Open the email from Google ([email protected]) with the subject "Security alert for your linked Google account" or "Gmail Deletion Confirmation". Follow the deletion link in the message. If prompted, log in to the Gmail account you are deleting.
"I have multiple Gmail accounts opened on my Android phone (Samsung Galaxy S6), and I no longer need them. So, is there any way for me to delete some of them?" [New]How to Add Google Account on Android Device.
Removing a particular email makes it more difficult to get a reset link. These arguments may seem weighty enough to stop you from deleting Gmail account. But next reasons support your decision to break with this service.