Maintain function groups 

Choose Edit function groups to go to the function group which contains the function modules of the current maintenance dialog. The system offers the following maintenance options:

The short text and the person responsible for the function group is displayed, and you can change them.

Displays a list of the program parts in the function group that you can change. The list does not include generated program parts, since you should not change those. When you select a program part you go to the ABAP/4 Editor initial screen. The program name is copied.

Select the program parts you want to edit in a dialog box.

and choose Change.

If you want to delete the entire function group, enter the name of the group and choose Delete.