Senate Majority Leader Mitch McConnellAddison (Mitch) Mitchell McConnellOvernight Defense: House passes T spending package with defense funds | Senate set to vote on blocking Saudi arms sales | UN nominee defends climate change record Overnight Defense: House passes T spending package with defense funds | Senate set to vote on blocking Saudi arms sales | UN nominee defends climate change record Senate to vote Thursday to block Trump's Saudi arms deal MORE (R-Ky.) said Friday that legislation protecting special counsel Robert MuellerRobert (Bob) Swan MuellerKamala Harris says her Justice Dept would have 'no choice' but to prosecute Trump for obstruction Kamala Harris says her Justice Dept would have 'no choice' but to prosecute Trump for obstruction Dem committees win new powers to investigate Trump MORE was not needed because he doesn't believe President TrumpDonald John TrumpBooker hits Biden's defense of remarks about segregationist senators: 'He's better than this' Booker hits Biden's defense of remarks about segregationist senators: 'He's better than this' Trump says Democrats are handing out subpoenas 'like they're cookies' MORE will fire the special counsel.

"It's not necessary. The Mueller investigation is not under threat. The president said repeatedly that he's not going to dismiss the Mueller investigation. He's said repeatedly it's going to be allowed to finish. That also happens to be my view," McConnell told reporters in Kentucky.

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McConnell has said he does not believe legislation passed by the Judiciary Committee last year — which would give a special counsel an "expedited review" of their firing and allow them to be reinstated if a court determines it wasn't for a good cause — is needed.

GOP Sen. Jeff FlakeJeffrey (Jeff) Lane FlakeDemocrats needle GOP on standing up to Trump Democrats needle GOP on standing up to Trump Amash gets standing ovation at first town hall after calling for Trump's impeachment MORE (Ariz.) will go to the Senate floor next week to try to get a vote on the bill, but is expected to be blocked from getting a vote. McConnell added Friday that "it's not going to come up because it isn't necessary."

But his comments on Friday come as Trump's decision to oust Attorney General Jeff SessionsJefferson (Jeff) Beauregard SessionsAlabama senator: Sessions hasn't ruled out Senate bid Alabama senator: Sessions hasn't ruled out Senate bid The Hill's Morning Report - Trump to kick off bid for second term in Florida MORE has sparked new concerns among Democrats, and some Republicans, that Trump may be trying to interfere in the investigation, which he has decried as a "witch hunt." Acting Attorney General Matthew Whitaker has been critical of the investigation.

McConnell, while acknowledging that the president has "expressed his point of view" on the investigation, added that he speaks with Trump frequently and "there has never been any indication that he wants to dismiss Mueller or the investigation."

"I can't imagine, I can't imagine something like that would happen. It's not going to happen," he said. "You're trying to get me to speculate about things that I'm confident are not going to happen."