diff --git a/tox.ini b/tox.ini
index 6f38aa2..25e512d 100644
--- a/tox.ini
+++ b/tox.ini
@@ -13,7 +13,6 @@ deps = -r{toxinidir}/requirements.txt
 commands =
     coverage erase
     python setup.py testr --coverage --slowest --testr-args='{posargs}'
-    coverage combine
     coverage report -m
     coverage erase