diff --git a/py/BUILD.bazel b/py/BUILD.bazel
index d9e2a406b0a38..4935d598a63db 100644
--- a/py/BUILD.bazel
+++ b/py/BUILD.bazel
@@ -335,7 +335,6 @@ py_library(
     ],
     data = [
         "pyproject.toml",
-        "setup.cfg",
         "test/selenium/webdriver/common/test_file.txt",
         "test/selenium/webdriver/common/test_file2.txt",
         ":webextensions-selenium-example-unsigned-zip",
diff --git a/py/setup.cfg b/py/setup.cfg
deleted file mode 100644
index c8eb38080b7d3..0000000000000
--- a/py/setup.cfg
+++ /dev/null
@@ -1,6 +0,0 @@
-[flake8]
-exclude = .tox,docs/source/conf.py,*venv
-# Disable this once black is applied throughout & line length is better handled.
-extend-ignore = E501, E203
-# This does nothing for now as E501 is ignored.
-max-line-length = 120
diff --git a/py/tox.ini b/py/tox.ini
index fefb4daa3997f..3ba7d4be20ccc 100644
--- a/py/tox.ini
+++ b/py/tox.ini
@@ -58,3 +58,10 @@ commands =
   black selenium/ test/ conftest.py -l 120
   flake8 selenium/ test/ --min-python-version=3.8
   docformatter --in-place -r selenium/
+
+[flake8]
+exclude = .tox,docs/source/conf.py,*venv
+# Disable this once black is applied throughout & line length is better handled.
+extend-ignore = E501, E203
+# This does nothing for now as E501 is ignored.
+max-line-length = 120