diff --git a/sys/kern/init_main.c b/sys/kern/init_main.c
index 2f83d81270e3..e7df226d3986 100644
--- a/sys/kern/init_main.c
+++ b/sys/kern/init_main.c
@@ -119,12 +119,8 @@ SYSCTL_INT(_debug, OID_AUTO, bootverbose, CTLFLAG_RW, &bootverbose, 0,
 
 /* Want to avoid defining INVARIANTS if not already defined */
 #ifdef INVARIANTS
-static int	invariants = 1;
-#else
-static int	invariants = 0;
+FEATURE(invariants, "Kernel compiled with INVARIANTS, may affect performance");
 #endif
-SYSCTL_INT(_debug, OID_AUTO, invariants, CTLFLAG_RD, &invariants, 0,
-	"Kernel compiled with invariants");
 
 /*
  * This ensures that there is at least one entry so that the sysinit_set