In the Kaspersky Security Center Administration Console, in the Additional → Storages folder, select the Backup folder.
The workspace displays a list of backup copies of files that have been moved to Backups on all SVMs.
In the list of backup copies of files, select the files you want to delete. Use the CTRL and SHIFT keys to select multiple files.
Do one of the following:
Right-click to display the context menu and select Delete.
Delete files by clicking the Delete objects link. The link is located on the right of the list of backup copies of files, in the workspace for managing the selected files.
Kaspersky Security deletes backup copies of files from Backups on SVMs. To refresh the list of backup copies of files and check it for changes, click the Refresh link.
It takes some time to refresh the list of backup copies of files. Wait for the list to be refreshed.