diff --git a/share/man/man9/VFS_SYNC.9 b/share/man/man9/VFS_SYNC.9
index fc77f80a1f25..6f603ab8ee14 100644
--- a/share/man/man9/VFS_SYNC.9
+++ b/share/man/man9/VFS_SYNC.9
@@ -39,7 +39,7 @@
 .In sys/mount.h
 .In sys/vnode.h
 .Ft int
-.Fn VFS_SYNC "struct mount *mp" "int waitfor" "struct ucred *cred" "struct thread *td"
+.Fn VFS_SYNC "struct mount *mp" "int waitfor" "struct thread *td"
 .Sh DESCRIPTION
 The
 .Fn VFS_SYNC
@@ -61,8 +61,6 @@ start all I/O, but do not wait for it
 .It Dv MNT_LAZY
 push data not written by file system syncer
 .El
-.It Fa cred
-The caller's credentials.
 .It Fa td
 The calling thread.
 .El
diff --git a/share/man/man9/VOP_FSYNC.9 b/share/man/man9/VOP_FSYNC.9
index a84726515e57..5f7ddd21ccf5 100644
--- a/share/man/man9/VOP_FSYNC.9
+++ b/share/man/man9/VOP_FSYNC.9
@@ -38,7 +38,7 @@
 .In sys/param.h
 .In sys/vnode.h
 .Ft int
-.Fn VOP_FSYNC "struct vnode *vp" "struct ucred *cred" "int waitfor" "struct thread *td"
+.Fn VOP_FSYNC "struct vnode *vp" "int waitfor" "struct thread *td"
 .Sh DESCRIPTION
 This call flushes any dirty file system buffers for the file.
 It is used to implement the
@@ -51,8 +51,6 @@ Its arguments are:
 .Bl -tag -width waitfor
 .It Fa vp
 The vnode of the file.
-.It Fa cred
-The caller's credentials.
 .It Fa waitfor
 Whether the function should wait for I/O to complete.
 Possible values are:
@@ -84,7 +82,7 @@ error code is returned.
 .Sh PSEUDOCODE
 .Bd -literal
 int
-vop_fsync(struct vnode *vp, struct ucred *cred, int waitfor, struct thread *td)
+vop_fsync(struct vnode *vp, int waitfor, struct thread *td)
 {
     struct buf *bp;
     struct buf *nbp;