Cancelling your Drive Connect subscription
You can cancel your Drive Connect subscription from within the app by following these steps:
In Salesforce go to the Drive Connect app under the App Launcher.
Click on the first step called License & Permissions under the setup tab.
Click the Manage Plan button to go to the Manage Plan screen.
At the bottom left of the Manage Plan screen you will see a Cancel Subscription link. Click it and confirm that you want to cancel your subscription.
Once this is completed you will no longer be charged your monthly subscription fee and Drive Connect will return to an expired trial state. Any documents you have linked in the app will remain accessible as Salesforce File links however you will not be able to access them via the Drive Links component or add new ones. To remove Drive Connect from your org simply uninstall the Drive Connect managed package following these steps.