Or, go to your Roku account page, select Manage your subscriptions, and select Cancel next to Hulu. If you didn't sign up through your Roku account, then you must use another method to cancel Hulu.

Open Hulu app on the device and go to Profile in the bottom right of your screen. As you scroll down on your account, you will see the Cancel Your Subscription option.

Go to the Hulu website or app and sign in to your account. Select your Account profile in the top-right corner. Scroll down to Your Subscription. Select Cancel next to your subscription.