diff --git a/etc/oslo-config-generator/dhcp_agent.ini b/etc/oslo-config-generator/dhcp_agent.ini
index 13a0de18234..c9bd3c4ebeb 100644
--- a/etc/oslo-config-generator/dhcp_agent.ini
+++ b/etc/oslo-config-generator/dhcp_agent.ini
@@ -2,6 +2,7 @@
 output_file = etc/dhcp_agent.ini.sample
 wrap_width = 79
 
+namespace = neutron.az.agent
 namespace = neutron.base.agent
 namespace = neutron.dhcp.agent
 namespace = oslo.log
diff --git a/etc/oslo-config-generator/l3_agent.ini b/etc/oslo-config-generator/l3_agent.ini
index 82bf2ca683c..755edb9e62a 100644
--- a/etc/oslo-config-generator/l3_agent.ini
+++ b/etc/oslo-config-generator/l3_agent.ini
@@ -2,6 +2,7 @@
 output_file = etc/l3_agent.ini.sample
 wrap_width = 79
 
+namespace = neutron.az.agent
 namespace = neutron.base.agent
 namespace = neutron.l3.agent
 namespace = oslo.log
diff --git a/etc/oslo-config-generator/metering_agent.ini b/etc/oslo-config-generator/metering_agent.ini
index 9c00d30efec..608879715a0 100644
--- a/etc/oslo-config-generator/metering_agent.ini
+++ b/etc/oslo-config-generator/metering_agent.ini
@@ -2,5 +2,6 @@
 output_file = etc/metering_agent.ini.sample
 wrap_width = 79
 
+namespace = neutron.base.agent
 namespace = neutron.metering.agent
 namespace = oslo.log
diff --git a/neutron/opts.py b/neutron/opts.py
index 639e25453e1..33f5d96a6f3 100644
--- a/neutron/opts.py
+++ b/neutron/opts.py
@@ -156,11 +156,13 @@ def list_base_agent_opts():
              neutron.agent.common.config.INTERFACE_DRIVER_OPTS,
              neutron.conf.agent.ovs_conf.OPTS)
          ),
-        ('AGENT',
-         itertools.chain(
-             neutron.agent.common.config.AGENT_STATE_OPTS,
-             neutron.agent.common.config.AVAILABILITY_ZONE_OPTS)
-         )
+        ('AGENT', neutron.agent.common.config.AGENT_STATE_OPTS),
+    ]
+
+
+def list_az_agent_opts():
+    return [
+        ('AGENT', neutron.agent.common.config.AVAILABILITY_ZONE_OPTS),
     ]
 
 
@@ -230,11 +232,7 @@ def list_metadata_agent_opts():
 
 def list_metering_agent_opts():
     return [
-        ('DEFAULT',
-         itertools.chain(
-             neutron.conf.services.metering_agent.metering_agent_opts,
-             neutron.agent.common.config.INTERFACE_DRIVER_OPTS)
-         )
+        ('DEFAULT', neutron.conf.services.metering_agent.metering_agent_opts),
     ]
 
 
diff --git a/setup.cfg b/setup.cfg
index 96e5ebe9d12..f22b87f298e 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -129,6 +129,7 @@ oslo.messaging.notify.drivers =
 oslo.config.opts =
     neutron = neutron.opts:list_opts
     neutron.agent = neutron.opts:list_agent_opts
+    neutron.az.agent = neutron.opts:list_az_agent_opts
     neutron.base.agent = neutron.opts:list_base_agent_opts
     neutron.db = neutron.opts:list_db_opts
     neutron.dhcp.agent = neutron.opts:list_dhcp_agent_opts