diff --git a/setup.cfg b/setup.cfg
deleted file mode 100644
index 38b0d02..0000000
--- a/setup.cfg
+++ /dev/null
@@ -1,62 +0,0 @@
-[metadata]
-name = makeflatt
-version = attr: makeflatt.__version__
-description = Python module for interacting with nested dicts as a single level dict with delimited keys.
-long_description = file: README.md
-long_description_content_type = text/x-rst
-url = https://github.com/jaswdr/makeflatt
-author = Jonathan Schweder
-author_email = jonathanschweder@gmail.com
-license = MIT
-license_file = LICENSE
-platforms = unix, linux, osx, cygwin, win32
-classifiers =
-    Topic :: Software Development :: Libraries
-    Development Status :: 5 - Production/Stable
-    Intended Audience :: Developers
-    License :: OSI Approved :: MIT License
-    Operating System :: POSIX
-    Operating System :: MacOS :: MacOS X
-    Operating System :: Microsoft :: Windows
-    Programming Language :: Python
-    Programming Language :: Python :: 3
-    Programming Language :: Python :: 3 :: Only
-    Programming Language :: Python :: 3.8
-    Programming Language :: Python :: 3.9
-    Programming Language :: Python :: 3.10
-    Programming Language :: Python :: 3.11
-    Topic :: Utilities
-    Topic :: Software Development :: Libraries
-    Programming Language :: Python :: Implementation :: CPython
-    Programming Language :: Python :: Implementation :: PyPy
-keywords = makeflatt, dict, dictionaries, flatten
-project_urls =
-    Changelog=https://github.com/jaswdr/makeflatt/blob/master/CHANGELOG.md
-    Source=https://github.com/jaswdr/makeflatt
-    Tracker=https://github.com/jaswdr/makeflatt/issues
-
-[options]
-include_package_data = True
-py_modules = makeflatt
-zip_safe = True
-
-[options.package_data]
-* = CHANGELOG.md, README.md, LICENSE
-
-[flake8]
-application-import-names = makeflatt
-exclude = ci, docs, env
-ignore = RST304
-import-order-style = google
-
-[coverage:run]
-branch = True
-
-[coverage:report]
-show_missing = True
-
-[coverage:html]
-directory = build/coverage
-
-[coverage:xml]
-output = build/coverage.xml
diff --git a/setup.py b/setup.py
deleted file mode 100644
index 45dd44e..0000000
--- a/setup.py
+++ /dev/null
@@ -1,7 +0,0 @@
-import pkg_resources
-import setuptools
-
-setuptools_version = pkg_resources.parse_version(setuptools.__version__)
-if setuptools_version < pkg_resources.parse_version('39.2'):
-    raise SystemExit('setuptools 39.2 or greater required for installation')
-setuptools.setup()