Open the Family Link app on the parent’s device
Select the child’s account
Tap Controls
Tap Account settings
Tap Account info
Tap Stop supervision
Follow the on-screen steps to confirm
If the child is old enough, sign in to the child’s Google account and remove supervision from the account settings
If the device is managed by Family Link, remove the child’s Google account from the device after supervision ends
If you cannot access the parent account, use Google’s account recovery or contact Google support