diff --git a/ChangeLog b/ChangeLog
index b0fc06848..61e4ea8ec 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,11 @@
+2010-06-02  Colin Watson  <cjwatson@ubuntu.com>
+
+	* docs/grub.texi (SCO UnixWare): Remove, at Vladimir's request and
+	per the GNU Coding Standards; this is now too obscure to be worth
+	documenting.
+	(QNX): Likewise.
+	(chainloader): Remove cross-reference to `SCO UnixWare'.
+
 2010-06-02  Colin Watson  <cjwatson@ubuntu.com>
 
 	* docs/grub.texi (Chain-loading): New section.
diff --git a/docs/grub.texi b/docs/grub.texi
index 5f2e5e36a..1f0c2083e 100644
--- a/docs/grub.texi
+++ b/docs/grub.texi
@@ -685,8 +685,6 @@ Here, we describe some caveats on several operating systems.
 * GNU/Hurd::
 * GNU/Linux::
 * DOS/Windows::
-* SCO UnixWare::
-* QNX::
 @end menu
 
 
@@ -777,38 +775,6 @@ boot
 @end example
 
 
-@node SCO UnixWare
-@subsection SCO UnixWare
-
-It is known that the signature in the boot loader for SCO UnixWare is
-wrong, so you will have to specify the option @option{--force} to
-@command{chainloader} (@pxref{chainloader}), like this:
-
-@example
-@group
-set root=(hd1,1)
-chainloader --force +1
-parttool @verb{'${root}'} boot+
-boot
-@end group
-@end example
-
-
-@node QNX
-@subsection QNX
-
-QNX seems to use a bigger boot loader, so you need to boot it up, like
-this:
-
-@example
-@group
-set root=(hd1,2)
-chainloader +4
-boot
-@end group
-@end example
-
-
 @node Configuration
 @chapter Writing your own configuration file
 
@@ -1518,8 +1484,7 @@ filesystem code, it can use the blocklist notation (@pxref{Block list
 syntax}) to grab the first sector of the current partition with @samp{+1}.
 If you specify the option @option{--force}, then load @var{file} forcibly,
 whether it has a correct signature or not. This is required when you want to
-load a defective boot loader, such as SCO UnixWare 7.1 (@pxref{SCO
-UnixWare}).
+load a defective boot loader, such as SCO UnixWare 7.1.
 @end deffn