--- pyproject.toml.orig	2024-01-18 11:25:11 UTC
+++ pyproject.toml
@@ -3,8 +3,5 @@ requires = [
     "setuptools",
     "setuptools_scm",
 ]
-# https://setuptools.pypa.io/en/latest/build_meta.html#dynamic-build-dependencies-and-other-build-meta-tweaks
-build-backend = "backend"
-backend-path = ["_custom_build"]
 [tool.setuptools_scm]
 write_to = "src/cffsubr/_version.py"