diff --git a/pkgs/development/python-modules/howdoi/default.nix b/pkgs/development/python-modules/howdoi/default.nix
index 970c2025879f..c98192e9b0ab 100644
--- a/pkgs/development/python-modules/howdoi/default.nix
+++ b/pkgs/development/python-modules/howdoi/default.nix
@@ -1,5 +1,4 @@
 { lib
-, stdenv
 , buildPythonPackage
 , fetchPypi
 , six
@@ -19,8 +18,7 @@ buildPythonPackage rec {
     sha256 = "3b322668606d29d8a841c3b28c0574851f512b55c33a7ceb982b6a98d82fa3e3";
   };
 
-  propagatedBuildInputs = [ six requests-cache pygments pyquery ]
-    ++ lib.optionals stdenv.isDarwin [ cachelib appdirs ];
+  propagatedBuildInputs = [ six requests-cache pygments pyquery cachelib appdirs ];
 
   preCheck = ''
     export HOME=$(mktemp -d)