diff --git a/tox.ini b/tox.ini
index 679d0a8d..c0eae03f 100644
--- a/tox.ini
+++ b/tox.ini
@@ -15,6 +15,7 @@ whitelist_externals = sh
                       rm
 commands =
   find . -type f -name "*.py[c|o]" -delete
+  rm -f .testrepository/times.dbm
 passenv = http_proxy
           HTTP_PROXY
           https_proxy