diff --git a/tests/prefer-wheel/default.nix b/tests/prefer-wheel/default.nix
index b6c3d8e..6d8d762 100644
--- a/tests/prefer-wheel/default.nix
+++ b/tests/prefer-wheel/default.nix
@@ -1,4 +1,4 @@
-{ lib, poetry2nix, python3 }:
+{ lib, poetry2nix }:
 let
   drv = poetry2nix.mkPoetryApplication {
     pyproject = ./pyproject.toml;