diff --git a/tox.ini b/tox.ini
index 79da018b9..ff797adc4 100644
--- a/tox.ini
+++ b/tox.ini
@@ -11,6 +11,7 @@ setenv =
    VIRTUAL_ENV={envdir}
 deps = -r{toxinidir}/test-requirements.txt
 commands =
+  rm -f .testrepository/times.dbm
   find . -type f -name "*.py[c|o]" -delete
   ostestr --concurrency=6 {posargs}