diff --git a/pkgs/development/python-modules/testtools/default.nix b/pkgs/development/python-modules/testtools/default.nix
index 0ea71bcbe6af..0ceb7f1b7db5 100644
--- a/pkgs/development/python-modules/testtools/default.nix
+++ b/pkgs/development/python-modules/testtools/default.nix
@@ -7,9 +7,6 @@
   # build-system
   hatchling,
   hatch-vcs,
-
-  # dependencies
-  setuptools,
 }:
 
 buildPythonPackage rec {
@@ -29,8 +26,6 @@ buildPythonPackage rec {
 
   pythonRemoveDeps = [ "fixtures" ];
 
-  propagatedBuildInputs = lib.optionals (pythonAtLeast "3.12") [ setuptools ];
-
   # testscenarios has a circular dependency on testtools
   doCheck = false;