President Trump attacked the late Sen. John McCain Saturday over recently revealed evidence that the Arizona lawmaker helped push Russia-collusion rumors in the weeks after Trump’s election.

“Spreading the fake and totally discredited Dossier ‘is unfortunately a very dark stain against John McCain,’” Trump tweeted, quoting former independent counsel Ken Starr.

Trump continued that McCain “had far worse ‘stains’ than this, including thumbs down on repeal and replace [Obamacare] after years of campaigning to repeal and replace!”

David Kramer, a former State Department official and close McCain associate, testified in a 2017 deposition that McCain sent him to London in 2016 to obtain a copy of the dossier that British ex-spy Christopher Steele had produced as opposition research for Hillary Clinton’s presidential campaign.

The dossier contained damning – and still unproven – allegations that Trump or his aides had colluded with Russia to influence the 2016 election.

Kramer testified that he then gave the dossier to McCain, several Obama Administration officials, and multiple media outlets – including Buzzfeed, which published it weeks later.

His testimony was unsealed Thursday and reported in the Daily Caller.

McCain and Trump were frequent antagonists during the 2016 election and after Trump won the White House. Their antipathy ran so deep that McCain, who died of brain cancer in August, refused to allow the president to attend his funeral.