diff --git a/gnu/build/vm.scm b/gnu/build/vm.scm
index 6da4fa654e..7537f81509 100644
--- a/gnu/build/vm.scm
+++ b/gnu/build/vm.scm
@@ -406,19 +406,6 @@ GRUB configuration and OS-DRV as the stuff in it."
                             ;; filesystem, so create it.
                             "mnt=/tmp/root/mnt"
                             "--"
-                            ;; Store two copies of the headers.
-                            ;; The resulting ISO-9660 image has a DOS MBR and
-                            ;; one protective partition (with type 0xCD).
-                            ;; Because GuixSD only uses actual partitions
-                            ;; rather than what /proc/partitions returns, work
-                            ;; around it by storing the primary volume
-                            ;; descriptor twice, once where it should be and
-                            ;; once in the partition.
-                            ;; Allegedly, otherwise, many other GNU tools
-                            ;; (automounters etc) would also be confused by
-                            ;; the extra partition so it makes sense to
-                            ;; store two copies in any case.
-                            "-boot_image" "any" "partition_offset=16"
                             "-volid" ,(string-upcase volume-id)
                             ,@(if volume-uuid
                                   `("-volume_date" "uuid"