diff --git a/tox.ini b/tox.ini
index 86d81b1..05ecfaf 100644
--- a/tox.ini
+++ b/tox.ini
@@ -45,7 +45,6 @@
 [testenv:docs]
 deps =
     -c{env:UPPER_CONSTRAINTS_FILE:https://releases.openstack.org/constraints/upper/master}
-    -r{toxinidir}/requirements.txt
     -r{toxinidir}/test-requirements.txt
     -r{toxinidir}/doc/requirements.txt
 whitelist_externals = rm