diff --git a/pkgs/development/python-modules/cryptg/default.nix b/pkgs/development/python-modules/cryptg/default.nix
index 73d5258efbe3..517e66eb565d 100644
--- a/pkgs/development/python-modules/cryptg/default.nix
+++ b/pkgs/development/python-modules/cryptg/default.nix
@@ -1,6 +1,5 @@
 {
   lib,
-  stdenv,
   buildPythonPackage,
   fetchFromGitHub,
   pythonOlder,
@@ -9,7 +8,6 @@
   rustc,
   setuptools,
   setuptools-rust,
-  libiconv,
 }:
 
 buildPythonPackage rec {
@@ -42,8 +40,6 @@ buildPythonPackage rec {
     cargo
   ];
 
-  buildInputs = lib.optionals stdenv.hostPlatform.isDarwin [ libiconv ];
-
   # has no tests
   doCheck = false;