diff --git a/pkgs/applications/science/chemistry/gwyddion/default.nix b/pkgs/applications/science/chemistry/gwyddion/default.nix
index 7c1312f27f25..a4b1cd943e1b 100644
--- a/pkgs/applications/science/chemistry/gwyddion/default.nix
+++ b/pkgs/applications/science/chemistry/gwyddion/default.nix
@@ -1,5 +1,4 @@
 { lib, stdenv, fetchurl, gtk2, pkg-config, fftw, file,
-  pythonSupport ? false, python2Packages,
   gnome2,
   openexrSupport ? true, openexr,
   libzipSupport ? true, libzip,
@@ -15,10 +14,6 @@
   openglSupport ? !stdenv.isDarwin, libGL
 }:
 
-let
-    inherit (python2Packages) pygtk pygobject2 python;
-in
-
 stdenv.mkDerivation rec {
   pname = "gwyddion";
    version = "2.65";
@@ -43,9 +38,6 @@ stdenv.mkDerivation rec {
     optional libuniqueSupport libunique ++
     optional libzipSupport libzip;
 
-  propagatedBuildInputs = with lib;
-    optionals pythonSupport [ pygtk pygobject2 python gnome2.gtksourceview ];
-
   # This patch corrects problems with python support, but should apply cleanly
   # regardless of whether python support is enabled, and have no effects if
   # it is disabled.