NetApp
Vserver : Policies > Export Policies : Managing export policies : Deleting export policy rules
Deleting export policy rules
System Manager enables you to delete export policy rules.
Steps 
1.
From the Home tab, double-click the appropriate storage system.
2.
Ensure that the left navigation pane displays the Vservers hierarchy.
3.
In the navigation pane, select the Vserver and click Policies > Export Policies.
4.
Select the export policy rule that you want to delete and click Delete Rule.
5.
Click Delete.