diff --git a/share/man/man9/VFS_LOCK_GIANT.9 b/share/man/man9/VFS_LOCK_GIANT.9
index f0616ee6fe58..9249e6c76157 100644
--- a/share/man/man9/VFS_LOCK_GIANT.9
+++ b/share/man/man9/VFS_LOCK_GIANT.9
@@ -35,7 +35,6 @@
 .Nm VFS_UNLOCK_GIANT
 .Nd "conditionally lock and unlock Giant around entry into VFS"
 .Sh SYNOPSIS
-.In sys/mount.h
 .In sys/param.h
 .In sys/mount.h
 .In sys/vnode.h