Help & troubleshooting for channels on your Roku device, including adding/removing channels, logging in to, authenticating, or activating a channel, channel-specific playback issues, assistance contacting channel publishers to report issues, and adjusting channel-specific settings.
Have you tried removing the channel through the Roku Channel Store? You can do this by opening the Channel Store, locating the channel you wish to remove and selecting Remove channel from the channel options.
We would also recommend restarting your device and the removing the channels. What channels are you trying to remove?
Please keep us posted and we will continue to assist you from there.