diff --git a/pkgs/development/python-modules/bcrypt/default.nix b/pkgs/development/python-modules/bcrypt/default.nix
index f0e23e713c3a..fa440cc7fd2d 100644
--- a/pkgs/development/python-modules/bcrypt/default.nix
+++ b/pkgs/development/python-modules/bcrypt/default.nix
@@ -5,10 +5,8 @@
 , rustc
 , setuptools
 , setuptools-rust
-, isPyPy
 , fetchPypi
 , pythonOlder
-, cffi
 , pytestCheckHook
 , libiconv
 , stdenv
@@ -51,14 +49,6 @@ buildPythonPackage rec {
   # Remove when https://github.com/NixOS/nixpkgs/pull/190093 lands.
   buildInputs = lib.optional stdenv.isDarwin libiconv;
 
-  propagatedBuildInputs = [
-    cffi
-  ];
-
-  propagatedNativeBuildInputs = [
-    cffi
-  ];
-
   nativeCheckInputs = [
     pytestCheckHook
   ];