diff --git a/tox.ini b/tox.ini
index b4fa8d5..709b6d3 100644
--- a/tox.ini
+++ b/tox.ini
@@ -54,7 +54,8 @@ deps = coveralls
        {[testenv]deps}
 
 [testenv:docs]
-commands = python setup.py build_sphinx
+commands = rm -rf doc/source/api doc/build 
+           python setup.py build_sphinx
 
 [testenv:genconfig]
 commands = oslo-config-generator --output-file etc/ooi.conf.sample \