On the existing items page:

On devices running iOS 5.0 and newer:
  1. Tap the "Delete" button on the toolbar.

    On the iPhone



    On the iPad



  2. Then tap the rows you want to delete or select all rows by tapping the select all button. To complete deleting the selected rows, tap the remove button. To cancel deleting, tap the cancel button.



On devices running versions of iOS older than 5.0:
  1. Tap the "Delete" button on the toolbar.

    On the iPhone



    On the iPad



  2. Then tap the button to the left of the item you want to delete. Next tap "Delete" button.



  3. When you are finished deleting, tap the "Done" button.

    On the iPhone



    On the iPad