diff --git a/src/main/java/net/onrc/onos/graph/DBOperation.java b/src/main/java/net/onrc/onos/graph/DBOperation.java
index fdb6e38..f9b0e9f 100644
--- a/src/main/java/net/onrc/onos/graph/DBOperation.java
+++ b/src/main/java/net/onrc/onos/graph/DBOperation.java
@@ -43,7 +43,6 @@
 
     @Override
     public ISwitchObject newSwitch(final String dpid) {
-	System.out.println("newSwitch: " + conn.getFramedGraph());
         ISwitchObject obj = (ISwitchObject) conn.getFramedGraph().addVertex(null, ISwitchObject.class);
         if (obj != null) {
             obj.setType("switch");
@@ -85,7 +84,6 @@
 
     @Override
     public IPortObject newPort(String dpid, Short portNum) {
-	System.out.println("newPort: " + conn.getFramedGraph());
         IPortObject obj = (IPortObject) conn.getFramedGraph().addVertex(null, IPortObject.class);
         if (obj != null) {
             obj.setType("port");
@@ -95,6 +93,21 @@
         }
         return obj;
     }
+    
+    /**
+     * Create a port having specified port number.
+     *
+     * @param portNumber port number
+     */
+    @Deprecated
+    public IPortObject newPort(Short portNumber) {
+        IPortObject obj = (IPortObject) conn.getFramedGraph().addVertex(null, IPortObject.class);
+        if (obj != null) {
+            obj.setType("port");
+            obj.setNumber(portNumber);
+        }
+        return obj;
+    }
 
     public IPortObject searchPort(String dpid, Short number, final FramedGraph fg) {
         String id = dpid + number.toString();
@@ -105,7 +118,6 @@
 
     @Override
     public IDeviceObject newDevice() {
-	System.out.println("newDevice: " + conn.getFramedGraph());
         IDeviceObject obj = (IDeviceObject) conn.getFramedGraph().addVertex(null, IDeviceObject.class);
         if (obj != null) {
             obj.setType("device");
@@ -113,6 +125,10 @@
         return obj;
     }
 
+    /**
+     * Create and return a flow path object.
+     */
+    
     @Override
     public IFlowPath newFlowPath() {
         IFlowPath flowPath = (IFlowPath)conn.getFramedGraph().addVertex(null, IFlowPath.class);
@@ -180,8 +196,9 @@
         return nonNullFlows;
     }
     
-    protected IFlowEntry newFlowEntry(final FramedGraph fg) {
-        IFlowEntry flowEntry = (IFlowEntry) fg.addVertex(null, IFlowEntry.class);
+    @Override
+    public IFlowEntry newFlowEntry() {
+        IFlowEntry flowEntry = (IFlowEntry) conn.getFramedGraph().addVertex(null, IFlowEntry.class);
         if (flowEntry != null) {
             flowEntry.setType("flow_entry");
         }
diff --git a/src/main/java/net/onrc/onos/graph/RamCloudDBOperation.java b/src/main/java/net/onrc/onos/graph/RamCloudDBOperation.java
index 2f974cc..9aa038a 100644
--- a/src/main/java/net/onrc/onos/graph/RamCloudDBOperation.java
+++ b/src/main/java/net/onrc/onos/graph/RamCloudDBOperation.java
@@ -45,17 +45,6 @@
     }
 
     @Override
-    public IPortObject newPort(Short portNumber) {
-        final FramedGraph<RamCloudGraph> fg = conn.getFramedGraph();
-        IPortObject obj = fg.addVertex(null, IPortObject.class);
-        if (obj != null) {
-            obj.setType("port");
-            obj.setNumber(portNumber);
-        }
-        return obj;
-    }
-
-    @Override
     public IPortObject searchPort(String dpid, Short number) {
         final FramedGraph<RamCloudGraph> fg = conn.getFramedGraph();
         return searchPort(dpid, number, fg);
@@ -109,12 +98,6 @@
     }
 
     @Override
-    public IFlowEntry newFlowEntry() {
-        FramedGraph<RamCloudGraph> fg = conn.getFramedGraph();
-        return newFlowEntry(fg);
-    }
-
-    @Override
     public IFlowEntry searchFlowEntry(FlowEntryId flowEntryId) {
         FramedGraph<RamCloudGraph> fg = conn.getFramedGraph();
 
diff --git a/src/main/java/net/onrc/onos/graph/TitanDBOperation.java b/src/main/java/net/onrc/onos/graph/TitanDBOperation.java
index aa42bfd..02b8052 100644
--- a/src/main/java/net/onrc/onos/graph/TitanDBOperation.java
+++ b/src/main/java/net/onrc/onos/graph/TitanDBOperation.java
@@ -79,16 +79,6 @@
         }
     }
 	
-	/**
-         * Create and return a flow path object.
-         */
-        public IFlowPath newFlowPath() {
-                FramedGraph<TitanGraph> fg = conn.getFramedGraph();
-                IFlowPath flowPath = fg.addVertex(null, IFlowPath.class);
-                if (flowPath != null) flowPath.setType("flow");
-                return flowPath;
-        }
-	
     @Override
     public IFlowPath searchFlowPath(FlowId flowId) {
         FramedGraph<TitanGraph> fg = conn.getFramedGraph();
@@ -109,12 +99,6 @@
     }
 
     @Override
-    public IFlowEntry newFlowEntry() {
-        FramedGraph<TitanGraph> fg = conn.getFramedGraph();
-        return newFlowEntry(fg);
-    }
-
-    @Override
     public IFlowEntry searchFlowEntry(FlowEntryId flowEntryId) {
         FramedGraph<TitanGraph> fg = conn.getFramedGraph();
 
@@ -156,20 +140,4 @@
     public void close() {
         conn.close();
     }
-
-    /**
-     * Create a port having specified port number.
-     *
-     * @param portNumber port number
-     */
-    @Deprecated
-    public IPortObject newPort(Short portNumber) {
-        FramedGraph<TitanGraph> fg = conn.getFramedGraph();
-        IPortObject obj = fg.addVertex(null, IPortObject.class);
-        if (obj != null) {
-            obj.setType("port");
-            obj.setNumber(portNumber);
-        }
-        return obj;
-    }
 }
\ No newline at end of file