diff --git a/pkgs/development/python-modules/pycollada/default.nix b/pkgs/development/python-modules/pycollada/default.nix
index 35b10421f2c0..b074f9f4934e 100644
--- a/pkgs/development/python-modules/pycollada/default.nix
+++ b/pkgs/development/python-modules/pycollada/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, fetchPypi, buildPythonPackage, numpy, isPy3k, dateutil, dateutil_1_5 }:
+{ stdenv, fetchPypi, buildPythonPackage, numpy, isPy3k, dateutil }:
 
 buildPythonPackage rec {
   pname = "pycollada";
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 3d374f41455b..ac8c6f7651d9 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -2118,9 +2118,6 @@ in {
   # Alias that we should deprecate
   dateutil = self.python-dateutil;
 
-  # Buildbot 0.8.7p1 needs dateutil==1.5
-  dateutil_1_5 = callPackage ../development/python-modules/dateutil/1_5.nix { };
-
   decorator = callPackage ../development/python-modules/decorator { };
 
   deform = callPackage ../development/python-modules/deform { };