diff --git a/tox.ini b/tox.ini
index 51b45b42..09d2afc4 100644
--- a/tox.ini
+++ b/tox.ini
@@ -25,7 +25,6 @@ commands =
 deps =
     pycodestyle==2.4.0
     pylint
-    unittest2
 
 [testenv:cover]
 basepython =
@@ -36,7 +35,6 @@ deps =
     python-gflags
     mock
     nose
-    unittest2
     coverage
     nosexcover
 
@@ -55,7 +53,6 @@ basepython =
 deps =
     mock
     nose
-    unittest2
     coverage
 commands =
     coverage run --branch -p samples/storage_sample/downloads_test.py