diff --git a/sys/ia64/ia64/machdep.c b/sys/ia64/ia64/machdep.c
index d457d1c4561e..506de60fca29 100644
--- a/sys/ia64/ia64/machdep.c
+++ b/sys/ia64/ia64/machdep.c
@@ -371,7 +371,6 @@ cpu_switch(struct thread *old, struct thread *new, struct mtx *mtx)
 		oldpcb->pcb_current_pmap =
 		    pmap_switch(newpcb->pcb_current_pmap);
 		PCPU_SET(curthread, new);
-		PCPU_SET(curtid, new->td_tid);
 #ifdef COMPAT_IA32
 		ia32_restorectx(newpcb);
 #endif