diff --git a/tox.ini b/tox.ini
index e791b84c8..158e1c32f 100644
--- a/tox.ini
+++ b/tox.ini
@@ -9,7 +9,7 @@ sdistsrc={distshare}/py-*
 [testenv]
 changedir=testing
 commands=
-  py.test -rfsxX --junitxml={envlogdir}/junit-{envname}.xml --tools-on-path []
+  py.test -rfsxX --junitxml={envlogdir}/junit-{envname}.xml []
 deps=
     pexpect
 [testenv:py27]
@@ -21,7 +21,7 @@ deps=
     {distshare}/pytest-xdist-*
 commands=
   py.test -n3 -rfsxX \
-        --junitxml={envlogdir}/junit-{envname}.xml --tools-on-path []
+        --junitxml={envlogdir}/junit-{envname}.xml []
 
 [testenv:py26]
 basepython=python2.6