White House Counsel Ed Siskel is demanding that House Republicans end the impeachment inquiry into President Joe Biden. In a letter to House Speaker Mike Johnson (R-LA) on Friday, Siskel called the inquiry a “divisive political sideshow” and pointed out multiple reasons why it should end.

“For over a year, House Republicans have been investigating President Biden in an effort to find something — anything — to hurt the President politically. Instead, the investigation has continually turned up evidence that, in fact, the President did nothing wrong,” the letter read.

Attacking the allegations against Biden and the first family, Siskel wrote, “This impeachment inquiry in large part has been based on allegations made by troubling sources, as recent developments have made clear. In February, the source of a bribery allegation that the Majority spent much of 2023 promoting was criminally charged for making it up. Prosecutors even said he had been in contact with Russian intelligence.”

The White House counsel then criticized Republican plans to reinterview key witnesses in the case, including the president’s son, Hunter Biden.

“This is just the latest abusive tactic in this investigation. It has targeted the President’s children, grandchildren, siblings, and in-laws for no reason. It has intruded into private citizens’ personal records on everything from medical visits to birthday presents. Enough is enough. It is obviously time to move on, Mr. Speaker. This impeachment is over. There is too much important work to be done for the American people to continue wasting time on this charade,” he wrote.

Siskel’s letter follows a Fox News report that lawmakers have gotten doubtful about whether the efforts to impeach Biden will succeed, as some House Republicans told the outlet that the push is rapidly losing steam and might not be able to pull off an impeachment vote.

“I don’t think we have the will to impeach Joe Biden. … We just don’t. We’ve got a two-seat majority. You’ve got some guys in these tough districts that don’t want to alienate maybe independents or moderates. They’ve laid out a good case for impeaching Joe Biden … but I just don’t think we have the will to do it,” Rep. Troy Nehls (R-TX) said.

While Rep. Don Bacon (R-NE) praised the inquiry as a fact-finding mission that would expose American voters to the truth, he said that investigators have not uncovered solid evidence to pull an impeachment vote.

Another GOP lawmaker said on condition of anonymity that the impeachment effort is losing momentum because attention is moving to the presidential election as it draws closer.

“I think it was always going to lose steam. I think as soon as we transitioned into a formal presidential election, I don’t know that it was going to continue with the same fervor,” he said.