diff --git a/flake.nix b/flake.nix
index 0cbfa49..b8d7461 100644
--- a/flake.nix
+++ b/flake.nix
@@ -37,7 +37,6 @@
           mkinitrd = pkgs.writeShellScriptBin "mkinitrd" ''
             echo "make initrd..."
             mkdir -p out
-
             # copy systemd
             cp -r ${self.packages.${system}.systemd.out}/* out/
             pushd out
@@ -46,7 +45,7 @@
 
             mkdir -p dev proc sys tmp root
             ln -sf usr/bin bin
-            ln -sf usr/bin sbin
+            ln -sf usr/sbin sbin
             ln -sf usr/lib lib
             ln -sf usr/lib lib64
 
@@ -115,13 +114,6 @@
             EOF
             chmod 644 ./etc/group
 
-            chmod 755 ./usr/bin
-            cp ${pkgs.busybox.out}/bin/busybox ./usr/bin/
-            # symlink busy box
-            ./usr/bin/busybox --list | while read f; do
-              ln -sf busybox ./usr/bin/$f
-            done
-
             # get shared libs
             find . -type f -executable | xargs ldd 2> /dev/null | awk '{print $3}' | grep -v systemd | sort -u | xargs cp -t usr/lib
             find . -type f -executable | xargs chmod 755