diff --git a/src/main/java/net/floodlightcontroller/devicemanager/internal/DeviceManagerImpl.java b/src/main/java/net/floodlightcontroller/devicemanager/internal/DeviceManagerImpl.java
index 465f26d08e756d53717d0e47b90109ca902551e6..a678e1e5a2f2739b16372c588c8433961bcd2550 100755
--- a/src/main/java/net/floodlightcontroller/devicemanager/internal/DeviceManagerImpl.java
+++ b/src/main/java/net/floodlightcontroller/devicemanager/internal/DeviceManagerImpl.java
@@ -100,7 +100,6 @@ import org.openflow.protocol.OFMessage;
 import org.openflow.protocol.OFPacketIn;
 import org.openflow.protocol.OFPort;
 import org.openflow.protocol.OFType;
-import org.openflow.util.HexString;
 import org.sdnplatform.sync.IClosableIterator;
 import org.sdnplatform.sync.IStoreClient;
 import org.sdnplatform.sync.ISyncService;