diff --git a/tox.ini b/tox.ini
index 14c2190a..18387852 100644
--- a/tox.ini
+++ b/tox.ini
@@ -16,9 +16,10 @@ setenv = VIRTUAL_ENV={envdir}
 deps = -r{toxinidir}/requirements.txt
        -r{toxinidir}/test-requirements.txt
 commands =
+  rm -f .testrepository/times.dbm
   python tools/patch_tox_venv.py
   python setup.py testr --slowest --testr-args='{posargs}'
-
+ 
 [tox:jenkins]
 sitepackages = False