diff --git a/pyproject.toml b/pyproject.toml
index 25b8616..2da971e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -35,9 +35,9 @@ repository = "https://github.com/astropy/quantity-2.0"
 
 [build-system]
 requires = [
-  "setuptools>=62.1",
+  "setuptools>=64.0",
   "setuptools_scm[toml]>=6.2",
-  "wheel",]
+]
 build-backend = "setuptools.build_meta"
 
 [tool.setuptools]
diff --git a/setup.py b/setup.py
deleted file mode 100755
index c823345..0000000
--- a/setup.py
+++ /dev/null
@@ -1,4 +0,0 @@
-#!/usr/bin/env python
-from setuptools import setup
-
-setup()