You can always remove an activated device if you don’t recognize it. Hulu also makes sure that you have complete control of your account. 1. Log in to your Hulu Account using the sign-in credentials. 2. Under Your Account, you will see a Watch Hulu on Your Devices section. Now, click Manage Devices. 3. Here, you will see all the devices linked to your Hulu account. 4. There, you will have the Remove option. 5. Click on it and start removing the devices that are no longer active.