diff --git a/rootfs/mkrootfs.sh b/rootfs/mkrootfs.sh
index 5fba8c5..ff19902 100644
--- a/rootfs/mkrootfs.sh
+++ b/rootfs/mkrootfs.sh
@@ -1,6 +1,6 @@
 set -ex -o pipefail
 
-mkdir -p $out
+### create directory structure
 mkdir -p $out/etc/repart.d $out/dev $out/proc $out/sys $out/tmp $out/root $out/run $out/boot $out/mnt $out/home $out/srv $out/var/tmp
 ln -sf /usr/bin $out/bin
 ln -sf /usr/bin $out/sbin
@@ -15,7 +15,8 @@ find $out -type d -exec chmod 755 {} \;
 rm -rf $out/usr/include
 rm -rf $out/usr/sbin
 rm -f $out/usr/lib/systemd/system/sysinit.target.wants/systemd-firstboot.service
-# remove vconsole setup
+rm -f $out/usr/lib/systemd/ukify
+rm -f $out/usr/bin/ukify
 rm -f $out/usr/lib/udev/rules.d/90-vconsole.rules
 
 cat <<EOF > $out/etc/os-release
diff --git a/systemd/default.nix b/systemd/default.nix
index 130cf42..6f5c6c9 100644
--- a/systemd/default.nix
+++ b/systemd/default.nix
@@ -184,6 +184,7 @@ stdenv.mkDerivation (finalAttrs: {
     (lib.mesonOption "tty-gid" "3") # tty in NixOS has gid 3
 
     (lib.mesonOption "kmod-path" "/usr/bin/kmod")
+    (lib.mesonOption "kexec-path" "/usr/bin/kexec")
     (lib.mesonOption "debug-shell" "/usr/bin/sh")
     (lib.mesonOption "pamconfdir" "/etc/pam.d")
     (lib.mesonOption "shellprofiledir" "/etc/profile.d")