diff --git a/python/adapters/openolt/openolt_statistics.py b/python/adapters/openolt/openolt_statistics.py
index 38e9615..5bade18 100644
--- a/python/adapters/openolt/openolt_statistics.py
+++ b/python/adapters/openolt/openolt_statistics.py
@@ -90,7 +90,7 @@
         #     # ONOS update
         #     self.update_logical_port_stats(port_stats)
         # # update port object stats
-        # port = self.device.adapter_agent.get_port(self.device.device_id,
+        # port = self.device.core_proxy.get_port(self.device.device_id,
         #     port_no=port_stats.intf_id)
         #
         # if port is None:
@@ -105,14 +105,14 @@
         # port.tx_errors = port_stats.tx_error_packets
         #
         # # Add port does an update if port exists
-        # self.device.adapter_agent.add_port(self.device.device_id, port)
+        # self.device.core_proxy.add_port(self.device.device_id, port)
 
     def flow_statistics_indication(self, flow_stats):
         self.log.info('flow-stats-collected', stats=flow_stats)
         # TODO: send to kafka ?
         # FIXME: etcd problem, do not update objects for now
         # # UNTESTED : the openolt driver does not yet provide flow stats
-        # self.device.adapter_agent.update_flow_stats(
+        # self.device.core_proxy.update_flow_stats(
         #       self.device.logical_device_id,
         #       flow_id=flow_stats.flow_id, packet_count=flow_stats.tx_packets,
         #       byte_count=flow_stats.tx_bytes)
@@ -180,35 +180,6 @@
         except Exception as err:
             self.log.exception("Error publishing kpi statistics. ", errmessage=err)
 
-    def update_logical_port_stats(self, port_stats):
-        try:
-            label = 'nni-{}'.format(port_stats.intf_id)
-            logical_port = self.device.adapter_agent.get_logical_port(
-                self.device.logical_device_id, label)
-        except KeyError as e:
-            self.log.warn('logical port was not found, it may not have been '
-                          'created yet', exception=e)
-            return
-
-        if logical_port is None:
-            self.log.error('logical-port-is-None',
-                logical_device_id=self.device.logical_device_id, label=label,
-                port_stats=port_stats)
-            return
-
-        logical_port.ofp_port_stats.rx_packets = port_stats.rx_packets
-        logical_port.ofp_port_stats.rx_bytes = port_stats.rx_bytes
-        logical_port.ofp_port_stats.tx_packets = port_stats.tx_packets
-        logical_port.ofp_port_stats.tx_bytes = port_stats.tx_bytes
-        logical_port.ofp_port_stats.rx_errors = port_stats.rx_error_packets
-        logical_port.ofp_port_stats.tx_errors = port_stats.tx_error_packets
-        logical_port.ofp_port_stats.rx_crc_err = port_stats.rx_crc_errors
-
-        self.log.debug('after-stats-update', port=logical_port)
-
-        self.device.adapter_agent.update_logical_port(
-            self.device.logical_device_id, logical_port)
-
     """
     The following 4 methods customer naming, the generation of the port objects, building of those
     objects and populating new data.   The pm metrics operate on the value that are contained in the Port objects.