diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 625dfba69aa7..9b14717bd006 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -13012,29 +13012,7 @@ in {
 
   numtraits = callPackage ../development/python-modules/numtraits { };
 
-  nwdiag = buildPythonPackage rec {
-    name = "nwdiag-1.0.3";
-
-    src = pkgs.fetchurl {
-      url = "mirror://pypi/n/nwdiag/${name}.tar.gz";
-      sha256 = "0n7ary1fngxk8bk15vabc8fhnmxlh098piciwaviwn7l4a5q1zys";
-    };
-
-    buildInputs = with self; [ pep8 nose unittest2 docutils ];
-
-    propagatedBuildInputs = with self; [ blockdiag ];
-
-    # tests fail
-    doCheck = false;
-
-    meta = {
-      description = "Generate network-diagram image from spec-text file (similar to Graphviz)";
-      homepage = http://blockdiag.com/;
-      license = licenses.asl20;
-      platforms = platforms.linux;
-      maintainers = with maintainers; [ bjornfor ];
-    };
-  };
+  nwdiag = callPackage ../development/python-modules/nwdiag { };
 
   dynd = buildPythonPackage rec {
     version = "0.7.2";