Are you Looking for how to delete your Google wallet account?
Your on the right place.. As you know, Google wallet is the mobile payments system established by Google.
As for other Google services, you can sign into your Google wallet account using single sign on from your Gmail account.
To delete Google wallet service from your Google account its easy, just log in using your google Login id and password (I mean your gmail) and use the bellow given link.
The link will take you to the form in which you will fill and request your wallet service to be deactivated.
Here is the link to delete your Google Wallet account : https://support.google.com/wallet/contact/general_c2c
