--- a/util/grub.d/10_linux.in
+++ b/util/grub.d/10_linux.in
@@ -31,7 +31,7 @@
 if [ "x${GRUB_DISTRIBUTOR}" = "x" ] ; then
   OS=GNU/Linux
 else
-  OS="${GRUB_DISTRIBUTOR} GNU/Linux"
+  OS="${GRUB_DISTRIBUTOR}"
   CLASS="--class $(echo ${GRUB_DISTRIBUTOR} | tr 'A-Z' 'a-z' | cut -d' ' -f1|LC_ALL=C sed 's,[^[:alnum:]_],_,g') ${CLASS}"
 fi
 
@@ -143,7 +143,7 @@
   message="$(gettext_printf "Loading Linux %s ..." ${version})"
   sed "s/^/$submenu_indentation/" << EOF
 	echo	'$(echo "$message" | grub_quote)'
-	linux	${rel_dirname}/${basename} root=${linux_root_device_thisversion} ro ${args}
+	linux	${rel_dirname}/${basename} root=${linux_root_device_thisversion} ${args}
 EOF
   if test -n "${initrd}" ; then
     # TRANSLATORS: ramdisk isn't identifier. Should be translated.
--- a/util/grub.d/20_linux_xen.in
+++ b/util/grub.d/20_linux_xen.in
@@ -31,7 +31,7 @@
 if [ "x${GRUB_DISTRIBUTOR}" = "x" ] ; then
   OS=GNU/Linux
 else
-  OS="${GRUB_DISTRIBUTOR} GNU/Linux"
+  OS="${GRUB_DISTRIBUTOR}"
   CLASS="--class $(echo ${GRUB_DISTRIBUTOR} | tr 'A-Z' 'a-z' | cut -d' ' -f1|LC_ALL=C sed 's,[^[:alnum:]_],_,g') ${CLASS}"
 fi
 
@@ -154,7 +154,7 @@
         fi
 	${xen_loader}	${rel_xen_dirname}/${xen_basename} placeholder ${xen_args} \${xen_rm_opts}
 	echo	'$(echo "$lmessage" | grub_quote)'
-	${module_loader}	${rel_dirname}/${basename} placeholder root=${linux_root_device_thisversion} ro ${args}
+	${module_loader}	${rel_dirname}/${basename} placeholder root=${linux_root_device_thisversion} ${args}
 EOF
   if test -n "${initrd}" ; then
     # TRANSLATORS: ramdisk isn't identifier. Should be translated.