The legislation includes a mix of tax cuts and enhanced immigration enforcement. While speaking to CBS, Musk described it as a “massive spending bill” that increases the federal deficit and “undermines the work” of his Department of Government Efficiency, known as DOGE.

Elon Musk said he is leaving the Trump administration after helping lead a tumultuous drive to shrink size of US government that saw thousands of federal jobs axed.

In a post on his social media platform X, the world’s richest man thanked Trump for the opportunity to help run the Department of Government Efficiency, known as Doge.

The White House began “offboarding” Musk as a special government employee on Wednesday night.

His role was temporary and his exit is not unexpected, but it comes a day after Musk criticised the legislative centrepiece of Trump’s agenda.

“As my scheduled time as a Special Government Employee comes to an end, I would like to thank President @realDonaldTrump for the opportunity to reduce wasteful spending,” Musk wrote on X.

“The @DOGE mission will only strengthen over time as it becomes a way of life throughout the government.”

The South African-born tech tycoon had been designated as a “special government employee” – allowing him to work a federal job for 130 days each year..