diff --git a/setup.py b/setup.py
deleted file mode 100644
index e0ef83e3..00000000
--- a/setup.py
+++ /dev/null
@@ -1,52 +0,0 @@
-import os
-from distutils.util import convert_path
-
-from setuptools import find_packages, setup
-
-project_dir = os.path.abspath(os.path.dirname(__file__))
-
-namespace = {}
-version_file = convert_path("src/taskgraph/__init__.py")
-with open(version_file) as fh:
-    exec(fh.read(), namespace)
-
-with open(os.path.join(project_dir, "requirements/base.in")) as fp:
-    requirements = fp.read().splitlines()
-
-with open(os.path.join(project_dir, "README.rst")) as fh:
-    long_description = fh.read()
-
-setup(
-    name="taskcluster-taskgraph",
-    version=namespace["__version__"],
-    description="Build taskcluster taskgraphs",
-    long_description=long_description,
-    url="https://github.com/taskcluster/taskgraph",
-    packages=find_packages("src"),
-    package_dir={"": "src"},
-    install_requires=requirements,
-    extras_require={
-        "load-image": ["zstandard"],
-    },
-    classifiers=[
-        "Development Status :: 5 - Production/Stable",
-        "Environment :: Console",
-        "License :: OSI Approved :: Mozilla Public License 2.0 (MPL 2.0)",
-        "Programming Language :: Python :: 3.8",
-        "Programming Language :: Python :: 3.9",
-        "Programming Language :: Python :: 3.10",
-        "Programming Language :: Python :: 3.11",
-        "Programming Language :: Python :: 3.12",
-        "Topic :: Software Development",
-    ],
-    entry_points={"console_scripts": ["taskgraph = taskgraph.main:main"]},
-    package_data={
-        "taskgraph": [
-            "run-task/run-task",
-            "run-task/fetch-content",
-            "run-task/hgrc",
-            "run-task/robustcheckout.py",
-        ],
-        "taskgraph.test": ["automationrelevance.json"],
-    },
-)