diff --git a/core/trivial/src/main/java/org/onlab/onos/net/trivial/host/impl/SimpleHostManager.java b/core/trivial/src/main/java/org/onlab/onos/net/trivial/host/impl/SimpleHostManager.java
index 109d238..5aae395 100644
--- a/core/trivial/src/main/java/org/onlab/onos/net/trivial/host/impl/SimpleHostManager.java
+++ b/core/trivial/src/main/java/org/onlab/onos/net/trivial/host/impl/SimpleHostManager.java
@@ -1,5 +1,10 @@
 package org.onlab.onos.net.trivial.host.impl;
 
+import static com.google.common.base.Preconditions.checkNotNull;
+import static org.slf4j.LoggerFactory.getLogger;
+
+import java.util.Set;
+
 import org.apache.felix.scr.annotations.Activate;
 import org.apache.felix.scr.annotations.Component;
 import org.apache.felix.scr.annotations.Deactivate;
@@ -28,11 +33,6 @@
 import org.onlab.packet.VlanId;
 import org.slf4j.Logger;
 
-import java.util.Set;
-
-import static com.google.common.base.Preconditions.checkNotNull;
-import static org.slf4j.LoggerFactory.getLogger;
-
 /**
  * Provides basic implementation of the host SB &amp; NB APIs.
  */
@@ -118,6 +118,16 @@
     }
 
     @Override
+    public void monitorIp(IpPrefix ip) {
+        // TODO pass through to SimpleHostMonitor
+    }
+
+    @Override
+    public void stopMonitoringIp(IpPrefix ip) {
+        // TODO pass through to SimpleHostMonitor
+    }
+
+    @Override
     public void addListener(HostListener listener) {
         listenerRegistry.addListener(listener);
     }