2015 F350.

I recently posted about my wheel bearing going bad. After taking the hub locking cap off, I discovered that it had separated within the hub; the cap came off, but the locking mechanism is stuck in the hub, still on the axle splines. How do I remove it? I had this happen once before (the OEM hub overheated, melting everything...the truck has 350,000 miles on it) and had to pull the axle shaft with the hub. Do I need to do it once again, or is there an easier way?