox News host said these “Obama holdovers” had gone “so low” as to “insinuate without any evidence that there’s some sort of campaign collusion with Russia.”

Many of the scandals that have rocked the White House have been caused by the very people Trump has hired. Flynn resigned from his post on Feb. 13 after it became clear he lied about meeting with Russia's ambassador to the U.S. A GOP revolt caused Andrew Puzder, Trump's pick for Labor Secretary, to withdraw his nomination. Philip M. Bilden, Trump's choice for Navy secretary, also withdrew his nomination due to conflicting business interests. And once news broke that attorney general Jeff Sessions had lied about meeting with Russia’s ambassador to the U.S. at least two times in the last year, the attorney general recused himself from any Justice Department investigations into the president's ties with Russia and the foreign power’s meddling in the 2016 election.