diff --git a/src/main/java/net/onrc/onos/core/flowprogrammer/FlowSynchronizer.java b/src/main/java/net/onrc/onos/core/flowprogrammer/FlowSynchronizer.java
index 52eeff2..25fe608 100644
--- a/src/main/java/net/onrc/onos/core/flowprogrammer/FlowSynchronizer.java
+++ b/src/main/java/net/onrc/onos/core/flowprogrammer/FlowSynchronizer.java
@@ -12,6 +12,11 @@
 import java.util.concurrent.Future;
 import java.util.concurrent.FutureTask;
 
+import net.floodlightcontroller.core.IOFSwitch;
+import net.onrc.onos.core.flowprogrammer.IFlowPusherService.MsgPriority;
+import net.onrc.onos.core.util.Dpid;
+import net.onrc.onos.core.util.FlowEntryId;
+
 import org.openflow.protocol.OFFlowMod;
 import org.openflow.protocol.OFMatch;
 import org.openflow.protocol.OFPort;
@@ -23,12 +28,6 @@
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import net.floodlightcontroller.core.IOFSwitch;
-import net.onrc.onos.core.flowprogrammer.IFlowPusherService.MsgPriority;
-import net.onrc.onos.core.util.Dpid;
-import net.onrc.onos.core.util.FlowEntry;
-import net.onrc.onos.core.util.FlowEntryId;
-
 /**
  * FlowSynchronizer is an implementation of FlowSyncService.
  * In addition to IFlowSyncService, FlowSynchronizer periodically reads flow