diff --git a/tox.ini b/tox.ini
index 59348eb4a..3c80435b2 100644
--- a/tox.ini
+++ b/tox.ini
@@ -12,6 +12,7 @@ setenv =
    DISCOVER_DIRECTORY=vitrage/tests
 deps = -r{toxinidir}/test-requirements.txt
 commands =
+    rm -f .testrepository/times.dbm
     python setup.py testr --slowest --testr-args='{posargs}'
     oslo-config-generator --config-file=etc/vitrage/vitrage-config-generator.conf