Index: sys/arm64/arm64/vm_machdep.c
===================================================================
--- sys/arm64/arm64/vm_machdep.c
+++ sys/arm64/arm64/vm_machdep.c
@@ -265,10 +265,6 @@
 
 	td->td_pcb->pcb_x[8] = (uintptr_t)func;
 	td->td_pcb->pcb_x[9] = (uintptr_t)arg;
-	td->td_pcb->pcb_x[PCB_LR] = (uintptr_t)fork_trampoline;
-	td->td_pcb->pcb_sp = (uintptr_t)td->td_frame;
-	td->td_pcb->pcb_fpusaved = &td->td_pcb->pcb_fpustate;
-	td->td_pcb->pcb_vfpcpu = UINT_MAX;
 }
 
 void