diff --git a/pkgs/development/python-modules/libsexy/default.nix b/pkgs/development/python-modules/libsexy/default.nix
index 5e0d391a338..b0fa789d157 100644
--- a/pkgs/development/python-modules/libsexy/default.nix
+++ b/pkgs/development/python-modules/libsexy/default.nix
@@ -1,31 +1,26 @@
-a @ { python, libsexy, pkgconfig, libxml2, pygtk, pango, gtk, glib, ... } :
-let
-  fetchurl = a.fetchurl;
+{ stdenv, fetchurl, buildPythonPackage, libsexy, pkgconfig, libxml2, pygtk, pango, gtk, glib, }:
+
+stdenv.mkDerivation rec {
+  name = "python-libsexy-${version}";
+  version = "0.1.9";
 
-  version = a.lib.attrByPath ["version"] "0.1.9" a;
-  buildInputs = with a; [
-    pkgconfig pygtk
-  ];
-  propagatedBuildInputs = with a; [
-    libsexy python gtk glib pango libxml2
-  ];
-in
-rec {
   src = fetchurl {
     url = "http://releases.chipx86.com/libsexy/sexy-python/sexy-python-${version}.tar.gz";
     sha256 = "05bgcsxwkp63rlr8wg6znd46cfbhrzc5wh70jabsi654pxxjb39d";
   };
 
-  inherit buildInputs propagatedBuildInputs;
-  configureFlags = [];
+  buildInputs = [
+    pkgconfig pygtk
+  ];
 
-  /* doConfigure should be removed if not needed */
-  phaseNames = ["doConfigure" "doMakeInstall" "postInstall"];
-  postInstall = a.fullDepEntry (''
+  propagatedBuildInputs = [
+    libsexy gtk glib pango libxml2
+  ];
+
+  postInstall = ''
     ln -s $out/lib/python*/site-packages/gtk-2.0/* $out/lib/python*/site-packages/
-  '') ["minInit"];
+  '';
 
-  name = "python-libsexy-" + version;
   meta = {
     description = "Python libsexy bindings";
   };
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 12b0346013b..44167470a99 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -2870,7 +2870,7 @@ let
 
   pythonIRClib = pythonPackages.pythonIRClib;
 
-  pythonSexy = builderDefsPackage (callPackage ../development/python-modules/libsexy) { };
+  pythonSexy = callPackage ../development/python-modules/libsexy { };
 
   pytrainer = callPackage ../applications/misc/pytrainer { };