diff --git a/cli/src/main/java/org/onosproject/cli/net/HostsListCommand.java b/cli/src/main/java/org/onosproject/cli/net/HostsListCommand.java
index 21e3a51..d337452 100644
--- a/cli/src/main/java/org/onosproject/cli/net/HostsListCommand.java
+++ b/cli/src/main/java/org/onosproject/cli/net/HostsListCommand.java
@@ -24,7 +24,6 @@
 import org.onosproject.net.Host;
 import org.onosproject.net.host.HostService;
 import org.onosproject.utils.Comparators;
-import org.onlab.util.Tools;
 
 import java.util.Collections;
 import java.util.List;
@@ -39,7 +38,7 @@
 public class HostsListCommand extends AbstractShellCommand {
 
     private static final String FMT =
-            "id=%s, mac=%s, location=%s/%s, vlan=%s, ip(s)=%s%s, last seen time=%s";
+            "id=%s, mac=%s, location=%s/%s, vlan=%s, ip(s)=%s%s";
 
     private static final String FMT_SHORT =
             "id=%s, mac=%s, location=%s/%s, vlan=%s, ip(s)=%s";
@@ -94,9 +93,7 @@
         } else {
             print(FMT, host.id(), host.mac(),
                   host.location().deviceId(), host.location().port(),
-                  host.vlan(), host.ipAddresses(), annotations(host.annotations()),
-                  Tools.timeAgo(host.timestamp().unixTimestamp()));
+                  host.vlan(), host.ipAddresses(), annotations(host.annotations()));
         }
     }
 }
-
diff --git a/core/api/src/main/java/org/onosproject/net/DefaultHost.java b/core/api/src/main/java/org/onosproject/net/DefaultHost.java
index 587fc7f..38a8e0d 100644
--- a/core/api/src/main/java/org/onosproject/net/DefaultHost.java
+++ b/core/api/src/main/java/org/onosproject/net/DefaultHost.java
@@ -16,7 +16,6 @@
 package org.onosproject.net;
 
 import org.onosproject.net.provider.ProviderId;
-import org.onosproject.store.service.WallClockTimestamp;
 import org.onlab.packet.IpAddress;
 import org.onlab.packet.MacAddress;
 import org.onlab.packet.VlanId;
@@ -37,7 +36,6 @@
     private final VlanId vlan;
     private final HostLocation location;
     private final Set<IpAddress> ips;
-    private final WallClockTimestamp timestamp;
 
     /**
      * Creates an end-station host using the supplied information.
@@ -53,29 +51,10 @@
     public DefaultHost(ProviderId providerId, HostId id, MacAddress mac,
                        VlanId vlan, HostLocation location, Set<IpAddress> ips,
                        Annotations... annotations) {
-        this(providerId, id, mac, vlan, location, ips, new WallClockTimestamp(), annotations);
-    }
-
-    /**
-     * Creates an end-station host using the supplied information.
-     *
-     * @param providerId provider identity
-     * @param id         host identifier
-     * @param mac        host MAC address
-     * @param vlan       host VLAN identifier
-     * @param location   host location
-     * @param ips        host IP addresses
-     * @param timestamp  last host updated time
-     * @param annotations optional key/value annotations
-     */
-    public DefaultHost(ProviderId providerId, HostId id, MacAddress mac,
-                       VlanId vlan, HostLocation location, Set<IpAddress> ips,
-                       WallClockTimestamp timestamp, Annotations... annotations) {
         super(providerId, id, annotations);
         this.mac = mac;
         this.vlan = vlan;
         this.location = location;
-        this.timestamp = timestamp;
         this.ips = new HashSet<>(ips);
     }
 
@@ -105,11 +84,6 @@
     }
 
     @Override
-    public WallClockTimestamp timestamp() {
-        return timestamp;
-    }
-
-    @Override
     public int hashCode() {
         return Objects.hash(id, mac, vlan, location);
     }
@@ -140,7 +114,6 @@
                 .add("location", location())
                 .add("ipAddresses", ipAddresses())
                 .add("annotations", annotations())
-                .add("timestamp", timestamp())
                 .toString();
     }
 
diff --git a/core/api/src/main/java/org/onosproject/net/Host.java b/core/api/src/main/java/org/onosproject/net/Host.java
index 485b76f..b9621b7 100644
--- a/core/api/src/main/java/org/onosproject/net/Host.java
+++ b/core/api/src/main/java/org/onosproject/net/Host.java
@@ -18,7 +18,6 @@
 import org.onlab.packet.IpAddress;
 import org.onlab.packet.MacAddress;
 import org.onlab.packet.VlanId;
-import org.onosproject.store.service.WallClockTimestamp;
 
 import java.util.Set;
 
@@ -64,14 +63,6 @@
      */
     HostLocation location();
 
-    /**
-     * Returns the host recent time.
-     * @return host last updated time
-     */
-    default WallClockTimestamp timestamp() {
-        return null;
-    }
     // TODO: explore capturing list of recent locations to aid in mobility
 
 }
-
diff --git a/core/api/src/main/java/org/onosproject/net/host/DefaultHostDescription.java b/core/api/src/main/java/org/onosproject/net/host/DefaultHostDescription.java
index 74fbbe9..3503eca 100644
--- a/core/api/src/main/java/org/onosproject/net/host/DefaultHostDescription.java
+++ b/core/api/src/main/java/org/onosproject/net/host/DefaultHostDescription.java
@@ -21,7 +21,6 @@
 import org.onosproject.net.AbstractDescription;
 import org.onosproject.net.HostLocation;
 import org.onosproject.net.SparseAnnotations;
-import org.onosproject.store.service.WallClockTimestamp;
 import org.onlab.packet.IpAddress;
 import org.onlab.packet.MacAddress;
 import org.onlab.packet.VlanId;
@@ -41,7 +40,6 @@
     private final VlanId vlan;
     private final HostLocation location;
     private final Set<IpAddress> ip;
-    private final WallClockTimestamp timestamp;
 
     /**
      * Creates a host description using the supplied information.
@@ -85,28 +83,11 @@
     public DefaultHostDescription(MacAddress mac, VlanId vlan,
                                   HostLocation location, Set<IpAddress> ip,
                                   SparseAnnotations... annotations) {
-        this(mac, vlan, location, ip, new WallClockTimestamp(), annotations);
-    }
-
-    /**
-     * Creates a host description using the supplied information.
-     *
-     * @param mac         host MAC address
-     * @param vlan        host VLAN identifier
-     * @param location    host location
-     * @param ip          host IP addresses
-     * @param timestamp     host recent updated time
-     * @param annotations optional key/value annotations map
-     */
-    public DefaultHostDescription(MacAddress mac, VlanId vlan,
-                                  HostLocation location, Set<IpAddress> ip,
-                                  WallClockTimestamp timestamp, SparseAnnotations... annotations) {
         super(annotations);
         this.mac = mac;
         this.vlan = vlan;
         this.location = location;
         this.ip = ImmutableSet.copyOf(ip);
-        this.timestamp = timestamp;
     }
 
     @Override
@@ -130,18 +111,12 @@
     }
 
     @Override
-    public WallClockTimestamp timestamp() {
-        return timestamp;
-    }
-
-    @Override
     public String toString() {
         return toStringHelper(this)
                 .add("mac", mac)
                 .add("vlan", vlan)
                 .add("location", location)
                 .add("ipAddress", ip)
-                .add("timestamp", timestamp)
                 .toString();
     }
 
@@ -164,4 +139,5 @@
         }
         return false;
     }
+
 }
diff --git a/core/api/src/main/java/org/onosproject/net/host/HostDescription.java b/core/api/src/main/java/org/onosproject/net/host/HostDescription.java
index dd25339..ad423a3 100644
--- a/core/api/src/main/java/org/onosproject/net/host/HostDescription.java
+++ b/core/api/src/main/java/org/onosproject/net/host/HostDescription.java
@@ -22,7 +22,6 @@
 import org.onlab.packet.IpAddress;
 import org.onlab.packet.MacAddress;
 import org.onlab.packet.VlanId;
-import org.onosproject.store.service.WallClockTimestamp;
 
 /**
  * Information describing host and its location.
@@ -56,12 +55,4 @@
      * @return host IP address
      */
     Set<IpAddress> ipAddress();
-
-    /**
-     * Returns the host recent updated Time.
-     * @return host last updated time.
-     */
-    default WallClockTimestamp timestamp() {
-        return null;
-    }
 }
diff --git a/core/common/src/main/java/org/onosproject/codec/impl/HostCodec.java b/core/common/src/main/java/org/onosproject/codec/impl/HostCodec.java
index ec1b39a..8bd27c7 100644
--- a/core/common/src/main/java/org/onosproject/codec/impl/HostCodec.java
+++ b/core/common/src/main/java/org/onosproject/codec/impl/HostCodec.java
@@ -39,8 +39,7 @@
         final ObjectNode result = context.mapper().createObjectNode()
                 .put("id", host.id().toString())
                 .put("mac", host.mac().toString())
-                .put("vlan", host.vlan().toString())
-                .put("timestamp", host.timestamp().unixTimestamp());
+                .put("vlan", host.vlan().toString());
 
         final ArrayNode jsonIpAddresses = result.putArray("ipAddresses");
         for (final IpAddress ipAddress : host.ipAddresses()) {
diff --git a/core/net/BUCK b/core/net/BUCK
index 773b20a..73bbe7d 100644
--- a/core/net/BUCK
+++ b/core/net/BUCK
@@ -12,7 +12,6 @@
     '//core/common:onos-core-common',
     '//core/store/dist:onos-core-dist',
     '//core/store/dist:onos-core-dist-tests',
-    '//utils/osgi:onlab-osgi-tests',
 ]
 
 osgi_jar_with_tests (
diff --git a/core/net/pom.xml b/core/net/pom.xml
index 57a39e8..d30f7a6 100644
--- a/core/net/pom.xml
+++ b/core/net/pom.xml
@@ -125,13 +125,6 @@
             <groupId>org.onosproject</groupId>
             <artifactId>onos-incubator-net</artifactId>
         </dependency>
-        <dependency>
-            <groupId>org.onosproject</groupId>
-            <artifactId>onlab-osgi</artifactId>
-            <version>${project.version}</version>
-            <classifier>tests</classifier>
-            <scope>test</scope>
-        </dependency>
     </dependencies>
 
 </project>
diff --git a/core/net/src/main/java/org/onosproject/net/host/impl/HostManager.java b/core/net/src/main/java/org/onosproject/net/host/impl/HostManager.java
index 27b9b7a..bdb5e43 100644
--- a/core/net/src/main/java/org/onosproject/net/host/impl/HostManager.java
+++ b/core/net/src/main/java/org/onosproject/net/host/impl/HostManager.java
@@ -106,15 +106,6 @@
             label = "Enable removal of duplicate ip address")
 
     private boolean allowDuplicateIps = true;
-
-    @Property(name = "monitorHosts", boolValue = false,
-            label = "Enable/Disable monitoring of hosts")
-    private boolean monitorHosts = false;
-
-    @Property(name = "probeRate", longValue = 30000,
-            label = "Set the probe Rate in milli seconds")
-    private long probeRate = 30000;
-
     private HostMonitor monitor;
 
 
@@ -123,71 +114,17 @@
         store.setDelegate(delegate);
         eventDispatcher.addSink(HostEvent.class, listenerRegistry);
         cfgService.registerProperties(getClass());
+        modified(context);
         networkConfigService.addListener(networkConfigListener);
         monitor = new HostMonitor(packetService, this, interfaceService, edgePortService);
-        monitor.setProbeRate(probeRate);
         monitor.start();
-        modified(context);
-        cfgService.registerProperties(getClass());
         log.info("Started");
     }
 
-    @Deactivate
-    public void deactivate() {
-        store.unsetDelegate(delegate);
-        eventDispatcher.removeSink(HostEvent.class);
-        networkConfigService.removeListener(networkConfigListener);
-        cfgService.unregisterProperties(getClass(), false);
-        monitor.shutdown();
-        log.info("Stopped");
-    }
-
     @Modified
     public void modified(ComponentContext context) {
-        boolean oldValue = monitorHosts;
-        readComponentConfiguration(context);
-        if (probeRate > 0) {
-            monitor.setProbeRate(probeRate);
-        } else {
-            log.warn("probeRate cannot be lessthan 0");
-        }
-
-        if (oldValue != monitorHosts) {
-            if (monitorHosts) {
-                startMonitoring();
-            } else {
-                stopMonitoring();
-            }
-        }
-    }
-
-    /**
-     * Extracts properties from the component configuration context.
-     *
-     * @param context the component context
-     */
-    private void readComponentConfiguration(ComponentContext context) {
         Dictionary<?, ?> properties = context.getProperties();
         Boolean flag;
-
-        flag = Tools.isPropertyEnabled(properties, "monitorHosts");
-        if (flag == null) {
-            log.info("monitorHosts is not enabled " +
-                             "using current value of {}", monitorHosts);
-        } else {
-            monitorHosts = flag;
-            log.info("Configured. monitorHosts {}",
-            monitorHosts ? "enabled" : "disabled");
-        }
-
-        Long longValue = Tools.getLongProperty(properties, "probeRate");
-        if (longValue == null || longValue == 0) {
-            log.info("probeRate is not set sing default value of {}", probeRate);
-        } else {
-            probeRate = longValue;
-            log.info("Configured. probeRate {}", probeRate);
-        }
-
         flag = Tools.isPropertyEnabled(properties, "allowDuplicateIps");
         if (flag == null) {
             log.info("Removal of duplicate ip address is not configured");
@@ -196,32 +133,14 @@
             log.info("Removal of duplicate ip address is {}",
                      allowDuplicateIps ? "disabled" : "enabled");
         }
-
-
     }
 
-    /**
-     * Starts monitoring the hosts by IP Address.
-     *
-     */
-    private void startMonitoring() {
-        store.getHosts().forEach(host -> {
-                    host.ipAddresses().forEach(ip -> {
-                           monitor.addMonitoringFor(ip);
-            });
-        });
-    }
-
-    /**
-     * Stops monitoring the hosts by IP Address.
-     *
-     */
-    private void stopMonitoring() {
-        store.getHosts().forEach(host -> {
-                    host.ipAddresses().forEach(ip -> {
-                           monitor.stopMonitoring(ip);
-            });
-        });
+    @Deactivate
+    public void deactivate() {
+        store.unsetDelegate(delegate);
+        eventDispatcher.removeSink(HostEvent.class);
+        networkConfigService.removeListener(networkConfigListener);
+        log.info("Stopped");
     }
 
     @Override
@@ -325,15 +244,8 @@
             }
             store.createOrUpdateHost(provider().id(), hostId,
                                      hostDescription, replaceIps);
-
-            if (monitorHosts) {
-                hostDescription.ipAddress().forEach(ip -> {
-                    monitor.addMonitoringFor(ip);
-                });
-            }
         }
 
-
         // When a new IP is detected, remove that IP on other hosts if it exists
         public void removeDuplicates(HostId hostId, HostDescription desc) {
             desc.ipAddress().forEach(ip -> {
@@ -346,7 +258,9 @@
                     }
                 });
             });
-         }
+        }
+
+
 
 
         // returns a HostDescription made from the union of the BasicHostConfig
@@ -362,12 +276,6 @@
         public void hostVanished(HostId hostId) {
             checkNotNull(hostId, HOST_ID_NULL);
             checkValidity();
-            Host host = store.getHost(hostId);
-            if (monitorHosts) {
-                host.ipAddresses().forEach(ip -> {
-                    monitor.stopMonitoring(ip);
-                });
-            }
             store.removeHost(hostId);
         }
 
@@ -415,4 +323,3 @@
         }
     }
 }
-
diff --git a/core/net/src/main/java/org/onosproject/net/host/impl/HostMonitor.java b/core/net/src/main/java/org/onosproject/net/host/impl/HostMonitor.java
index 747c8eb..c2bac09 100644
--- a/core/net/src/main/java/org/onosproject/net/host/impl/HostMonitor.java
+++ b/core/net/src/main/java/org/onosproject/net/host/impl/HostMonitor.java
@@ -150,13 +150,6 @@
         hostProviders.put(provider.id(), provider);
     }
 
-    /*
-     * Sets the probe rate.
-     */
-    void setProbeRate(long probeRate) {
-        this.probeRate = probeRate;
-    }
-
     @Override
     public void run(Timeout timeout) throws Exception {
         monitoredAddresses.forEach(this::probe);
diff --git a/core/net/src/test/java/org/onosproject/net/host/impl/HostManagerTest.java b/core/net/src/test/java/org/onosproject/net/host/impl/HostManagerTest.java
index dd97d21..1eb014f 100644
--- a/core/net/src/test/java/org/onosproject/net/host/impl/HostManagerTest.java
+++ b/core/net/src/test/java/org/onosproject/net/host/impl/HostManagerTest.java
@@ -98,14 +98,12 @@
     protected TestHostProvider provider;
     protected HostProviderService providerService;
 
-    private static final ComponentContextAdapter REMOVE_DUPS_MONITOR =
+    private static final ComponentContextAdapter REMOVE_DUPS =
             new ComponentContextAdapter() {
                 @Override
                 public Dictionary getProperties() {
                     Hashtable<String, String> props = new Hashtable<>();
                     props.put("allowDuplicateIps", "true");
-                    props.put("monitorHosts", "true");
-                    props.put("probeRate", "40000");
                     return props;
                 }
             };
@@ -118,27 +116,28 @@
         registry = mgr;
         mgr.networkConfigService = new TestNetworkConfigService();
         mgr.cfgService = new ComponentConfigAdapter();
-
-        mgr.activate(REMOVE_DUPS_MONITOR);
-
+        mgr.activate(REMOVE_DUPS);
         mgr.addListener(listener);
 
         provider = new TestHostProvider();
         providerService = registry.register(provider);
-        assertTrue("provider should be registered", registry.getProviders().contains(provider.id()));
+        assertTrue("provider should be registered",
+                   registry.getProviders().contains(provider.id()));
     }
 
     @After
     public void tearDown() {
         registry.unregister(provider);
-        assertFalse("provider should not be registered", registry.getProviders().contains(provider.id()));
+        assertFalse("provider should not be registered",
+                    registry.getProviders().contains(provider.id()));
 
         mgr.removeListener(listener);
         mgr.deactivate();
         injectEventDispatcher(mgr, null);
     }
 
-    private void detect(HostId hid, MacAddress mac, VlanId vlan, HostLocation loc, IpAddress ip) {
+    private void detect(HostId hid, MacAddress mac, VlanId vlan,
+                        HostLocation loc, IpAddress ip) {
         HostDescription descr = new DefaultHostDescription(mac, vlan, loc, ip);
         providerService.hostDetected(hid, descr, false);
         assertNotNull("host should be found", mgr.getHost(hid));
@@ -218,7 +217,8 @@
         assertNull("host should have been removed", mgr.getHost(HID3));
     }
 
-    private void validateHosts(String msg, Iterable<Host> hosts, HostId... ids) {
+    private void validateHosts(
+            String msg, Iterable<Host> hosts, HostId... ids) {
         Set<HostId> hids = Sets.newHashSet(ids);
         for (Host h : hosts) {
             assertTrue(msg, hids.remove(h.id()));
@@ -252,7 +252,8 @@
         assertTrue("incorrect host location", mgr.getConnectedHosts(DID2).isEmpty());
     }
 
-    private static class TestHostProvider extends AbstractProvider implements HostProvider {
+    private static class TestHostProvider extends AbstractProvider
+            implements HostProvider {
 
         protected TestHostProvider() {
             super(PID);
@@ -283,4 +284,3 @@
     private class TestNetworkConfigService extends NetworkConfigServiceAdapter {
     }
 }
-
diff --git a/core/store/dist/src/main/java/org/onosproject/store/host/impl/DistributedHostStore.java b/core/store/dist/src/main/java/org/onosproject/store/host/impl/DistributedHostStore.java
index a359862..b4449ae 100644
--- a/core/store/dist/src/main/java/org/onosproject/store/host/impl/DistributedHostStore.java
+++ b/core/store/dist/src/main/java/org/onosproject/store/host/impl/DistributedHostStore.java
@@ -48,7 +48,6 @@
 import org.onosproject.store.service.MapEventListener;
 import org.onosproject.store.service.Serializer;
 import org.onosproject.store.service.StorageService;
-import org.onosproject.store.service.WallClockTimestamp;
 import org.slf4j.Logger;
 
 import java.util.Collection;
@@ -88,8 +87,7 @@
     @Activate
     public void activate() {
         KryoNamespace.Builder hostSerializer = KryoNamespace.newBuilder()
-                .register(KryoNamespaces.API)
-                .register(WallClockTimestamp.class);
+                .register(KryoNamespaces.API);
 
         hostsConsistentMap = storageService.<HostId, DefaultHost>consistentMapBuilder()
                 .withName("onos-hosts")
@@ -124,9 +122,7 @@
         if (!Objects.equals(existingHost.providerId(), providerId) ||
                 !Objects.equals(existingHost.mac(), hostDescription.hwAddress()) ||
                 !Objects.equals(existingHost.vlan(), hostDescription.vlan()) ||
-                !Objects.equals(existingHost.location(), hostDescription.location()) ||
-                hostDescription.timestamp() == null ||
-                hostDescription.timestamp().isNewerThan(existingHost.timestamp())) {
+                !Objects.equals(existingHost.location(), hostDescription.location())) {
             return true;
         }
 
@@ -177,13 +173,13 @@
                            } else {
                                annotations = hostDescription.annotations();
                            }
+
                            return new DefaultHost(providerId,
                                                   hostId,
                                                   hostDescription.hwAddress(),
                                                   hostDescription.vlan(),
                                                   location,
                                                   addresses,
-                                                  hostDescription.timestamp(),
                                                   annotations);
                        });
         return null;
@@ -306,4 +302,3 @@
         }
     }
 }
-
diff --git a/providers/host/src/main/java/org/onosproject/provider/host/impl/HostLocationProvider.java b/providers/host/src/main/java/org/onosproject/provider/host/impl/HostLocationProvider.java
index 3dffa9f..46b7d88 100644
--- a/providers/host/src/main/java/org/onosproject/provider/host/impl/HostLocationProvider.java
+++ b/providers/host/src/main/java/org/onosproject/provider/host/impl/HostLocationProvider.java
@@ -44,22 +44,17 @@
 import org.onosproject.net.Host;
 import org.onosproject.net.HostId;
 import org.onosproject.net.HostLocation;
-import org.onosproject.net.MastershipRole;
 import org.onosproject.net.device.DeviceEvent;
 import org.onosproject.net.device.DeviceListener;
 import org.onosproject.net.device.DeviceService;
 import org.onosproject.net.flow.DefaultTrafficSelector;
-import org.onosproject.net.flow.DefaultTrafficTreatment;
 import org.onosproject.net.flow.TrafficSelector;
-import org.onosproject.net.flow.TrafficTreatment;
 import org.onosproject.net.host.DefaultHostDescription;
 import org.onosproject.net.host.HostDescription;
 import org.onosproject.net.host.HostProvider;
 import org.onosproject.net.host.HostProviderRegistry;
 import org.onosproject.net.host.HostProviderService;
 import org.onosproject.net.host.HostService;
-import org.onosproject.net.packet.DefaultOutboundPacket;
-import org.onosproject.net.packet.OutboundPacket;
 import org.onosproject.net.packet.PacketContext;
 import org.onosproject.net.packet.PacketPriority;
 import org.onosproject.net.packet.PacketProcessor;
@@ -71,7 +66,6 @@
 import org.osgi.service.component.ComponentContext;
 import org.slf4j.Logger;
 
-import java.nio.ByteBuffer;
 import java.util.Dictionary;
 import java.util.Set;
 import java.util.concurrent.ExecutorService;
@@ -132,8 +126,6 @@
 
     protected ExecutorService eventHandler;
 
-    private static final byte[] SENDER_ADDRESS = IpAddress.valueOf("0.0.0.0").toOctets();
-
     /**
      * Creates an OpenFlow host provider.
      */
@@ -269,60 +261,7 @@
 
     @Override
     public void triggerProbe(Host host) {
-        log.info("Triggering probe on device {} ", host);
-        MastershipRole role = deviceService.getRole(host.location().deviceId());
-        if (role.equals(MastershipRole.MASTER)) {
-            host.ipAddresses().forEach(ip -> {
-                sendProbe(host, ip);
-            });
-        } else {
-            log.info("not the master, master will probe {}");
-        }
-    }
-
-    private void sendProbe(Host host, IpAddress targetIp) {
-        Ethernet probePacket = null;
-        if (targetIp.isIp4()) {
-            // IPv4: Use ARP
-            probePacket = buildArpRequest(targetIp, host);
-        } else {
-            // IPv6: Use Neighbor Discovery
-            //FIX ME need to implement ndp probe
-            log.info("Triggering probe on device {} ", host);
-        }
-
-        TrafficTreatment treatment = DefaultTrafficTreatment.builder().setOutput(host.location().port()).build();
-
-        OutboundPacket outboundPacket = new DefaultOutboundPacket(host.location().deviceId(), treatment,
-                ByteBuffer.wrap(probePacket.serialize()));
-
-        packetService.emit(outboundPacket);
-    }
-
-    /*
-     * This method is using source ip as 0.0.0.0 , to receive the reply even from the sub net hosts.
-     */
-    private Ethernet buildArpRequest(IpAddress targetIp, Host host) {
-
-        ARP arp = new ARP();
-        arp.setHardwareType(ARP.HW_TYPE_ETHERNET)
-           .setHardwareAddressLength((byte) Ethernet.DATALAYER_ADDRESS_LENGTH)
-           .setProtocolType(ARP.PROTO_TYPE_IP)
-           .setProtocolAddressLength((byte) IpAddress.INET_BYTE_LENGTH)
-           .setOpCode(ARP.OP_REQUEST);
-
-        arp.setSenderHardwareAddress(MacAddress.BROADCAST.toBytes())
-                .setSenderProtocolAddress(SENDER_ADDRESS)
-                .setTargetHardwareAddress(MacAddress.BROADCAST.toBytes())
-                .setTargetProtocolAddress(targetIp.toOctets());
-
-        Ethernet ethernet = new Ethernet();
-        ethernet.setEtherType(Ethernet.TYPE_ARP)
-                .setDestinationMACAddress(MacAddress.BROADCAST)
-                .setSourceMACAddress(MacAddress.BROADCAST).setPayload(arp);
-
-        ethernet.setPad(true);
-        return ethernet;
+        log.info("Triggering probe on device {}", host);
     }
 
     private class InternalHostProvider implements PacketProcessor {
@@ -510,4 +449,3 @@
     }
 
 }
-
diff --git a/utils/misc/src/main/java/org/onlab/util/Tools.java b/utils/misc/src/main/java/org/onlab/util/Tools.java
index 81c9bce..73d2a36 100644
--- a/utils/misc/src/main/java/org/onlab/util/Tools.java
+++ b/utils/misc/src/main/java/org/onlab/util/Tools.java
@@ -348,26 +348,6 @@
     }
 
     /**
-     * Get Long property from the propertyName
-     * Return null if propertyName is not found.
-     *
-     * @param properties   properties to be looked up
-     * @param propertyName the name of the property to look up
-     * @return value when the propertyName is defined or return null
-     */
-    public static Long getLongProperty(Dictionary<?, ?> properties,
-                                             String propertyName) {
-        Long value;
-        try {
-            String s = get(properties, propertyName);
-            value = Strings.isNullOrEmpty(s) ? null : Long.valueOf(s);
-        } catch (NumberFormatException | ClassCastException e) {
-            value = null;
-        }
-        return value;
-    }
-
-    /**
      * Suspends the current thread for a specified number of millis.
      *
      * @param ms number of millis
diff --git a/web/api/src/test/java/org/onosproject/rest/resources/HostResourceTest.java b/web/api/src/test/java/org/onosproject/rest/resources/HostResourceTest.java
index 072ca33..1f992c9 100644
--- a/web/api/src/test/java/org/onosproject/rest/resources/HostResourceTest.java
+++ b/web/api/src/test/java/org/onosproject/rest/resources/HostResourceTest.java
@@ -198,7 +198,7 @@
         @Override
         public boolean matchesSafely(JsonArray json) {
             boolean hostFound = false;
-            final int expectedAttributes = 6;
+            final int expectedAttributes = 5;
             for (int jsonHostIndex = 0; jsonHostIndex < json.size();
                  jsonHostIndex++) {