diff --git a/pkgs/development/python-modules/wfuzz/default.nix b/pkgs/development/python-modules/wfuzz/default.nix
index 2fdce5236819..d1d63ab4deaa 100644
--- a/pkgs/development/python-modules/wfuzz/default.nix
+++ b/pkgs/development/python-modules/wfuzz/default.nix
@@ -37,11 +37,6 @@ buildPythonPackage rec {
     })
   ];
 
-  postPatch = ''
-    substituteInPlace setup.py \
-      --replace-fail "pyparsing>=2.4*" "pyparsing>=2.4"
-  '';
-
   build-system = [ setuptools ];
 
   dependencies = [