Automation data takes the form of a line graph with editable breakpoints. The easiest way to remove automation in a track or selection is to manually delete breakpoints from the automation playlist.
Removing data in this manner is different from using the Cut command, which creates anchor breakpoints at the boundaries of the remaining data. For details, see
Cutting, Copying, and Pasting Automation.
To remove automation data, display the automation playlist you want to edit by selecting it from the Track View selector, or by revealing it in an Automation lane, and do one of the following:
All automation data within the selection is removed for
all automation playlists on that track, regardless of whether automation is write-enabled for those controls.