Removing Automation Tracks
To remove an automation track together with all automation events, click the parameter name, and from the pop-up menu, select Remove Parameter.
To remove all automation tracks from a track that do not contain automation events, select Remove Unused Parameters from any of its automation parameter name pop-up menus.
To remove automation tracks, you can also open the Functions menu on the Automation Panel, and select one of the options to delete automation (Cubase Pro only).