diff --git a/sys/nfsclient/nfs.h b/sys/nfsclient/nfs.h
index d93364e20b1e..6be9001ab1ff 100644
--- a/sys/nfsclient/nfs.h
+++ b/sys/nfsclient/nfs.h
@@ -293,7 +293,7 @@ int	nfs_commit(struct vnode *vp, u_quad_t offset, int cnt,
 int	nfs_readdirrpc(struct vnode *, struct uio *, struct ucred *);
 int	nfs_nfsiodnew(void);
 int	nfs_asyncio(struct nfsmount *, struct buf *, struct ucred *, struct thread *);
-int	nfs_doio(struct vnode *vp, struct buf *, struct ucred *, struct thread *);
+int	nfs_doio(struct vnode *, struct buf *, struct ucred *, struct thread *);
 void    nfs_up(struct nfsreq *, struct nfsmount *, struct thread *,
 	    const char *, int);
 void	nfs_down(struct nfsreq *, struct nfsmount *, struct thread *,