--- a/setup.py
+++ b//setup.py
@@ -135,7 +135,6 @@
     platforms=["posix", "nt"],
     package_dir={"": "src"},
     packages=find_packages("src"),
-    ext_modules=[tx],
     zip_safe=False,
     cmdclass=cmdclass,
     install_requires=[
@@ -145,7 +144,6 @@
     setup_requires=[
         "setuptools_scm",
         # finds all git tracked files including submodules when making sdist MANIFEST
-        "setuptools-git-ls-files",
     ],
     extras_require={"testing": ["pytest"]},
     python_requires=">=3.6",