diff --git a/requirements/ci/py37.yml b/requirements/ci/py37.yml
index 52d4f279268..fb9f5b38f89 100644
--- a/requirements/ci/py37.yml
+++ b/requirements/ci/py37.yml
@@ -34,9 +34,7 @@ dependencies:
 
 # Test dependencies.
   - asv
-  - black=21.5b2
   - filelock
-  - flake8
   - imagehash>=4.0
   - nose
   - pillow<7
diff --git a/requirements/ci/py38.yml b/requirements/ci/py38.yml
index 42b8a061d0e..ed81a7aaa8c 100644
--- a/requirements/ci/py38.yml
+++ b/requirements/ci/py38.yml
@@ -34,9 +34,7 @@ dependencies:
 
 # Test dependencies.
   - asv
-  - black=21.5b2
   - filelock
-  - flake8
   - imagehash>=4.0
   - nose
   - pillow<7
diff --git a/setup.cfg b/setup.cfg
index b27e0c53d84..12163219e52 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -77,9 +77,7 @@ docs =
     sphinx-panels
 test =
     asv
-    black==21.5b2
     filelock
-    flake8
     imagehash>=4.0
     nose
     pillow<7
@@ -92,4 +90,4 @@ all =
     pyugrid
     stratify
     %(docs)s
-    %(test)s
\ No newline at end of file
+    %(test)s