[Fedora-directory-users] Group members management

[Lalas]

Hello all (and sorry for my poor english),
One simple example to illustrate my question :
I have one user in one group (all created with the admin console), when 
I delete the user, the group's field "Member Name" ever include the 
complete DN uid=my.user,ou=People,dc=my-domain,dc=com ... ("Member User 
ID" is empty)
Is it possible to automatically clean the Member Name field (because 
wirh 2000 users and 150 groups it's harder to manage )?
Thanks in advance.

- Lalas -