diff --git a/tox.ini b/tox.ini
index d76628e5..895a8f06 100644
--- a/tox.ini
+++ b/tox.ini
@@ -28,7 +28,4 @@ usedevelop = False
 usedevelop = True
 commands = python -m sphinx -W doc/ doc/_build
 deps =
-  sphinx
-  mock
-  gnupg
   -r{toxinidir}/doc/requirements.txt