diff --git a/.gitignore b/.gitignore
index ba8e4e168d..c1318621af 100644
--- a/.gitignore
+++ b/.gitignore
@@ -9,6 +9,7 @@ trove.egg*
 trove/vcsversion.py
 *py*.egg
 .coverage
+coverage.xml
 cover/
 dist/
 host-syslog.log
diff --git a/tox.ini b/tox.ini
index 5ea44fd46a..01be3fec3b 100644
--- a/tox.ini
+++ b/tox.ini
@@ -27,8 +27,9 @@ commands =
              xargs -0 -n 1 msgfmt --check-format -o /dev/null"
 
 [testenv:py34]
-commands =
-    ostestr --blacklist_file=blacklist-py3.txt --serial
+commands = rm -f .testrepository/times.dbm
+           ostestr --blacklist_file=blacklist-py3.txt --serial
+whitelist_externals = rm
 
 
 [testenv:debug]