diff --git a/openstack/resource.py b/openstack/resource.py
index e8c1830c2..35e9c908f 100644
--- a/openstack/resource.py
+++ b/openstack/resource.py
@@ -471,9 +471,6 @@ class Resource(dict):
     #: The base part of the URI for this resource.
     base_path = ""
 
-    #: The service associated with this resource to find the service URL.
-    service = None
-
     #: Allow create operation for this resource.
     allow_create = False
     #: Allow get operation for this resource.
@@ -1339,9 +1336,6 @@ class Resource(dict):
         # Resource class that is calling session.$something to be complete.
         if isinstance(session, adapter.Adapter):
             return session
-        if hasattr(session, '_sdk_connection'):
-            service_type = cls.service['service_type']
-            return getattr(session._sdk_connection, service_type)
         raise ValueError(
             "The session argument to Resource methods requires either an"
             " instance of an openstack.proxy.Proxy object or at the very least"
diff --git a/openstack/tests/unit/compute/v2/test_limits.py b/openstack/tests/unit/compute/v2/test_limits.py
index 90da84d9d..4971dad1d 100644
--- a/openstack/tests/unit/compute/v2/test_limits.py
+++ b/openstack/tests/unit/compute/v2/test_limits.py
@@ -113,7 +113,6 @@ class TestRateLimit(base.TestCase):
         self.assertIsNone(sot.resource_key)
         self.assertIsNone(sot.resources_key)
         self.assertEqual("", sot.base_path)
-        self.assertIsNone(sot.service)
         self.assertFalse(sot.allow_create)
         self.assertFalse(sot.allow_fetch)
         self.assertFalse(sot.allow_commit)