Apple Logic Express 9 - Manual (Page 487)

To remove a take region section from the comp sections
µ
Shift-click the take region section.
To remove an entire take region from the comp sections
µ
Shift-click the take region header area.
Note: If the take region does not contain any comp selections, all unselected areas in
other take regions are selected in the take region you click.
487 Chapter 15 Editing Audio Take Recordings