If you have an iPhone 7, there are a few ways to delete a Gmail account from the device.

  1. Open the Settings app and select the Accounts option.
  2. Scroll down and select Delete account if it’s not already selected.
  3. Tap on the button to confirm deletion and then tap on Done.
  4. If you have multiple Gmail accounts, you will need to delete them one by one in order to delete the entire account on your iPhone 7.