what do you mean by delete as in just remove it from a device or close the account?
#Acc
grizzled wagon
rocky anchor
Just go to settings and remove account
plush meadow
Your Xbox account is tied to your Microsoft account, so you would lose access to anything you have purchased and would have to buy it again.
If you're 100% sure that's OK, you can follow the instructions here: https://support.microsoft.com/en-us/account-billing/how-to-close-your-microsoft-account-c1b2d13f-4de6-6e1b-4a31-d9d668849979
grizzled wagon
you can just remove the account from the device