diff --git a/scripts/validate_docstrings.py b/scripts/validate_docstrings.py
index c9eb476ab65fa..61a03937f8ec6 100755
--- a/scripts/validate_docstrings.py
+++ b/scripts/validate_docstrings.py
@@ -217,6 +217,8 @@ def validate_pep8(self):
                 "-m",
                 "flake8",
                 "--format=%(row)d\t%(col)d\t%(code)s\t%(text)s",
+                "--max-line-length=88",
+                "--ignore=E203,E3,W503,W504,E402,E731",
                 file.name,
             ]
             response = subprocess.run(cmd, capture_output=True, check=False, text=True)
diff --git a/setup.cfg b/setup.cfg
deleted file mode 100644
index c4f16dadea825..0000000000000
--- a/setup.cfg
+++ /dev/null
@@ -1,25 +0,0 @@
-[flake8]
-max-line-length = 88
-# Although ruff is now the main linter for style checks, this section
-# is still needed for validate_docstrings.py
-ignore =
-    # space before : (needed for how black formats slicing)
-    E203,
-    # expected n blank lines
-    E3,
-    # line break before binary operator
-    W503,
-    # line break after binary operator
-    W504,
-    # module level import not at top of file
-    E402,
-    # do not assign a lambda expression, use a def
-    E731
-exclude =
-    doc/sphinxext/*.py,
-    doc/build/*.py,
-    doc/temp/*.py,
-    .eggs/*.py,
-    versioneer.py,
-    # exclude asv benchmark environments from linting
-    env