diff --git a/pkgs/development/python-modules/vilfo-api-client/default.nix b/pkgs/development/python-modules/vilfo-api-client/default.nix
index 5c4ac4ebd0f6..683f1d346f6a 100644
--- a/pkgs/development/python-modules/vilfo-api-client/default.nix
+++ b/pkgs/development/python-modules/vilfo-api-client/default.nix
@@ -28,11 +28,6 @@ buildPythonPackage (finalAttrs: {
     setuptools-scm
   ];
 
-  postPatch = ''
-    substituteInPlace setup.cfg \
-      --replace-fail "get-mac" "getmac"
-  '';
-
   dependencies = [
     getmac
     requests