Lawson suffered a Q1 exit and race-ending crash at the season opener, before qualifying last for both the Sprint and Grand Prix in the second round.
Red Bull opted to take swift action amid his struggles and, from next week’s race at Suzuka, Lawson’s spot will be taken by Yuki Tsunoda.
READ MORE: ‘We have a duty of care to protect and develop Liam’ – Horner opens up on decision to replace Lawson at Red Bull
Several hours after Red Bull’s driver announcement was made, Lawson took to social media with a brief message for his followers.
“Being a [Red Bull Racing] driver has been my dream since I was a kid, it’s what I’ve worked towards my whole life,” he wrote, alongside photos from his school days.