diff --git a/pkgs/development/python-modules/billiard/default.nix b/pkgs/development/python-modules/billiard/default.nix
index ac2d7a828b85..428ed4da40a3 100644
--- a/pkgs/development/python-modules/billiard/default.nix
+++ b/pkgs/development/python-modules/billiard/default.nix
@@ -29,11 +29,6 @@ buildPythonPackage rec {
     pytestCheckHook
   ];
 
-  disabledTests = [
-    # psutil.NoSuchProcess: process no longer exists (pid=168)
-    "test_set_pdeathsig"
-  ];
-
   pythonImportsCheck = [ "billiard" ];
 
   meta = with lib; {