On the Case Report Books page, click the status icon for a subject and visit.
Select a repeating form such as an Adverse Events or Concomitant Medications form.
At the bottom-left of the page, in the Select Action drop-down list, select Delete or Undelete.
At the top of the page, select the checkbox for the form instance that you want to delete or undelete.
Specify a reason for the change, and at the bottom-right of the page, click Delete or Undelete.
If you undelete a repeating form and the data in the Add Entry row is mapped to a dynamic grid, which is used to collect related data on a single form, you must re-add the data to the dynamic grid. For more information, see Collect related data from multiple forms.