diff --git a/pkgs/misc/busybox/default.nix b/pkgs/misc/busybox/default.nix
index f3a73514ed8..6ca30ddd96b 100644
--- a/pkgs/misc/busybox/default.nix
+++ b/pkgs/misc/busybox/default.nix
@@ -29,7 +29,7 @@ let
 
   nixConfig = ''
     CONFIG_PREFIX "$out"
-    CONFIG_INSTALL_NO_USR n
+    CONFIG_INSTALL_NO_USR y
   '';
 
   staticConfig = (if enableStatic then ''
@@ -58,12 +58,6 @@ stdenv.mkDerivation rec {
     make oldconfig
   '';
 
-  postInstall = ''
-    mv -v $out/usr/bin/* $out/bin
-    mv -v $out/usr/sbin/* $out/sbin
-    rm -fRv $out/usr/
-  '';
-
   crossAttrs = {
     extraCrossConfig = ''
       CONFIG_CROSS_COMPILER_PREFIX "${stdenv.cross.config}-"