Cleaned-up CLI commands.
diff --git a/cli/src/main/java/org/onlab/onos/cli/net/DevicePortsListCommand.java b/cli/src/main/java/org/onlab/onos/cli/net/DevicePortsListCommand.java
index e62fe56..1382896 100644
--- a/cli/src/main/java/org/onlab/onos/cli/net/DevicePortsListCommand.java
+++ b/cli/src/main/java/org/onlab/onos/cli/net/DevicePortsListCommand.java
@@ -8,7 +8,6 @@
 
 import java.util.ArrayList;
 import java.util.Collections;
-import java.util.Comparator;
 import java.util.List;
 
 import static org.onlab.onos.net.DeviceId.deviceId;
@@ -26,14 +25,6 @@
               required = false, multiValued = false)
     String uri = null;
 
-    private static final Comparator<Port> PORT_COMPARATOR = new Comparator<Port>() {
-        @Override
-        public int compare(Port p1, Port p2) {
-            long delta = p1.number().toLong() - p2.number().toLong();
-            return delta == 0 ? 0 : (delta < 0 ? -1 : +1);
-        }
-    };
-
     @Override
     protected void execute() {
         DeviceService service = get(DeviceService.class);
@@ -55,7 +46,7 @@
     protected void printDevice(DeviceService service, Device device) {
         super.printDevice(service, device);
         List<Port> ports = new ArrayList<>(service.getPorts(device.id()));
-        Collections.sort(ports, PORT_COMPARATOR);
+        Collections.sort(ports, Comparators.PORT_COMPARATOR);
         for (Port port : ports) {
             print(FMT, port.number(), port.isEnabled() ? "enabled" : "disabled");
         }