diff --git a/requirements/dev.txt b/requirements/dev.txt
index 4441ae7fcb..34b4e75fe2 100644
--- a/requirements/dev.txt
+++ b/requirements/dev.txt
@@ -1,6 +1,4 @@
 coverage~=5.3
-flake8~=3.8.4
-tox~=3.24
 pytest-cov~=2.10.1
 pytest-xdist~=2.5
 pytest-env~=0.6.2