diff --git a/providers/openflow/device/src/main/java/org/onosproject/provider/of/device/impl/OpenFlowDeviceProvider.java b/providers/openflow/device/src/main/java/org/onosproject/provider/of/device/impl/OpenFlowDeviceProvider.java
index bdff790..d92d540 100644
--- a/providers/openflow/device/src/main/java/org/onosproject/provider/of/device/impl/OpenFlowDeviceProvider.java
+++ b/providers/openflow/device/src/main/java/org/onosproject/provider/of/device/impl/OpenFlowDeviceProvider.java
@@ -15,10 +15,24 @@
  */
 package org.onosproject.provider.of.device.impl;
 
-import com.google.common.base.Strings;
-import com.google.common.collect.Lists;
-import com.google.common.collect.Maps;
-import com.google.common.collect.Sets;
+import static com.google.common.base.Preconditions.checkArgument;
+import static com.google.common.base.Strings.isNullOrEmpty;
+import static org.onlab.util.Tools.get;
+import static org.onosproject.net.DeviceId.deviceId;
+import static org.onosproject.net.Port.Type.COPPER;
+import static org.onosproject.net.Port.Type.FIBER;
+import static org.onosproject.net.optical.device.OchPortHelper.ochPortDescription;
+import static org.onosproject.openflow.controller.Dpid.dpid;
+import static org.onosproject.openflow.controller.Dpid.uri;
+import static org.slf4j.LoggerFactory.getLogger;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.Collections;
+import java.util.Dictionary;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.List;
 
 import org.apache.felix.scr.annotations.Activate;
 import org.apache.felix.scr.annotations.Component;
@@ -52,7 +66,6 @@
 import org.onosproject.net.device.DeviceProvider;
 import org.onosproject.net.device.DeviceProviderRegistry;
 import org.onosproject.net.device.DeviceProviderService;
-import org.onosproject.net.device.OchPortDescription;
 import org.onosproject.net.device.OduCltPortDescription;
 import org.onosproject.net.device.OmsPortDescription;
 import org.onosproject.net.device.OtuPortDescription;
@@ -101,23 +114,10 @@
 import org.projectfloodlight.openflow.types.PortSpeed;
 import org.slf4j.Logger;
 
-import java.util.ArrayList;
-import java.util.Collection;
-import java.util.Collections;
-import java.util.Dictionary;
-import java.util.HashMap;
-import java.util.HashSet;
-import java.util.List;
-
-import static com.google.common.base.Preconditions.checkArgument;
-import static com.google.common.base.Strings.isNullOrEmpty;
-import static org.onlab.util.Tools.get;
-import static org.onosproject.net.DeviceId.deviceId;
-import static org.onosproject.net.Port.Type.COPPER;
-import static org.onosproject.net.Port.Type.FIBER;
-import static org.onosproject.openflow.controller.Dpid.dpid;
-import static org.onosproject.openflow.controller.Dpid.uri;
-import static org.slf4j.LoggerFactory.getLogger;
+import com.google.common.base.Strings;
+import com.google.common.collect.Lists;
+import com.google.common.collect.Maps;
+import com.google.common.collect.Sets;
 
 /**
  * Provider which uses an OpenFlow controller to detect network
@@ -579,7 +579,7 @@
             OFExpPortDescPropOpticalTransport firstProp = port.getProperties().get(0);
             OFPortOpticalTransportSignalType sigType = firstProp.getPortSignalType();
 
-            DefaultPortDescription portDes = null;
+            PortDescription portDes = null;
             switch (sigType) {
             case OMSN:
                 portDes =  new OmsPortDescription(portNo, enabled,
@@ -600,8 +600,9 @@
                 //yet not relevant for tunable OCH port, creating with default parameters
                 OchSignal signalId = new OchSignal(GridType.DWDM, ChannelSpacing.CHL_50GHZ, 1, 1);
 
-                portDes = new OchPortDescription(portNo, enabled,
-                        oduSignalType, true, signalId, annotations);
+                portDes = ochPortDescription(portNo, enabled,
+                                             oduSignalType, true,
+                                             signalId, annotations);
 
                 break;
             case OTU2:
@@ -706,7 +707,7 @@
                             Spectrum.U_BAND_MIN, Spectrum.O_BAND_MAX, Frequency.ofGHz(50), annotations);
                 case 5:     // OCH port
                     OchSignal signal = new OchSignal(GridType.DWDM, ChannelSpacing.CHL_50GHZ, 0, 4);
-                    return new OchPortDescription(portNo, enabled, OduSignalType.ODU4,
+                    return ochPortDescription(portNo, enabled, OduSignalType.ODU4,
                             true, signal, annotations);
                 default:
                     break;