diff --git a/sys/alpha/alpha/prom.c b/sys/alpha/alpha/prom.c
index 06d43effd86..ddb467917bf 100644
--- a/sys/alpha/alpha/prom.c
+++ b/sys/alpha/alpha/prom.c
@@ -49,7 +49,7 @@
 #include <machine/vmparam.h>
 
 /* XXX this is to fake out the console routines, while booting. */
-struct consdev promcons = { NULL, NULL, promcngetc, promcncheckc, promcnputc,
+struct consdev promcons = { NULL, NULL, NULL, promcngetc, promcncheckc, promcnputc,
 			    NULL, 0 /* makedev(97,0) */, CN_NORMAL };
 
 struct rpb	*hwrpb;
@@ -99,8 +99,6 @@ init_prom_interface(rpb)
         prom_dispatch_v.routine = c->crb_v_dispatch->entry_va;
 }
 
-extern struct consdev* cn_tab;
-
 void
 init_bootstrap_console()
 {