This guide will walk you through canceling channels on Roku so you no longer have to pay for them.
How to Cancel Roku Subscriptions – Stop Roku from Charging Your Credit Card
If you set up a channel on your Roku through the Roku device, the quickest and easiest way to cancel it is through the Roku device itself.
Turn on your TV and use the Roku remote to select the channel you want to cancel.
Press the star button on your Roku remote to open the options menu. Select Manage Subscription.