diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 50f7311e7cc..0068e345464 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -1222,28 +1222,6 @@ in {
 
   backports_unittest-mock = callPackage ../development/python-modules/backports_unittest-mock {};
 
-  backports_weakref = buildPythonPackage rec {
-    name = "backports.weakref-${version}";
-    version = "1.0rc1";
-
-    src = pkgs.fetchurl {
-      url = "mirror://pypi/b/backports.weakref/${name}.tar.gz";
-      sha256 = "14i8m3lspykdfpzf50grij3z286j9q8f32f2bnwdicv659qvy4w8";
-    };
-
-    buildInputs = with self; [ setuptools_scm ];
-
-    checkPhase = ''
-      ${python.interpreter} -m unittest discover
-    '';
-
-    meta = {
-      homepage = "https://github.com/pjdelport/backports.weakref";
-      license = licenses.psfl;
-      description = "Backport of new features in Python's weakref module";
-    };
-  };
-
   babelfish = buildPythonPackage rec {
     version = "0.5.5";
     name = "babelfish-${version}";