diff --git a/kernel/chips/it87.c b/kernel/chips/it87.c
index f16bfac8..20f57a2d 100644
--- a/kernel/chips/it87.c
+++ b/kernel/chips/it87.c
@@ -98,11 +98,6 @@ superio_enter(void)
 static inline void
 superio_exit(void)
 {
-	/* safety precaution in case we put some other super IO chip
-	   in config mode by accident */
-	outb(0xAA, REG); 
-
-	/* documented exit sequence */
 	outb(0x02, REG);
 	outb(0x02, VAL);
 }