diff --git a/HACKING.rst b/HACKING.rst
index 8c6d928..cd3c49c 100644
--- a/HACKING.rst
+++ b/HACKING.rst
@@ -1,4 +1,4 @@
 openstack Style Commandments
 ===============================================
 
-Read the OpenStack Style Commandments http://docs.openstack.org/developer/hacking/
+Read the OpenStack Style Commandments https://docs.openstack.org/hacking/latest/
diff --git a/neutron_tempest_plugin/common/constants.py b/neutron_tempest_plugin/common/constants.py
index 4ad780d..4dc7844 100644
--- a/neutron_tempest_plugin/common/constants.py
+++ b/neutron_tempest_plugin/common/constants.py
@@ -123,10 +123,6 @@
 # agent has just returned to alive after being dead
 AGENT_REVIVED = 'revived'
 
-INGRESS_DIRECTION = 'ingress'
-EGRESS_DIRECTION = 'egress'
-
-VALID_DIRECTIONS = (INGRESS_DIRECTION, EGRESS_DIRECTION)
 VALID_ETHERTYPES = (lib_constants.IPv4, lib_constants.IPv6)
 
 IP_ALLOWED_VERSIONS = [lib_constants.IP_VERSION_4, lib_constants.IP_VERSION_6]
diff --git a/tox.ini b/tox.ini
index dbd0526..c16664d 100644
--- a/tox.ini
+++ b/tox.ini
@@ -33,7 +33,7 @@
   sphinx-build -a -E -W -d releasenotes/build/doctrees -b html releasenotes/source releasenotes/build/html
 
 [testenv:debug]
-commands = oslo_debug_helper {posargs}
+commands = oslo_debug_helper -t neutron_tempest_plugin/ {posargs}
 
 [flake8]
 # E125 continuation line does not distinguish itself from next logical line