Elon Musk has told Justin Trudeau he “doesn’t matter” after the outgoing Canadian prime minister dismissed Donald Trump’s plan for the U.S. to take over its northern neighbor. The key adviser to the president-elect jabbed Trudeau on his X social media platform (formerly Twitter) after the prime minister announced Monday he is to resign.

After promising to cut $2 trillion from the federal budget, the Tesla founder called $1 trillion an “epic” goal. Still, he described the government as “target-rich,” boasting: “You can close your eyes and you can’t miss.