diff --git a/tox.ini b/tox.ini
index 24f746bfb0..9276f68324 100644
--- a/tox.ini
+++ b/tox.ini
@@ -31,6 +31,8 @@ install_command = pip install -U --force-reinstall {opts} {packages}
 commands =
   rm -rf api-ref/build
   sphinx-build -W -b html -d api-ref/build/doctrees api-ref/source api-ref/build/html
+whitelist_externals =
+  rm
 
 [testenv:legacy_drivers]
 deps = -r{toxinidir}/test-requirements.txt