To cancel a paid membership, click Cancel membership.
Note: Paid members who haven't used their Prime benefits, including the Kindle Owners' Lending Library, One Day Delivery and Prime Instant Video, will be eligible for a full refund.
To cancel a free trial, click Do not upgrade.
Note: If you have a free trial you'll receive benefits until your free trial period ends. Then your membership will cancel, and your card won't be charged. If you decide later in the free trial to continue your membership, you can change this setting back by clicking Continue membership.
You can cancel a paid or free Amazon Prime membership in the Settings section of Your Account.