diff --git a/tox.ini b/tox.ini
index f7248a78e58..9d47907eca6 100644
--- a/tox.ini
+++ b/tox.ini
@@ -17,7 +17,6 @@ commands =
 
 [testenv:functional]
 setenv = OS_TEST_PATH=./neutron/tests/functional
-         PYTHONHASHSEED=0
 commands =
   python setup.py testr --slowest --testr-args='{posargs}'
 
@@ -26,7 +25,6 @@ setenv = OS_TEST_PATH=./neutron/tests/functional
          OS_SUDO_TESTING=1
          OS_ROOTWRAP_CMD=sudo /usr/local/bin/neutron-rootwrap /etc/neutron/rootwrap.conf
          OS_FAIL_ON_MISSING_DEPS=1
-         PYTHONHASHSEED=0
 commands =
   python setup.py testr --slowest --testr-args='{posargs}'