To delete a policy, you must unassign the resources that are mapped to the policy.
To unassign a resource:
- Navigate to Configuration Management > Network Configuration. 
- Under POLICIES, click the three-dot icon adjacent to a rule that you want to remove. 
- Click Edit. 
- In the EDIT POLICY page, under Assign Resources, select the resource you want to unassign. 
- Click the three-dot icon adjacent to the resource and click Unassign.  - The resource is unassigned from the policy. 
Once you unassign a resource, you can remove the policy. To remove a policy:
- Navigate to Configuration Management > Network Configuration. 
- Under POLICIES, click the three-dot icon adjacent to a rule that you want to remove.  
- Click Remove.The policy is now removed from the list.