diff --git a/neutron/plugins/common/constants.py b/neutron/plugins/common/constants.py
index 809a1399e85..401b01dd093 100644
--- a/neutron/plugins/common/constants.py
+++ b/neutron/plugins/common/constants.py
@@ -35,14 +35,10 @@ EXT_TO_SERVICE_MAPPING = {
 }
 
 COMMON_PREFIXES = {
-    CORE: "",
-    DUMMY: "/dummy_svc",
     LOADBALANCER: "/lb",
     LOADBALANCERV2: "/lbaas",
     FIREWALL: "/fw",
     VPN: "/vpn",
-    METERING: "/metering",
-    L3_ROUTER_NAT: "",
 }
 
 # Service operation status constants
diff --git a/neutron/services/metering/metering_plugin.py b/neutron/services/metering/metering_plugin.py
index 5af10361559..57789b78475 100644
--- a/neutron/services/metering/metering_plugin.py
+++ b/neutron/services/metering/metering_plugin.py
@@ -22,6 +22,7 @@ from neutron.db.metering import metering_rpc
 class MeteringPlugin(metering_db.MeteringDbMixin):
     """Implementation of the Neutron Metering Service Plugin."""
     supported_extension_aliases = ["metering"]
+    path_prefix = "/metering"
 
     def __init__(self):
         super(MeteringPlugin, self).__init__()
diff --git a/neutron/tests/unit/db/metering/test_metering_db.py b/neutron/tests/unit/db/metering/test_metering_db.py
index c9e185163bc..f2db17f6e1b 100644
--- a/neutron/tests/unit/db/metering/test_metering_db.py
+++ b/neutron/tests/unit/db/metering/test_metering_db.py
@@ -114,7 +114,7 @@ class MeteringPluginDbTestCase(
     fmt = 'json'
 
     resource_prefix_map = dict(
-        (k.replace('_', '-'), constants.COMMON_PREFIXES[constants.METERING])
+        (k.replace('_', '-'), "/metering")
         for k in metering.RESOURCE_ATTRIBUTE_MAP.keys()
     )
 
diff --git a/neutron/tests/unit/dummy_plugin.py b/neutron/tests/unit/dummy_plugin.py
index ed0b739440c..41a37231935 100644
--- a/neutron/tests/unit/dummy_plugin.py
+++ b/neutron/tests/unit/dummy_plugin.py
@@ -88,6 +88,7 @@ class DummyServicePlugin(service_base.ServicePluginBase):
     """
 
     supported_extension_aliases = ['dummy', servicetype.EXT_ALIAS]
+    path_prefix = "/dummy_svc"
     agent_notifiers = {'dummy': 'dummy_agent_notifier'}
 
     def __init__(self):
diff --git a/neutron/tests/unit/services/metering/test_metering_plugin.py b/neutron/tests/unit/services/metering/test_metering_plugin.py
index 508117395c8..b2443bf3857 100644
--- a/neutron/tests/unit/services/metering/test_metering_plugin.py
+++ b/neutron/tests/unit/services/metering/test_metering_plugin.py
@@ -62,7 +62,7 @@ class TestMeteringPlugin(test_db_base_plugin_v2.NeutronDbPluginV2TestCase,
                          test_metering_db.MeteringPluginDbTestCaseMixin):
 
     resource_prefix_map = dict(
-        (k.replace('_', '-'), constants.COMMON_PREFIXES[constants.METERING])
+        (k.replace('_', '-'), "/metering")
         for k in ext_metering.RESOURCE_ATTRIBUTE_MAP.keys()
     )
 
@@ -281,7 +281,7 @@ class TestMeteringPluginL3AgentScheduler(
         test_metering_db.MeteringPluginDbTestCaseMixin):
 
     resource_prefix_map = dict(
-        (k.replace('_', '-'), constants.COMMON_PREFIXES[constants.METERING])
+        (k.replace('_', '-'), "/metering")
         for k in ext_metering.RESOURCE_ATTRIBUTE_MAP.keys()
     )
 
@@ -404,7 +404,7 @@ class TestMeteringPluginRpcFromL3Agent(
         test_metering_db.MeteringPluginDbTestCaseMixin):
 
     resource_prefix_map = dict(
-        (k.replace('_', '-'), constants.COMMON_PREFIXES[constants.METERING])
+        (k.replace('_', '-'), "/metering")
         for k in ext_metering.RESOURCE_ATTRIBUTE_MAP
     )