You can delete a user-defined subclient a SharePoint Server Agent document server. You cannot delete the default subclient.
From the navigation pane, click Protect > Applications > SharePoint.
The SharePoint page appears.
Click the documents server that contains the data that you want to back up.
The documents server page appears.
In the row for the subclient that you want to delete, click the action button , and then click Manage > Remove from content.
A confirmation dialog box appears.
In the Delete subclient dialog box, type DELETE, and then click Delete.