diff --git a/pkgs/development/python-modules/cryptography/default.nix b/pkgs/development/python-modules/cryptography/default.nix
index 1442b784cb37..873d1b99356a 100644
--- a/pkgs/development/python-modules/cryptography/default.nix
+++ b/pkgs/development/python-modules/cryptography/default.nix
@@ -44,8 +44,6 @@ buildPythonPackage rec {
 
   cargoRoot = "src/rust";
 
-  outputs = [ "out" "dev" ];
-
   nativeBuildInputs = lib.optionals (!isPyPy) [
     cffi
   ] ++ [