diff --git a/pyproject.toml b/pyproject.toml
index 3508c0f9a1..3aacca2d25 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -71,3 +71,11 @@ compress = { file = "requires-compress.txt" }
 [tool.setuptools.packages.find]
 namespaces = false
 where = ["src"]
+
+[tool.setuptools.data-files]
+# like `jupyter nbextension install --sys-prefix`
+"share/jupyter/nbextensions/dash" = ["src/dash/nbextension/main.js"]
+# like `jupyter nbextension enable --sys-prefix`
+"etc/jupyter/nbconfig/notebook.d" = ["src/dash/nbextension/dash.json"]
+# Place jupyterlab extension in extension directory
+"share/jupyter/lab/extensions" = ["src/dash/labextension/dist/dash-jupyterlab.tgz"]
diff --git a/setup.py b/setup.py
deleted file mode 100644
index 9ec06c801d..0000000000
--- a/setup.py
+++ /dev/null
@@ -1,19 +0,0 @@
-from setuptools import setup
-
-
-setup(
-    data_files=[
-        # like `jupyter nbextension install --sys-prefix`
-        ("share/jupyter/nbextensions/dash", [
-            "src/dash/nbextension/main.js",
-        ]),
-        # like `jupyter nbextension enable --sys-prefix`
-        ("etc/jupyter/nbconfig/notebook.d", [
-            "src/dash/nbextension/dash.json"
-        ]),
-        # Place jupyterlab extension in extension directory
-        ("share/jupyter/lab/extensions", [
-            "src/dash/labextension/dist/dash-jupyterlab.tgz"
-        ]),
-    ],
-)