diff --git a/core/api/src/main/java/org/onlab/onos/net/DefaultPort.java b/core/api/src/main/java/org/onlab/onos/net/DefaultPort.java
index d07def8..534cbe4 100644
--- a/core/api/src/main/java/org/onlab/onos/net/DefaultPort.java
+++ b/core/api/src/main/java/org/onlab/onos/net/DefaultPort.java
@@ -2,13 +2,7 @@
 
 import static com.google.common.base.MoreObjects.toStringHelper;
 
-import java.util.Collections;
 import java.util.Objects;
-import java.util.Set;
-
-import org.onlab.packet.IpPrefix;
-
-import com.google.common.collect.ImmutableSet;
 
 /**
  * Default port implementation.
@@ -19,36 +13,18 @@
     private final PortNumber number;
     private final boolean isEnabled;
 
-    // Attributes
-    private final Set<IpPrefix> ipAddresses;
-
-    /**
-     * Creates a network element attributed to the specified provider.
-     *
-     * @param element   parent network element
-     * @param number    port number
-     * @param isEnabled indicator whether the port is up and active
-     */
-    public DefaultPort(Element element, PortNumber number,
-                       boolean isEnabled) {
-        this(element, number, isEnabled, null);
-    }
-
     /**
      * Creates a network element attributed to the specified provider.
      *
      * @param element     parent network element
      * @param number      port number
      * @param isEnabled   indicator whether the port is up and active
-     * @param ipAddresses set of IP addresses assigned to the port
      */
     public DefaultPort(Element element, PortNumber number,
-                       boolean isEnabled, Set<IpPrefix> ipAddresses) {
+                       boolean isEnabled) {
         this.element = element;
         this.number = number;
         this.isEnabled = isEnabled;
-        this.ipAddresses = (ipAddresses == null) ? Collections.<IpPrefix>emptySet() :
-            ImmutableSet.copyOf(ipAddresses);
     }
 
     @Override
@@ -94,9 +70,4 @@
         return element;
     }
 
-    @Override
-    public Set<IpPrefix> ipAddresses() {
-        return ipAddresses;
-    }
-
 }
diff --git a/core/api/src/main/java/org/onlab/onos/net/Port.java b/core/api/src/main/java/org/onlab/onos/net/Port.java
index 45b816b..2ebbd15 100644
--- a/core/api/src/main/java/org/onlab/onos/net/Port.java
+++ b/core/api/src/main/java/org/onlab/onos/net/Port.java
@@ -1,8 +1,5 @@
 package org.onlab.onos.net;
 
-import java.util.Set;
-
-import org.onlab.packet.IpPrefix;
 
 /**
  * Abstraction of a network port.
@@ -32,12 +29,4 @@
 
     // set of port attributes
 
-    /**
-     * Returns the set of IP addresses that are logically configured on this
-     * port.
-     *
-     * @return the set of IP addresses configured on the port. The set is empty
-     * if no addresses are configured.
-     */
-    Set<IpPrefix> ipAddresses();
 }
diff --git a/core/net/src/main/java/org/onlab/onos/net/host/impl/HostMonitor.java b/core/net/src/main/java/org/onlab/onos/net/host/impl/HostMonitor.java
index 551dec6..ecdb177 100644
--- a/core/net/src/main/java/org/onlab/onos/net/host/impl/HostMonitor.java
+++ b/core/net/src/main/java/org/onlab/onos/net/host/impl/HostMonitor.java
@@ -6,7 +6,6 @@
 
 import org.jboss.netty.util.Timeout;
 import org.jboss.netty.util.TimerTask;
-import org.onlab.onos.net.Device;
 import org.onlab.onos.net.Host;
 import org.onlab.onos.net.Port;
 import org.onlab.onos.net.device.DeviceService;
@@ -89,7 +88,7 @@
         // else (ip isn't in any configured subnet)
         //   send out all non-external edge ports
 
-        for (Device device : deviceService.getDevices()) {
+        /*for (Device device : deviceService.getDevices()) {
             for (Port port : deviceService.getPorts(device.id())) {
                 for (IpPrefix ip : port.ipAddresses()) {
                     if (ip.contains(targetIp)) {
@@ -98,7 +97,7 @@
                     }
                 }
             }
-        }
+        }*/
 
     }
 
diff --git a/core/store/src/main/java/org/onlab/onos/store/serializers/DefaultPortSerializer.java b/core/store/src/main/java/org/onlab/onos/store/serializers/DefaultPortSerializer.java
index 5b362ad..836adea 100644
--- a/core/store/src/main/java/org/onlab/onos/store/serializers/DefaultPortSerializer.java
+++ b/core/store/src/main/java/org/onlab/onos/store/serializers/DefaultPortSerializer.java
@@ -1,19 +1,13 @@
 package org.onlab.onos.store.serializers;
 
-import java.util.ArrayList;
-import java.util.Collection;
-
 import org.onlab.onos.net.DefaultPort;
 import org.onlab.onos.net.Element;
 import org.onlab.onos.net.PortNumber;
-import org.onlab.packet.IpPrefix;
 
 import com.esotericsoftware.kryo.Kryo;
 import com.esotericsoftware.kryo.Serializer;
 import com.esotericsoftware.kryo.io.Input;
 import com.esotericsoftware.kryo.io.Output;
-import com.esotericsoftware.kryo.serializers.CollectionSerializer;
-import com.google.common.collect.ImmutableSet;
 
 // TODO move to util, etc.
 /**
@@ -22,10 +16,6 @@
 public final class DefaultPortSerializer extends
         Serializer<DefaultPort> {
 
-    private final CollectionSerializer ipAddrSerializer
-        = new CollectionSerializer(IpPrefix.class,
-                            new IpPrefixSerializer(), false);
-
     /**
      * Default constructor.
      */
@@ -39,8 +29,6 @@
         kryo.writeClassAndObject(output, object.element());
         kryo.writeObject(output, object.number());
         output.writeBoolean(object.isEnabled());
-        kryo.writeObject(output, object.ipAddresses(),
-                ipAddrSerializer);
     }
 
     @Override
@@ -49,11 +37,7 @@
         Element element = (Element) kryo.readClassAndObject(input);
         PortNumber number = kryo.readObject(input, PortNumber.class);
         boolean isEnabled = input.readBoolean();
-        @SuppressWarnings("unchecked")
-        Collection<IpPrefix> ipAddresses = kryo.readObject(
-                    input, ArrayList.class, ipAddrSerializer);
 
-        return new DefaultPort(element, number, isEnabled,
-                            ImmutableSet.copyOf(ipAddresses));
+        return new DefaultPort(element, number, isEnabled);
     }
 }