A method and apparatus for performing a detach procedure between a first device and a second device. The method includes receiving, at a first device, an informational exchange message to delete an IP security association between the first device and a second device. The informational exchange message further includes a notify message indicating that the deletion of the IP security association is due to a detach request. In response to the notify message indicating that the deletion of the IP security association is due to the detach request, the method further includes automatically deleting, at the first device, a mobility related state associated with the host-based mobility protocol.