diff -Nru livecd-rootfs-2.664.47/debian/changelog livecd-rootfs-2.664.48/debian/changelog
--- livecd-rootfs-2.664.47/debian/changelog	2023-03-20 23:19:05.000000000 +0000
+++ livecd-rootfs-2.664.48/debian/changelog	2023-05-19 07:09:01.000000000 +0000
@@ -1,3 +1,13 @@
+livecd-rootfs (2.664.48) focal; urgency=medium
+
+  * Drop use of --removable flag to grub-install from
+    live-build/buildd/hooks/02-disk-image-uefi.binary, to match the cloud
+    images (7c760864fdcb278ca37396f06f5e3f297428d63d).  This fixes
+    bootloader updates in the buildd images, but also fixes compatibility
+    with using devtmpfs for losetup. 
+
+ -- Steve Langasek <steve.langasek@ubuntu.com>  Fri, 19 May 2023 00:09:01 -0700
+
 livecd-rootfs (2.664.47) focal; urgency=medium
 
   * disk-image-uefi: bump armhf size. (LP: #2011739)
diff -Nru livecd-rootfs-2.664.47/live-build/buildd/hooks/02-disk-image-uefi.binary livecd-rootfs-2.664.48/live-build/buildd/hooks/02-disk-image-uefi.binary
--- livecd-rootfs-2.664.47/live-build/buildd/hooks/02-disk-image-uefi.binary	2023-02-01 15:42:54.000000000 +0000
+++ livecd-rootfs-2.664.48/live-build/buildd/hooks/02-disk-image-uefi.binary	2023-05-19 07:05:58.000000000 +0000
@@ -102,19 +102,9 @@
         --boot-directory=/boot \
         --efi-directory=/boot/efi \
         --target=${efi_target} \
-        --removable \
         --uefi-secure-boot \
         --no-nvram
 
-    if [ -f mountpoint/boot/efi/EFI/BOOT/grub.cfg ]; then
-        sed -i "s| root| root hd0,gpt1|" mountpoint/boot/efi/EFI/BOOT/grub.cfg
-        sed -i "1i${IMAGE_STR}" mountpoint/boot/efi/EFI/BOOT/grub.cfg
-        # For some reason the grub disk is looking for /boot/grub/grub.cfg on
-        # part 15....
-        chroot mountpoint mkdir -p /boot/efi/boot/grub
-        chroot mountpoint cp /boot/efi/EFI/BOOT/grub.cfg /boot/efi/boot/grub
-    fi
-
     if [ "$ARCH" = "amd64" ]; then
         # Install the BIOS/GPT bits. Since GPT boots from the ESP partition,
         # it means that we just run this simple command and we're done