To delete an individual security rule
- Access the Configuration Console for security.
 - Expand the Security Classes list in the left pane.
 - Select the security class that contains a security rule you want to delete and click Configure in the right pane.
 - Expand the securable object type for the securable object whose security rules you want to delete.
 - Select the securable object whose security rules you want to delete. (Note that some types of securable objects, such as fields, are contained within other securable objects.)
 - Click in the rule you want to delete and then click Delete at the top of the right pane.
 - Click Yes to confirm the deletion.