diff --git a/sys/fs/deadfs/dead_vnops.c b/sys/fs/deadfs/dead_vnops.c
index 35eded0884e0..c7de6afc34e6 100644
--- a/sys/fs/deadfs/dead_vnops.c
+++ b/sys/fs/deadfs/dead_vnops.c
@@ -77,14 +77,10 @@ struct vop_vector dead_vnodeops = {
 	.vop_write =		dead_write,
 };
 
-/* ARGSUSED */
 static int
-dead_getwritemount(ap)
-	struct vop_getwritemount_args /* {
-		struct vnode *a_vp;
-		struct mount **a_mpp;
-	} */ *ap;
+dead_getwritemount(struct vop_getwritemount_args *ap)
 {
+
 	*(ap->a_mpp) = NULL;
 	return (0);
 }
@@ -92,14 +88,8 @@ dead_getwritemount(ap)
 /*
  * Trivial lookup routine that always fails.
  */
-/* ARGSUSED */
 static int
-dead_lookup(ap)
-	struct vop_lookup_args /* {
-		struct vnode * a_dvp;
-		struct vnode ** a_vpp;
-		struct componentname * a_cnp;
-	} */ *ap;
+dead_lookup(struct vop_lookup_args *ap)
 {
 
 	*ap->a_vpp = NULL;
@@ -109,33 +99,17 @@ dead_lookup(ap)
 /*
  * Open always fails as if device did not exist.
  */
-/* ARGSUSED */
 static int
-dead_open(ap)
-	struct vop_open_args /* {
-		struct vnode *a_vp;
-		int  a_mode;
-		struct ucred *a_cred;
-		struct proc *a_p;
-	} */ *ap;
+dead_open(struct vop_open_args *ap)
 {
 
 	return (ENXIO);
 }
 
-/*
- * Vnode op for read
- */
-/* ARGSUSED */
 int
-dead_read(ap)
-	struct vop_read_args /* {
-		struct vnode *a_vp;
-		struct uio *a_uio;
-		int  a_ioflag;
-		struct ucred *a_cred;
-	} */ *ap;
+dead_read(struct vop_read_args *ap)
 {
+
 	/*
 	 * Return EOF for tty devices, EIO for others
 	 */
@@ -144,25 +118,15 @@ dead_read(ap)
 	return (0);
 }
 
-/*
- * Vnode op for write
- */
-/* ARGSUSED */
 int
-dead_write(ap)
-	struct vop_write_args /* {
-		struct vnode *a_vp;
-		struct uio *a_uio;
-		int  a_ioflag;
-		struct ucred *a_cred;
-	} */ *ap;
+dead_write(struct vop_write_args *ap)
 {
+
 	return (EIO);
 }
 
 int
-dead_poll(ap)
-	struct vop_poll_args *ap;
+dead_poll(struct vop_poll_args *ap)
 {
 
 	if (ap->a_events & ~POLLSTANDARD)
@@ -176,15 +140,7 @@ dead_poll(ap)
 }
 
 static int
-dead_rename(ap)
-	struct vop_rename_args  /* {
-		struct vnode *a_fdvp;
-		struct vnode *a_fvp;
-		struct componentname *a_fcnp;
-		struct vnode *a_tdvp;
-		struct vnode *a_tvp;
-		struct componentname *a_tcnp;
-	} */ *ap;
+dead_rename(struct vop_rename_args *ap)
 {
 
 	vop_rename_fail(ap);