diff --git a/sys/sun4v/include/smp.h b/sys/sun4v/include/smp.h
index 73359814d416..d1d9da42bb46 100644
--- a/sys/sun4v/include/smp.h
+++ b/sys/sun4v/include/smp.h
@@ -71,8 +71,6 @@ struct ipi_tlb_args {
 
 struct pcpu;
 
-extern struct pcb stoppcbs[];
-
 void	cpu_mp_bootstrap(struct pcpu *pc);
 void	cpu_mp_shutdown(void);