You can delete Gmail from your Google Account at any time. If you're sure you won't use Gmail in the future, please follow these steps to delete it:
- Sign in to your Gmail account.
- Click Settings at the top of any Gmail page.
- Click Accounts in the Settings menu bar.
- Click Google Account settings.
- Click the Edit link next to 'My products.'
- Click Delete Gmail Service and fill in the required fields.
- Got to the Gmail Application by clicking the Gmail icon.
- Click the Menu button and select Accounts
- Click the Account you wish to delete
- You will see a list of your Gmail accounts, click the Menu button again, there is only one option, Account Settings.
- Scroll down to Manage Accounts
- Click on the Account you wish to delete.
- Click Remove Account