To remove an unused license from a Backblaze account, and reduce the billing total, follow these steps:
1. Visit https://secure.backblaze.com/user_signin.htm and sign in to your Backblaze account with your email address and password.
2. Click on "Overview" link in the upper left hand navigation.
3. In the Unused License area, click the Delete link and proceed with the deletion.
* Please note this does not apply to Business Groups