diff --git a/pkgs/development/python-modules/pycodestyle/default.nix b/pkgs/development/python-modules/pycodestyle/default.nix
index 5eb2ec1055a..4671a8e7846 100644
--- a/pkgs/development/python-modules/pycodestyle/default.nix
+++ b/pkgs/development/python-modules/pycodestyle/default.nix
@@ -1,4 +1,4 @@
-{ lib, buildPythonPackage, fetchPypi, fetchpatch }:
+{ lib, buildPythonPackage, fetchPypi }:
 
 buildPythonPackage rec {
   pname = "pycodestyle";