Former President Donald Trump’s second national security adviser, Lt. Gen. H.R. McMaster, would not serve in a second Trump administration, though he’s open to the possibility of advising from the “outside.”

McMaster, who served as Trump’s top national security adviser from February 2017 to April 2018, told the Washington Examiner, “We’re kind of used up with each other,” though he maintained he “wish[es] him well if he’s elected. I want him to succeed.”