diff --git a/pkgs/development/python-modules/pygobject/default.nix b/pkgs/development/python-modules/pygobject/default.nix
index 8d6a1368d8b0..d85045401373 100644
--- a/pkgs/development/python-modules/pygobject/default.nix
+++ b/pkgs/development/python-modules/pygobject/default.nix
@@ -12,14 +12,6 @@ stdenv.mkDerivation rec {
 
   buildInputs = [ python pkgconfig glib ];
 
-  # in a "normal" setup, pygobject and pygtk are installed into the
-  # same site-packages: we need a pth file for both. pygtk.py would be
-  # used to select a specific version, in our setup it should have no
-  # effect, but we leave it in case somebody expects and calls it.
-  postInstall = ''
-    mv $out/lib/${python.libPrefix}/site-packages/{pygtk.pth,${name}.pth}
-  '';
-
   meta = {
     homepage = http://live.gnome.org/PyGObject;
     description = "Python bindings for Glib";
diff --git a/pkgs/tools/networking/wicd/default.nix b/pkgs/tools/networking/wicd/default.nix
index 57c2e1d6d3c8..aa4df61306c2 100644
--- a/pkgs/tools/networking/wicd/default.nix
+++ b/pkgs/tools/networking/wicd/default.nix
@@ -26,14 +26,14 @@ stdenv.mkDerivation rec {
     substituteInPlace in/scripts=wicd.in --subst-var-by TEMPLATE-DEFAULT $out/share/other/dhclient.conf.template.default
     
     sed -i "2iexport PATH=\$PATH\$\{PATH:+:\}${python}/bin:${wpa_supplicant}/sbin:${dhcpcd}/sbin:${dhcp}/sbin:${wirelesstools}/sbin:${nettools}/sbin:${openresolv}/sbin:${iproute}/sbin" in/scripts=wicd.in
-    sed -i "3iexport PYTHONPATH=\$PYTHONPATH\$\{PYTHONPATH:+:\}$(toPythonPath $out):$(toPythonPath ${pygobject})/gtk-2.0:$(toPythonPath ${pythonDBus})" in/scripts=wicd.in
+    sed -i "3iexport PYTHONPATH=\$PYTHONPATH\$\{PYTHONPATH:+:\}$(toPythonPath $out):$(toPythonPath ${pygobject}):$(toPythonPath ${pythonDBus})" in/scripts=wicd.in
     sed -i "4iexport LC_ALL=\\\"${locale}\\\"" in/scripts=wicd.in
     sed -i "2iexport PATH=\$PATH\$\{PATH:+:\}${python}/bin" in/scripts=wicd-client.in
-    sed -i "3iexport PYTHONPATH=\$PYTHONPATH\$\{PYTHONPATH:+:\}$(toPythonPath $out):$(toPythonPath ${pyGtkGlade})/gtk-2.0:$(toPythonPath ${pygobject})/gtk-2.0:$(toPythonPath ${pycairo}):$(toPythonPath ${pythonDBus})" in/scripts=wicd-client.in
+    sed -i "3iexport PYTHONPATH=\$PYTHONPATH\$\{PYTHONPATH:+:\}$(toPythonPath $out):$(toPythonPath ${pyGtkGlade})/gtk-2.0:$(toPythonPath ${pygobject}):$(toPythonPath ${pycairo}):$(toPythonPath ${pythonDBus})" in/scripts=wicd-client.in
     sed -i "2iexport PATH=\$PATH\$\{PATH:+:\}${python}/bin" in/scripts=wicd-gtk.in
-    sed -i "3iexport PYTHONPATH=\$PYTHONPATH\$\{PYTHONPATH:+:\}$(toPythonPath $out):$(toPythonPath ${pyGtkGlade})/gtk-2.0:$(toPythonPath ${pygobject})/gtk-2.0:$(toPythonPath ${pycairo}):$(toPythonPath ${pythonDBus})" in/scripts=wicd-gtk.in
+    sed -i "3iexport PYTHONPATH=\$PYTHONPATH\$\{PYTHONPATH:+:\}$(toPythonPath $out):$(toPythonPath ${pyGtkGlade})/gtk-2.0:$(toPythonPath ${pygobject}):$(toPythonPath ${pycairo}):$(toPythonPath ${pythonDBus})" in/scripts=wicd-gtk.in
     sed -i "2iexport PATH=\$PATH\$\{PATH:+:\}${python}/bin" in/scripts=wicd-cli.in
-    sed -i "3iexport PYTHONPATH=\$PYTHONPATH\$\{PYTHONPATH:+:\}$(toPythonPath $out):$(toPythonPath ${pyGtkGlade})/gtk-2.0:$(toPythonPath ${pygobject})/gtk-2.0:$(toPythonPath ${pycairo}):$(toPythonPath ${pythonDBus})" in/scripts=wicd-cli.in
+    sed -i "3iexport PYTHONPATH=\$PYTHONPATH\$\{PYTHONPATH:+:\}$(toPythonPath $out):$(toPythonPath ${pyGtkGlade})/gtk-2.0:$(toPythonPath ${pygobject}):$(toPythonPath ${pycairo}):$(toPythonPath ${pythonDBus})" in/scripts=wicd-cli.in
   '';
 
   configurePhase = ''