How to delete one or more channels
1 On Channels, you can delete one or more channels as follows:

To delete a single channel, point to the arrow next to the channel name, and choose Delete.

To delete multiple channels at the same time, select the channels you want to delete. Alternatively, to select all channels on the current page, select the box next to Name. To select all channels in the Encyclopedia volume, select Select all channels.
Point to Act upon selected roles, and choose Delete.
2 Confirm the deletion.