Click a group, and then click the preset for which you want to delete the content.
Under Playlists, click Clear.
-or-
On the Edit menu, click Clear Playlist.
Notes
You can also remove content from a preset by clicking that preset and then clicking Cut on the Edit menu, by right-clicking the preset and then clicking Clear or Cut, or by pressing theDELETE key.
You can delete the content from a preset, but you cannot delete the preset itself.
You must click a preset in order to delete content from it; otherwise, the Clear command is unavailable.