diff --git a/pyproject.toml b/pyproject.toml
deleted file mode 100644
index 87688fd..0000000
--- a/pyproject.toml
+++ /dev/null
@@ -1,2 +0,0 @@
-[build-system]
-requires = ["setuptools", "setuptools_scm", "wheel"]
diff --git a/setup.py b/setup.py
index 5675a9f..3dafc3e 100644
--- a/setup.py
+++ b/setup.py
@@ -23,6 +23,7 @@ setup(
     #long_description="""TODO""",
     license="BSD",
     python_requires="~=3.6",
+    setup_requires=["setuptools", "setuptools_scm"],
     install_requires=[
         "importlib_metadata; python_version<'3.8'",  # for __version__ and nmigen._yosys
         "importlib_resources; python_version<'3.9'", # for nmigen._yosys