diff --git a/pkgs/development/python-modules/tinycss2/default.nix b/pkgs/development/python-modules/tinycss2/default.nix
index 7504df7a4de..6f4eb927f3a 100644
--- a/pkgs/development/python-modules/tinycss2/default.nix
+++ b/pkgs/development/python-modules/tinycss2/default.nix
@@ -35,10 +35,6 @@ buildPythonPackage rec {
   propagatedBuildInputs = [ webencodings ];
 
   checkInputs = [ pytest pytestrunner pytestcov pytest-flake8 pytest-isort ];
-  preCheck = ''
-    # this fails a flake lint-type check, so just remove it
-    rm tinycss2/css-parsing-tests/make_color3_hsl.py
-  '';
 
   meta = with lib; {
     description = "Low-level CSS parser for Python";