To remove a Hyper-V Standard backup set, perform the following steps.
-  Navigate to the Backup Selections page.
The Backup Selections page is displayed..jpg)
 At the relevant backup set row, click the remove icon
 to remove the backup set.
The confirmation pop-up is displayed.
Optionally, select the Delete all backed-up data from the cloud and local vault that are associated with this backup set check box.
-    After making your selection, click Yes.
The backup set is removed.