diff --git a/protocols/openflow/api/src/main/java/org/onosproject/openflow/controller/OpenFlowOpticalSwitch.java b/protocols/openflow/api/src/main/java/org/onosproject/openflow/controller/OpenFlowOpticalSwitch.java
index eac7dc2..d3b11bb 100644
--- a/protocols/openflow/api/src/main/java/org/onosproject/openflow/controller/OpenFlowOpticalSwitch.java
+++ b/protocols/openflow/api/src/main/java/org/onosproject/openflow/controller/OpenFlowOpticalSwitch.java
@@ -31,7 +31,7 @@
 public interface OpenFlowOpticalSwitch extends OpenFlowSwitch, WithTypedPorts {
 
     // OpenFlowOpticalSwitch only returns Ethernet ports.
-    // This is a limitation due to issue described in ONOS-3796.
+    // This is a limitation due to issue described in ONOS-3736.
     // This method should return all port type once the limitation is fixed.
     /**
      * Returns a list of standard (Ethernet) ports.
@@ -40,7 +40,7 @@
      */
     @Beta
     @Override
-    abstract List<OFPortDesc> getPorts();
+    List<OFPortDesc> getPorts();
 
     /**
      * Returns updated PortDescriptions built from experimenter message