diff --git a/pkgs/os-specific/linux/systemd/default.nix b/pkgs/os-specific/linux/systemd/default.nix
index 41f9c1e3e99..7ea17855b09 100644
--- a/pkgs/os-specific/linux/systemd/default.nix
+++ b/pkgs/os-specific/linux/systemd/default.nix
@@ -9,14 +9,14 @@
 assert stdenv.isLinux;
 
 stdenv.mkDerivation rec {
-  version = "233";
+  version = "234";
   name = "systemd-${version}";
 
   src = fetchFromGitHub {
     owner = "nixos";
     repo = "systemd";
-    rev = "72782e7ad96f9da9b0e5873f87a64007068cee06";
-    sha256 = "1cj20zrfr8g0vkxiv3h9bbd89xbj3mrsij3rjr1lbh4nkl5mcwpa";
+    rev = "ba777535a890c2a2b7677dfacc63e12c578b9b3f";
+    sha256 = "1cj20zrfr8g0vkxiv3h9bbd89xbj3mrsij3rja1lbh4nkl5mcwpa";
   };
 
   outputs = [ "out" "lib" "man" "dev" ];
@@ -99,8 +99,6 @@ stdenv.mkDerivation rec {
         --replace /usr/lib/systemd/catalog/ $out/lib/systemd/catalog/
 
       configureFlagsArray+=("--with-ntp-servers=0.nixos.pool.ntp.org 1.nixos.pool.ntp.org 2.nixos.pool.ntp.org 3.nixos.pool.ntp.org")
-
-      #export NIX_CFLAGS_LINK+=" -Wl,-rpath,$libudev/lib"
     '';
 
   PYTHON_BINARY = "${coreutils}/bin/env python"; # don't want a build time dependency on Python
@@ -166,16 +164,6 @@ stdenv.mkDerivation rec {
 
   enableParallelBuilding = true;
 
-  /*
-  # some libs fail to link to liblzma and/or libffi
-  postFixup = let extraLibs = stdenv.lib.makeLibraryPath [ xz.out libffi.out zlib.out ];
-    in ''
-      for f in "$out"/lib/*.so.0.*; do
-        patchelf --set-rpath `patchelf --print-rpath "$f"`':${extraLibs}' "$f"
-      done
-    '';
-  */
-
   # The interface version prevents NixOS from switching to an
   # incompatible systemd at runtime.  (Switching across reboots is
   # fine, of course.)  It should be increased whenever systemd changes