Chapter 3 Authentication for FortiOS 5.0 : Users and user groups : Users : Local users : Removing users
  
Removing users
Best practices dictate that when a user account is no longer in use, it be deleted. Removing local and remote users from FortiOS involve the same steps.
If the user account is references by any configuration objects those references must be removed before the user can be deleted. See “Removing references to users”.
To remove a user from the FortiOS configuration - web-based manager
1. Go to User & Device > User > User Definition.
2. Select the check box of the user that you want to remove.
3. Select Delete.
4. Select OK.
To remove a user from the FortiOS configuration - CLI example
config user local
delete user4444
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