diff --git a/sys/kern/kern_jail.c b/sys/kern/kern_jail.c
index b8bcbd494208..457a590cdf53 100644
--- a/sys/kern/kern_jail.c
+++ b/sys/kern/kern_jail.c
@@ -3988,8 +3988,10 @@ prison_racct_attach(struct prison *pr)
 static void
 prison_racct_modify(struct prison *pr)
 {
+#ifdef RCTL
 	struct proc *p;
 	struct ucred *cred;
+#endif
 	struct prison_racct *oldprr;
 
 	ASSERT_RACCT_ENABLED();