diff --git a/tox.ini b/tox.ini
index 97d85a5..99717a5 100644
--- a/tox.ini
+++ b/tox.ini
@@ -4,19 +4,6 @@ envlist =
 
 [testenv]
 commands =
-    python setup.py -q test -q
-# without explicit deps, setup.py test will download a bunch of eggs into $PWD
-# (and it seems I can't use zope.dottedname[testing] here, so forget DRY)
+    python -m zope.intid.tests
 deps =
-    ZODB
-    zope.component
-    zope.container
-    zope.event
-    zope.interface
-    zope.keyreference
-    zope.lifecycleevent
-    zope.location
-    zope.security
-    zope.site
-    zope.testing
-    zope.traversing
+    .[test]