diff --git a/nixos/modules/module-list.nix b/nixos/modules/module-list.nix
index 98af71e014dd..35a48ca601be 100644
--- a/nixos/modules/module-list.nix
+++ b/nixos/modules/module-list.nix
@@ -80,7 +80,6 @@
   ./programs/ssh.nix
   ./programs/ssmtp.nix
   ./programs/tmux.nix
-  ./programs/unity3d.nix
   ./programs/venus.nix
   ./programs/wvdial.nix
   ./programs/xfs_quota.nix
diff --git a/nixos/modules/programs/unity3d.nix b/nixos/modules/programs/unity3d.nix
deleted file mode 100644
index 3c0ea26d9d56..000000000000
--- a/nixos/modules/programs/unity3d.nix
+++ /dev/null
@@ -1,25 +0,0 @@
-{ config, lib, pkgs, ... }:
-
-with lib;
-
-let cfg = config.programs.unity3d;
-in {
-
-  options = {
-    programs.unity3d.enable = mkEnableOption "Unity3D, a game development tool";
-  };
-
-  config = mkIf cfg.enable {
-    security.setuidOwners = [{
-      program = "unity-chrome-sandbox";
-      source = "${pkgs.unity3d.sandbox}/bin/unity-chrome-sandbox";
-      owner = "root";
-      #group = "root";
-      setuid = true;
-      #setgid = true;
-    }];
-
-    environment.systemPackages = [ pkgs.unity3d ];
-  };
-
-}
diff --git a/nixos/modules/rename.nix b/nixos/modules/rename.nix
index 634f91a275d3..3f8a770cbce7 100644
--- a/nixos/modules/rename.nix
+++ b/nixos/modules/rename.nix
@@ -134,6 +134,9 @@ with lib;
     (mkRemovedOptionModule [ "security" "grsecurity" "config" "verboseVersion" ])
     (mkRemovedOptionModule [ "security" "grsecurity" "config" "kernelExtraConfig" ])
 
+    # Unity3D
+    (mkRenamedOptionModule [ "programs" "unity3d" "enable" ] [ "security" "chromiumSuidSandbox" "enable" ])
+
     # Options that are obsolete and have no replacement.
     (mkRemovedOptionModule [ "boot" "initrd" "luks" "enable" ])
     (mkRemovedOptionModule [ "programs" "bash" "enable" ])
diff --git a/pkgs/development/tools/unity3d/default.nix b/pkgs/development/tools/unity3d/default.nix
index 8f89770ffc85..0a72e6bb91eb 100644
--- a/pkgs/development/tools/unity3d/default.nix
+++ b/pkgs/development/tools/unity3d/default.nix
@@ -4,7 +4,7 @@
 , cairo, dbus, expat, zlib, libpng12, nodejs, gnutar, gcc, gcc_32bit
 , libX11, libXcursor, libXdamage, libXfixes, libXrender, libXi
 , libXcomposite, libXext, libXrandr, libXtst, libSM, libICE, libxcb
-, mono, libgnomeui, gnome_vfs, gnome-sharp, gtk-sharp
+, mono, libgnomeui, gnome_vfs, gnome-sharp, gtk-sharp, chromium
 }:
 
 let
@@ -44,7 +44,7 @@ in stdenv.mkDerivation rec {
 
   nativeBuildInputs = [ makeWrapper fakeroot file getopt ];
 
-  outputs = [ "out" "monodevelop" "sandbox" ];
+  outputs = [ "out" "monodevelop" ];
 
   unpackPhase = ''
     echo -e 'q\ny' | fakeroot sh $src
@@ -91,12 +91,10 @@ in stdenv.mkDerivation rec {
   '';
 
   installPhase = ''
-    install -Dm755 Editor/chrome-sandbox $sandbox/bin/unity-chrome-sandbox
-
     unitydir="$out/opt/Unity/Editor"
     mkdir -p $unitydir
     mv Editor/* $unitydir
-    ln -sf /var/setuid-wrappers/unity-chrome-sandbox $unitydir/chrome-sandbox
+    ln -sf /var/setuid-wrappers/${chromium.sandboxExecutableName} $unitydir/chrome-sandbox
 
     mkdir -p $out/share/applications
     sed "/^Exec=/c\Exec=$out/bin/unity-editor" \