diff --git a/tox.ini b/tox.ini
index 1fa883315..92cdfc85a 100644
--- a/tox.ini
+++ b/tox.ini
@@ -60,7 +60,6 @@ commands =
 extras = testing
 deps =
     pytest-xdist>=1.13
-    {py27,pypy}: mock
     {env:_PYTEST_TOX_EXTRA_DEP:}
 commands = {[testenv:py27-xdist]commands}
 
@@ -81,7 +80,6 @@ commands = {[testenv:py27-pexpect]commands}
 extras = testing
 deps =
     pytest-xdist>=1.13
-    py27: mock
     {env:_PYTEST_TOX_EXTRA_DEP:}
 distribute = true
 setenv =