diff --git a/neutron/agent/dhcp/agent.py b/neutron/agent/dhcp/agent.py
index 83642e00ad2..fadfb964508 100644
--- a/neutron/agent/dhcp/agent.py
+++ b/neutron/agent/dhcp/agent.py
@@ -234,9 +234,6 @@ class DhcpAgent(manager.Manager):
                     LOG.info("DHCP configuration for ports %s is completed",
                              ports_to_send)
                     continue
-                except oslo_messaging.MessagingTimeout:
-                    LOG.error("Timeout notifying server of ports ready. "
-                              "Retrying...")
                 except Exception:
                     LOG.exception("Failure notifying DHCP server of "
                                   "ready DHCP ports. Will retry on next "
@@ -732,8 +729,8 @@ class DhcpPluginApi(object):
     def dhcp_ready_on_ports(self, port_ids):
         """Notify the server that DHCP is configured for the port."""
         cctxt = self.client.prepare(version='1.5')
-        return cctxt.call(self.context, 'dhcp_ready_on_ports',
-                          port_ids=port_ids)
+        cctxt.cast(self.context, 'dhcp_ready_on_ports',
+                   port_ids=port_ids)
 
 
 class NetworkCache(object):
diff --git a/neutron/tests/unit/agent/dhcp/test_agent.py b/neutron/tests/unit/agent/dhcp/test_agent.py
index bf1d2b9f20c..1dd5aa398cc 100644
--- a/neutron/tests/unit/agent/dhcp/test_agent.py
+++ b/neutron/tests/unit/agent/dhcp/test_agent.py
@@ -431,20 +431,6 @@ class TestDhcpAgent(base.BaseTestCase):
             dhcp.start_ready_ports_loop()
             spawn.assert_called_once_with(dhcp._dhcp_ready_ports_loop)
 
-    def test__dhcp_ready_ports_doesnt_log_exception_on_timeout(self):
-        dhcp = dhcp_agent.DhcpAgent(HOSTNAME)
-        dhcp.dhcp_ready_ports = set(range(4))
-
-        with mock.patch.object(dhcp.plugin_rpc, 'dhcp_ready_on_ports',
-                               side_effect=oslo_messaging.MessagingTimeout):
-            # exit after 2 iterations
-            with mock.patch.object(dhcp_agent.eventlet, 'sleep',
-                                   side_effect=[0, 0, RuntimeError]):
-                with mock.patch.object(dhcp_agent.LOG, 'exception') as lex:
-                    with testtools.ExpectedException(RuntimeError):
-                        dhcp._dhcp_ready_ports_loop()
-        self.assertFalse(lex.called)
-
     def test__dhcp_ready_ports_loop(self):
         dhcp = dhcp_agent.DhcpAgent(HOSTNAME)
         dhcp.dhcp_ready_ports = set(range(4))