diff --git a/tox.ini b/tox.ini
index 118be0ef27..79d147c27e 100644
--- a/tox.ini
+++ b/tox.ini
@@ -18,6 +18,7 @@ deps = -r{toxinidir}/requirements.txt
 passenv = TEMPEST_* OS_TEST_*
 commands =
   find . -type f -name "*.py[c|o]" -delete
+  rm -f .testrepository/times.dbm
   bash tools/pretty_tox.sh '{posargs}'
 
 [testenv:debug]