diff --git a/sys/kern/kern_prot.c b/sys/kern/kern_prot.c
index a10d3dab5f1..a470656c67e 100644
--- a/sys/kern/kern_prot.c
+++ b/sys/kern/kern_prot.c
@@ -1204,9 +1204,6 @@ p_candebug(struct proc *p1, struct proc *p2)
 {
 	int error;
 
-	if (p1 == p2)
-		return (0);
-
 	if ((error = prison_check(p1->p_ucred, p2->p_ucred)))
 		return (error);