diff --git a/pkgs/development/python-modules/pdm-backend/default.nix b/pkgs/development/python-modules/pdm-backend/default.nix
index a30a0c5b9479..481f79690c61 100644
--- a/pkgs/development/python-modules/pdm-backend/default.nix
+++ b/pkgs/development/python-modules/pdm-backend/default.nix
@@ -1,12 +1,8 @@
 {
   lib,
   buildPythonPackage,
-  pythonOlder,
   fetchFromGitHub,
 
-  # propagates
-  importlib-metadata,
-
   # tests
   editables,
   gitMinimal,
@@ -29,8 +25,6 @@ buildPythonPackage rec {
 
   env.PDM_BUILD_SCM_VERSION = version;
 
-  dependencies = lib.optionals (pythonOlder "3.10") [ importlib-metadata ];
-
   pythonImportsCheck = [ "pdm.backend" ];
 
   nativeCheckInputs = [