diff --git a/README.md b/README.md
index 4f831dc..5da2d93 100644
--- a/README.md
+++ b/README.md
@@ -30,6 +30,7 @@ $> source venv/bin/activate
 
 # Install `wxflow` with the developer requirements
 (venv) $> pip install .[dev]
+# NOTE: on a macOS, may need to specify ."[dev]" if using zsh
 
 # Run pytests
 (venv) $> pytest -v
diff --git a/setup.cfg b/setup.cfg
deleted file mode 100644
index 60a36cb..0000000
--- a/setup.cfg
+++ /dev/null
@@ -1,63 +0,0 @@
-[metadata]
-name = wxflow
-version = 0.0.1
-description = Tools for Weather Workflows
-long_description = file: README.md
-long_description_content_type = text/markdown
-author = "NOAA/NWS/NCEP/EMC"
-#author_email = first.last@domain.tld
-keywords = NOAA, NWS, NCEP, EMC, GFS, GEFS, SFS, RRFS
-home_page = https://github.com/noaa-emc/wxflow
-license = GNU Lesser General Public License
-classifiers =
-  Development Status :: 1 - Beta
-  Intended Audience :: Developers
-  Intended Audience :: Science/Research
-  License :: OSI Approved :: GNU Lesser General Public License
-  Natural Language :: English
-  Operating System :: OS Independent
-  Programming Language :: Python
-  Programming Language :: Python :: 3
-  Programming Language :: Python :: 3.6
-  Programming Language :: Python :: 3.7
-  Programming Language :: Python :: 3.8
-  Programming Language :: Python :: 3.9
-  Programming Language :: Python :: 3.10
-  Topic :: Software Development :: Libraries :: Python Modules
-  Operating System :: OS Independent
-  Typing :: Typed
-project_urls =
-  Bug Tracker = https://github.com/noaa-emc/wxflow/issues
-  CI = https://github.com/noaa-emc/wxflow/actions
-
-[options]
-zip_safe = False
-include_package_data = True
-package_dir =
-  =src
-packages = find_namespace:
-python_requires = >= 3.6
-setup_requires =
-  setuptools
-install_requires =
-  numpy==1.21.6
-  PyYAML==6.0
-  Jinja2==3.1.2
-tests_require =
-  pytest
-
-[options.packages.find]
-where=src
-
-[options.package_data]
-* = *.txt, *.md
-
-[options.extras_require]
-dev = pytest>=7; pytest-cov>=3
-
-[green]
-file-pattern = test_*.py
-verbose = 2
-no-skip-report = true
-quiet-stdout = true
-run-coverage = true
diff --git a/setup.py b/setup.py
deleted file mode 100644
index e748ce0..0000000
--- a/setup.py
+++ /dev/null
@@ -1,4 +0,0 @@
-''' Standard file for building the package with Distutils. '''
-
-import setuptools
-setuptools.setup()