You can remove a link between a contact in your application and a contact in the Contacts application on the BlackBerry® device.

1. Import the required classes and interfaces.

   import net.rim.blackberry.api.pdap.contactlinking.*;

2. Retrieve the contact in the Contacts application that is linked to your contact.

   BlackBerryContact contact = 
       LinkedContactUtilities.getLinkedContact(linkableContact);

3. Remove the link between the contacts.

   LinkedContactUtilities.unlinkContact(contact, linkableContact.getApplicationID());
   

private void unlinkContact(LinkableContact linkableContact)
{
    BlackBerryContact contact = 
        LinkedContactUtilities.getLinkedContact(linkableContact);
    if(contact != null)
    {
        LinkedContactUtilities.unlinkContact(contact, 
            linkableContact.getApplicationID());
    }
}