Jamie Dimon, the billionaire head of the U.S.’ biggest bank, lauded Tesla CEO Elon Musk, the richest man on the planet and a key part of President Donald Trump’s administration, this week, putting an end to years of head-butting between the billionaires’ companies as Dimon becomes the latest billionaire warming to Musk or Trump.

JPMorgan Chase CEO Jamie Dimon and Tesla chief Elon Musk, once adversaries in a prolonged legal battle, have settled their differences, the banker told CNBC in an interview on Wednesday.