diff --git a/sys/kern/kern_prot.c b/sys/kern/kern_prot.c
--- a/sys/kern/kern_prot.c
+++ b/sys/kern/kern_prot.c
@@ -291,11 +291,6 @@
 	return (0);
 }
 
-/*
- * Get effective group ID.  The "egid" is groups[0], and could be obtained
- * via getgroups.  This syscall exists because it is somewhat painful to do
- * correctly in a library function.
- */
 #ifndef _SYS_SYSPROTO_H_
 struct getegid_args {
         int     dummy;