diff --git a/pkgs/development/python-modules/dateutil/1_5.nix b/pkgs/development/python-modules/dateutil/1_5.nix
deleted file mode 100644
index 0808cf4f2011..000000000000
--- a/pkgs/development/python-modules/dateutil/1_5.nix
+++ /dev/null
@@ -1,20 +0,0 @@
-{ stdenv, buildPythonPackage, fetchPypi, isPy3k, six }:
-
-buildPythonPackage rec {
-  pname = "python-dateutil";
-  version = "2.7.3";
-  disabled = isPy3k;
-
-  src = fetchPypi {
-    inherit pname version;
-    sha256 = "e27001de32f627c22380a688bcc43ce83504a7bc5da472209b4c70f02829f0b8";
-  };
-
-  propagatedBuildInputs = [ six ];
-
-  meta = with stdenv.lib; {
-    description = "Powerful extensions to the standard datetime module";
-    homepage = https://pypi.python.org/pypi/python-dateutil;
-    license = "BSD-style";
-  };
-}