diff --git a/src/main/java/net/floodlightcontroller/core/internal/OFMessageEncoder.java b/src/main/java/net/floodlightcontroller/core/internal/OFMessageEncoder.java
index d61f17e..29916c8 100644
--- a/src/main/java/net/floodlightcontroller/core/internal/OFMessageEncoder.java
+++ b/src/main/java/net/floodlightcontroller/core/internal/OFMessageEncoder.java
@@ -48,7 +48,7 @@
         }
 
         ChannelBuffer buf = ChannelBuffers.buffer(size);
-        ;
+
         for (OFMessage ofm : msglist) {
             ofm.writeTo(buf);
         }
diff --git a/src/main/java/org/openflow/protocol/OFMessage.java b/src/main/java/org/openflow/protocol/OFMessage.java
index 237e8ac..578e95b 100644
--- a/src/main/java/org/openflow/protocol/OFMessage.java
+++ b/src/main/java/org/openflow/protocol/OFMessage.java
@@ -58,7 +58,7 @@
     
     protected synchronized ConcurrentHashMap<String, Object> getMessageStore() {
         if (storage == null) {
-            storage = new ConcurrentHashMap<String, Object>();;
+            storage = new ConcurrentHashMap<String, Object>();
         }
         return storage;
     }
diff --git a/src/test/java/net/onrc/onos/core/packet/PacketTest.java b/src/test/java/net/onrc/onos/core/packet/PacketTest.java
index 3e872da..4bc893a 100644
--- a/src/test/java/net/onrc/onos/core/packet/PacketTest.java
+++ b/src/test/java/net/onrc/onos/core/packet/PacketTest.java
@@ -1,8 +1,7 @@
 package net.onrc.onos.core.packet;
 
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertNotSame;
-import static org.junit.Assert.assertSame;
+import static org.junit.Assert.*;
+import static org.hamcrest.Matchers.*;
 
 import org.junit.Before;
 import org.junit.Test;
@@ -110,8 +109,8 @@
             ARP arp = (ARP) pkt;
             ARP newArp = (ARP) newPkt;
             newArp.setSenderProtocolAddress(new byte[]{1, 2, 3, 4});
-            assertEquals(false, newArp.getSenderProtocolAddress()
-                    .equals(arp.getSenderProtocolAddress()));
+            assertThat(newArp.getSenderProtocolAddress(),
+                    not(equalTo(arp.getSenderProtocolAddress())));
             assertEquals(false, newPkt.equals(pkt));
         }