To remove a section or a number of sections from the library
§ Choose Delete Section from the Sections submenu under the Library menu
A dialog box will appear with a list of the names of the sections in the current group

§ Click on the name of the section to be removed
If you want to remove more than one section, hold down the shift key and click or drag over the additional sections to be removed
§ Click the OK button
The sections will be removed from the library. Remember that the changes will not be made permanent until you save the library to disk using the Save Library command from the File menu.