diff --git a/pyproject.toml b/pyproject.toml
index f11e2e5e..a6ac0859 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -98,3 +98,12 @@ exclude_lines = [
     "raise NotImplementedError",
     "warnings\\.warn",
 ]
+
+[tool.flake8]
+max-line-length = 99
+doctests = false
+ignore = [
+    "E266",
+    "E231",
+    "W503",
+]
diff --git a/setup.cfg b/setup.cfg
deleted file mode 100644
index f355be94..00000000
--- a/setup.cfg
+++ /dev/null
@@ -1,7 +0,0 @@
-[flake8]
-max-line-length = 99
-doctests = False
-ignore =
-    E266
-    E231
-    W503