diff --git a/build_debian.sh b/build_debian.sh
index 6c1187d2e7..c824faa439 100755
--- a/build_debian.sh
+++ b/build_debian.sh
@@ -79,8 +79,6 @@ TARGET_PATH=$TARGET_PATH scripts/build_debian_base_system.sh $CONFIGURED_ARCH $I
 # Prepare buildinfo
 sudo scripts/prepare_debian_image_buildinfo.sh $CONFIGURED_ARCH $IMAGE_DISTRO $FILESYSTEM_ROOT $http_proxy
 
-sudo chown root:root $FILESYSTEM_ROOT
-
 ## Config hostname and hosts, otherwise 'sudo ...' will complain 'sudo: unable to resolve host ...'
 sudo LANG=C chroot $FILESYSTEM_ROOT /bin/bash -c "echo '$HOSTNAME' > /etc/hostname"
 sudo LANG=C chroot $FILESYSTEM_ROOT /bin/bash -c "echo '127.0.0.1       $HOSTNAME' >> /etc/hosts"
@@ -111,7 +109,7 @@ sudo cp files/apt/apt.conf.d/{81norecommends,apt-{clean,gzip-indexes,no-language
 sudo LANG=C chroot $FILESYSTEM_ROOT apt-get -y update
 sudo LANG=C chroot $FILESYSTEM_ROOT apt-get -y upgrade
 echo '[INFO] Install packages for building image'
-sudo LANG=C chroot $FILESYSTEM_ROOT apt-get -y install makedev psmisc
+sudo LANG=C chroot $FILESYSTEM_ROOT apt-get -y install makedev psmisc systemd-sysv
 
 ## Create device files
 echo '[INFO] MAKEDEV'
@@ -348,8 +346,7 @@ sudo LANG=C chroot $FILESYSTEM_ROOT bash -c "find /usr/share/i18n/locales/ ! -na
 # Install certain fundamental packages from $IMAGE_DISTRO-backports in order to get
 # more up-to-date (but potentially less stable) versions
 sudo LANG=C DEBIAN_FRONTEND=noninteractive chroot $FILESYSTEM_ROOT apt-get -y -t $IMAGE_DISTRO-backports install \
-    picocom \
-    systemd-sysv
+    picocom
 
 if [[ $CONFIGURED_ARCH == amd64 ]]; then
     sudo LANG=C DEBIAN_FRONTEND=noninteractive chroot $FILESYSTEM_ROOT apt-get -y download \
diff --git a/installer/x86_64/install.sh b/installer/x86_64/install.sh
index e7eb9e1a80..9cf2f57b6e 100755
--- a/installer/x86_64/install.sh
+++ b/installer/x86_64/install.sh
@@ -634,7 +634,6 @@ menuentry '$demo_grub_entry' {
         linux   /$image_dir/boot/vmlinuz-4.19.0-12-2-amd64 root=$grub_cfg_root rw $GRUB_CMDLINE_LINUX  \
                 net.ifnames=0 biosdevname=0 \
                 loop=$image_dir/$FILESYSTEM_SQUASHFS loopfstype=squashfs                       \
-                systemd.unified_cgroup_hierarchy=0 \
                 apparmor=1 security=apparmor varlog_size=$VAR_LOG_SIZE usbcore.autosuspend=-1 $ONIE_PLATFORM_EXTRA_CMDLINE_LINUX
         echo    'Loading $demo_volume_label $demo_type initial ramdisk ...'
         initrd  /$image_dir/boot/initrd.img-4.19.0-12-2-amd64