diff --git a/.circleci/config.yml b/.circleci/config.yml
index 4914ed1a..a532df33 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -12,8 +12,7 @@ jobs:
           command: sudo python -m pip install flake8
       - run:
           name: Test.
-          command: flake8 --exclude=.git,.venv,site .
-
+          command: flake8 .
   osx-python3.6:
     macos:
       xcode: "9.4.1"
diff --git a/setup.cfg b/setup.cfg
index 0c40e1ad..4346b720 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -22,4 +22,12 @@ universal = 1
 [flake8]
 ignore = E501,W503
 application-import-names = cibuildwheel
-extend-exclude = cibuildwheel/resources/
+exclude =
+  cibuildwheel/resources/,
+  dist/,
+  build/,
+  .git/,
+  env/,
+  env2/,
+  .venv/,
+  site/