diff --git a/src/main/java/org/jboss/netty/channel/DefaultChannelConfig.java b/src/main/java/org/jboss/netty/channel/DefaultChannelConfig.java
index 3ec8079908..266d052644 100644
--- a/src/main/java/org/jboss/netty/channel/DefaultChannelConfig.java
+++ b/src/main/java/org/jboss/netty/channel/DefaultChannelConfig.java
@@ -37,13 +37,6 @@ public class DefaultChannelConfig implements ChannelConfig {
     private volatile ChannelBufferFactory bufferFactory = HeapChannelBufferFactory.getInstance();
     private volatile int connectTimeoutMillis = 10000; // 10 seconds
 
-    /**
-     * Creates a new instance.
-     */
-    public DefaultChannelConfig() {
-        super();
-    }
-
     @Override
     public void setOptions(Map<String, Object> options) {
         for (Entry<String, Object> e: options.entrySet()) {
diff --git a/src/main/java/org/jboss/netty/channel/DefaultChannelPipeline.java b/src/main/java/org/jboss/netty/channel/DefaultChannelPipeline.java
index 5da1b888f4..bc6d391ea5 100644
--- a/src/main/java/org/jboss/netty/channel/DefaultChannelPipeline.java
+++ b/src/main/java/org/jboss/netty/channel/DefaultChannelPipeline.java
@@ -48,13 +48,6 @@ public class DefaultChannelPipeline implements ChannelPipeline {
     private final Map<String, DefaultChannelHandlerContext> name2ctx =
         new HashMap<String, DefaultChannelHandlerContext>(4);
 
-    /**
-     * Creates a new empty pipeline.
-     */
-    public DefaultChannelPipeline() {
-        super();
-    }
-
     @Override
     public Channel getChannel() {
         return channel;
diff --git a/src/main/java/org/jboss/netty/channel/DefaultServerChannelConfig.java b/src/main/java/org/jboss/netty/channel/DefaultServerChannelConfig.java
index ed1fe78a40..21478afbe1 100644
--- a/src/main/java/org/jboss/netty/channel/DefaultServerChannelConfig.java
+++ b/src/main/java/org/jboss/netty/channel/DefaultServerChannelConfig.java
@@ -35,13 +35,6 @@ public class DefaultServerChannelConfig implements ChannelConfig {
     private volatile ChannelPipelineFactory pipelineFactory;
     private volatile ChannelBufferFactory bufferFactory = HeapChannelBufferFactory.getInstance();
 
-    /**
-     * Creates a new instance.
-     */
-    public DefaultServerChannelConfig() {
-        super();
-    }
-
     @Override
     public void setOptions(Map<String, Object> options) {
         for (Entry<String, Object> e: options.entrySet()) {
diff --git a/src/main/java/org/jboss/netty/channel/iostream/IOStreamChannelSink.java b/src/main/java/org/jboss/netty/channel/iostream/IOStreamChannelSink.java
index f14804d5bc..a7599f9455 100755
--- a/src/main/java/org/jboss/netty/channel/iostream/IOStreamChannelSink.java
+++ b/src/main/java/org/jboss/netty/channel/iostream/IOStreamChannelSink.java
@@ -115,7 +115,7 @@ public class IOStreamChannelSink extends AbstractChannelSink {
 
     private PushbackInputStream inputStream;
 
-    private ChannelConfig config = new DefaultChannelConfig();
+    private final ChannelConfig config = new DefaultChannelConfig();
 
     @Override
     public void eventSunk(final ChannelPipeline pipeline, final ChannelEvent e) throws Exception {
diff --git a/src/main/java/org/jboss/netty/channel/local/DefaultLocalServerChannelFactory.java b/src/main/java/org/jboss/netty/channel/local/DefaultLocalServerChannelFactory.java
index 496ba29f81..34f465c272 100644
--- a/src/main/java/org/jboss/netty/channel/local/DefaultLocalServerChannelFactory.java
+++ b/src/main/java/org/jboss/netty/channel/local/DefaultLocalServerChannelFactory.java
@@ -32,13 +32,6 @@ public class DefaultLocalServerChannelFactory implements LocalServerChannelFacto
 
     private final ChannelSink sink = new LocalServerChannelSink();
 
-    /**
-     * Creates a new instance.
-     */
-    public DefaultLocalServerChannelFactory() {
-        super();
-    }
-
     @Override
     public LocalServerChannel newChannel(ChannelPipeline pipeline) {
         return DefaultLocalServerChannel.create(this, pipeline, sink);
diff --git a/src/main/java/org/jboss/netty/channel/rxtx/RXTXChannelConfig.java b/src/main/java/org/jboss/netty/channel/rxtx/RXTXChannelConfig.java
index d8bcadc200..6efe0c5e8f 100644
--- a/src/main/java/org/jboss/netty/channel/rxtx/RXTXChannelConfig.java
+++ b/src/main/java/org/jboss/netty/channel/rxtx/RXTXChannelConfig.java
@@ -34,7 +34,7 @@ public class RXTXChannelConfig extends DefaultChannelConfig {
         STOPBITS_2(SerialPort.STOPBITS_2),
         STOPBITS_1_5(SerialPort.STOPBITS_1_5);
 
-        private int value;
+        private final int value;
 
         private Stopbits(int value) {
             this.value = value;
@@ -61,7 +61,7 @@ public class RXTXChannelConfig extends DefaultChannelConfig {
         DATABITS_7(SerialPort.DATABITS_7),
         DATABITS_8(SerialPort.DATABITS_8);
 
-        private int value;
+        private final int value;
 
         private Databits(int value) {
             this.value = value;
@@ -89,7 +89,7 @@ public class RXTXChannelConfig extends DefaultChannelConfig {
         MARK(SerialPort.PARITY_MARK),
         SPACE(SerialPort.PARITY_SPACE);
 
-        private int value;
+        private final int value;
 
         private Paritybit(int value) {
             this.value = value;
diff --git a/src/main/java/org/jboss/netty/channel/socket/http/SaturationManager.java b/src/main/java/org/jboss/netty/channel/socket/http/SaturationManager.java
index a9be1df55c..95b10e9cab 100644
--- a/src/main/java/org/jboss/netty/channel/socket/http/SaturationManager.java
+++ b/src/main/java/org/jboss/netty/channel/socket/http/SaturationManager.java
@@ -32,9 +32,9 @@ import java.util.concurrent.atomic.AtomicLong;
  * @author OneDrum Ltd.
  */
 class SaturationManager {
-    private AtomicLong desaturationPoint;
+    private final AtomicLong desaturationPoint;
 
-    private AtomicLong saturationPoint;
+    private final AtomicLong saturationPoint;
 
     private final AtomicLong queueSize;
 
diff --git a/src/main/java/org/jboss/netty/channel/socket/nio/SocketReceiveBufferPool.java b/src/main/java/org/jboss/netty/channel/socket/nio/SocketReceiveBufferPool.java
index 5bc7d98608..321f4cc69f 100644
--- a/src/main/java/org/jboss/netty/channel/socket/nio/SocketReceiveBufferPool.java
+++ b/src/main/java/org/jboss/netty/channel/socket/nio/SocketReceiveBufferPool.java
@@ -30,10 +30,6 @@ final class SocketReceiveBufferPool {
     @SuppressWarnings("unchecked")
     private final SoftReference<ByteBuffer>[] pool = new SoftReference[POOL_SIZE];
 
-    SocketReceiveBufferPool() {
-        super();
-    }
-
     final ByteBuffer acquire(int size) {
         final SoftReference<ByteBuffer>[] pool = this.pool;
         for (int i = 0; i < POOL_SIZE; i ++) {
@@ -90,7 +86,7 @@ final class SocketReceiveBufferPool {
         }
     }
 
-    private static final int normalizeCapacity(int capacity) {
+    private static int normalizeCapacity(int capacity) {
         // Normalize to multiple of 1024
         int q = capacity >>> 10;
         int r = capacity & 1023;
diff --git a/src/main/java/org/jboss/netty/channel/socket/nio/SocketSendBufferPool.java b/src/main/java/org/jboss/netty/channel/socket/nio/SocketSendBufferPool.java
index 36606ce784..ac1d4e742c 100644
--- a/src/main/java/org/jboss/netty/channel/socket/nio/SocketSendBufferPool.java
+++ b/src/main/java/org/jboss/netty/channel/socket/nio/SocketSendBufferPool.java
@@ -56,14 +56,14 @@ final class SocketSendBufferPool {
                 "unsupported message type: " + message.getClass());
     }
 
-    private final SendBuffer acquire(FileRegion src) {
+    private SendBuffer acquire(FileRegion src) {
         if (src.getCount() == 0) {
             return EMPTY_BUFFER;
         }
         return new FileSendBuffer(src);
     }
 
-    private final SendBuffer acquire(ChannelBuffer src) {
+    private SendBuffer acquire(ChannelBuffer src) {
         final int size = src.readableBytes();
         if (size == 0) {
             return EMPTY_BUFFER;
@@ -109,7 +109,7 @@ final class SocketSendBufferPool {
         return dst;
     }
 
-    private final Preallocation getPreallocation() {
+    private Preallocation getPreallocation() {
         Preallocation current = this.current;
         if (current.refCnt == 0) {
             current.buffer.clear();
@@ -119,7 +119,7 @@ final class SocketSendBufferPool {
         return getPreallocation0();
     }
 
-    private final Preallocation getPreallocation0() {
+    private Preallocation getPreallocation0() {
         PreallocationRef ref = poolHead;
         if (ref != null) {
             do {
@@ -138,7 +138,7 @@ final class SocketSendBufferPool {
         return new Preallocation(DEFAULT_PREALLOCATION_SIZE);
     }
 
-    private static final int align(int pos) {
+    private static int align(int pos) {
         int q = pos >>> ALIGN_SHIFT;
         int r = pos & ALIGN_MASK;
         if (r != 0) {
diff --git a/src/main/java/org/jboss/netty/example/http/upload/HttpClient.java b/src/main/java/org/jboss/netty/example/http/upload/HttpClient.java
index d83d6fb26e..2a5b248cd9 100644
--- a/src/main/java/org/jboss/netty/example/http/upload/HttpClient.java
+++ b/src/main/java/org/jboss/netty/example/http/upload/HttpClient.java
@@ -404,7 +404,7 @@ public class HttpClient {
 
 
     // use to simulate a big TEXTAREA field in a form
-    private static String textArea =
+    private static final String textArea =
         "lkjlkjlKJLKJLKJLKJLJlkj lklkj\r\n\r\nLKJJJJJJJJKKKKKKKKKKKKKKK ����&\r\n\r\n"+
         "MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM\r\n"+
         "MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM\r\n"+
@@ -992,4 +992,4 @@ public class HttpClient {
         "MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM\r\n"+
         "MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM\r\n";
 
-}
\ No newline at end of file
+}
diff --git a/src/main/java/org/jboss/netty/example/http/websocketx/client/WebSocketClientFactory.java b/src/main/java/org/jboss/netty/example/http/websocketx/client/WebSocketClientFactory.java
index 4ef12bc07a..745c6eddcb 100644
--- a/src/main/java/org/jboss/netty/example/http/websocketx/client/WebSocketClientFactory.java
+++ b/src/main/java/org/jboss/netty/example/http/websocketx/client/WebSocketClientFactory.java
@@ -44,7 +44,7 @@ import java.util.concurrent.Executors;
  */
 public class WebSocketClientFactory {
 
-    private NioClientSocketChannelFactory socketChannelFactory = new NioClientSocketChannelFactory(
+    private final NioClientSocketChannelFactory socketChannelFactory = new NioClientSocketChannelFactory(
             Executors.newCachedThreadPool(), Executors.newCachedThreadPool());
 
     /**
diff --git a/src/main/java/org/jboss/netty/example/http/websocketx/client/WebSocketClientHandler.java b/src/main/java/org/jboss/netty/example/http/websocketx/client/WebSocketClientHandler.java
index 07b5615cd5..28aff75bb8 100644
--- a/src/main/java/org/jboss/netty/example/http/websocketx/client/WebSocketClientHandler.java
+++ b/src/main/java/org/jboss/netty/example/http/websocketx/client/WebSocketClientHandler.java
@@ -51,12 +51,12 @@ import org.jboss.netty.util.CharsetUtil;
  */
 public class WebSocketClientHandler extends SimpleChannelUpstreamHandler implements WebSocketClient {
 
-    private ClientBootstrap bootstrap;
+    private final ClientBootstrap bootstrap;
     private URI url;
-    private WebSocketCallback callback;
+    private final WebSocketCallback callback;
     private Channel channel;
     private WebSocketClientHandshaker handshaker = null;
-    private WebSocketSpecificationVersion version;
+    private final WebSocketSpecificationVersion version;
 
     public WebSocketClientHandler(ClientBootstrap bootstrap, URI url, WebSocketSpecificationVersion version, WebSocketCallback callback) {
         this.bootstrap = bootstrap;
@@ -121,4 +121,4 @@ public class WebSocketClientHandler extends SimpleChannelUpstreamHandler impleme
     public void setUrl(URI url) {
         this.url = url;
     }
-}
\ No newline at end of file
+}
diff --git a/src/main/java/org/jboss/netty/example/localtime/LocalTimeProtocol.java b/src/main/java/org/jboss/netty/example/localtime/LocalTimeProtocol.java
index 6acc3f3f75..03af00127c 100644
--- a/src/main/java/org/jboss/netty/example/localtime/LocalTimeProtocol.java
+++ b/src/main/java/org/jboss/netty/example/localtime/LocalTimeProtocol.java
@@ -48,7 +48,7 @@ public final class LocalTimeProtocol {
         internalGetValueMap() {
       return internalValueMap;
     }
-    private static com.google.protobuf.Internal.EnumLiteMap<Continent>
+    private static final com.google.protobuf.Internal.EnumLiteMap<Continent>
         internalValueMap =
           new com.google.protobuf.Internal.EnumLiteMap<Continent>() {
             public Continent findValueByNumber(int number) {
@@ -125,7 +125,7 @@ public final class LocalTimeProtocol {
         internalGetValueMap() {
       return internalValueMap;
     }
-    private static com.google.protobuf.Internal.EnumLiteMap<DayOfWeek>
+    private static final com.google.protobuf.Internal.EnumLiteMap<DayOfWeek>
         internalValueMap =
           new com.google.protobuf.Internal.EnumLiteMap<DayOfWeek>() {
             public DayOfWeek findValueByNumber(int number) {
diff --git a/src/main/java/org/jboss/netty/handler/codec/base64/Base64.java b/src/main/java/org/jboss/netty/handler/codec/base64/Base64.java
index 89063cc518..05f6d691c6 100644
--- a/src/main/java/org/jboss/netty/handler/codec/base64/Base64.java
+++ b/src/main/java/org/jboss/netty/handler/codec/base64/Base64.java
@@ -53,21 +53,21 @@ public class Base64 {
 
     private static final byte EQUALS_SIGN_ENC = -1; // Indicates equals sign in encoding
 
-    private static final byte[] alphabet(Base64Dialect dialect) {
+    private static byte[] alphabet(Base64Dialect dialect) {
         if (dialect == null) {
             throw new NullPointerException("dialect");
         }
         return dialect.alphabet;
     }
 
-    private static final byte[] decodabet(Base64Dialect dialect) {
+    private static byte[] decodabet(Base64Dialect dialect) {
         if (dialect == null) {
             throw new NullPointerException("dialect");
         }
         return dialect.decodabet;
     }
 
-    private static final boolean breakLines(Base64Dialect dialect) {
+    private static boolean breakLines(Base64Dialect dialect) {
         if (dialect == null) {
             throw new NullPointerException("dialect");
         }
diff --git a/src/main/java/org/jboss/netty/handler/codec/embedder/EmbeddedSocketAddress.java b/src/main/java/org/jboss/netty/handler/codec/embedder/EmbeddedSocketAddress.java
index 808a9a0437..e8a949b508 100644
--- a/src/main/java/org/jboss/netty/handler/codec/embedder/EmbeddedSocketAddress.java
+++ b/src/main/java/org/jboss/netty/handler/codec/embedder/EmbeddedSocketAddress.java
@@ -24,8 +24,4 @@ import java.net.SocketAddress;
  */
 class EmbeddedSocketAddress extends SocketAddress {
     private static final long serialVersionUID = 1400788804624980619L;
-
-    EmbeddedSocketAddress() {
-        super();
-    }
 }
diff --git a/src/main/java/org/jboss/netty/handler/codec/http/DefaultHttpDataFactory.java b/src/main/java/org/jboss/netty/handler/codec/http/DefaultHttpDataFactory.java
index 8c123c62ed..b98e235cd3 100644
--- a/src/main/java/org/jboss/netty/handler/codec/http/DefaultHttpDataFactory.java
+++ b/src/main/java/org/jboss/netty/handler/codec/http/DefaultHttpDataFactory.java
@@ -50,7 +50,7 @@ public class DefaultHttpDataFactory implements HttpDataFactory {
     /**
      * Keep all HttpDatas until cleanAllHttpDatas() is called.
      */
-    private ConcurrentHashMap<HttpRequest, List<HttpData>> requestFileDeleteMap =
+    private final ConcurrentHashMap<HttpRequest, List<HttpData>> requestFileDeleteMap =
         new ConcurrentHashMap<HttpRequest, List<HttpData>>();
     /**
      * HttpData will be in memory if less than default size (16KB).
diff --git a/src/main/java/org/jboss/netty/handler/codec/http/HttpPostRequestDecoder.java b/src/main/java/org/jboss/netty/handler/codec/http/HttpPostRequestDecoder.java
index 5c4f1f2a4a..3a59251941 100644
--- a/src/main/java/org/jboss/netty/handler/codec/http/HttpPostRequestDecoder.java
+++ b/src/main/java/org/jboss/netty/handler/codec/http/HttpPostRequestDecoder.java
@@ -1435,12 +1435,6 @@ public class HttpPostRequestDecoder {
          */
         private static final long serialVersionUID = 1336267941020800769L;
 
-        /**
-         *
-         */
-        public EndOfDataDecoderException() {
-            super();
-        }
     }
 
     /**
diff --git a/src/main/java/org/jboss/netty/handler/codec/http/websocketx/WebSocketClientHandshaker10.java b/src/main/java/org/jboss/netty/handler/codec/http/websocketx/WebSocketClientHandshaker10.java
index 0049ad4646..ba579491cb 100644
--- a/src/main/java/org/jboss/netty/handler/codec/http/websocketx/WebSocketClientHandshaker10.java
+++ b/src/main/java/org/jboss/netty/handler/codec/http/websocketx/WebSocketClientHandshaker10.java
@@ -49,7 +49,7 @@ public class WebSocketClientHandshaker10 extends WebSocketClientHandshaker {
 
     private String expectedChallengeResponseString = null;
 
-    private String protocol = null;
+    private final String protocol = null;
 
     private boolean allowExtensions = false;
 
diff --git a/src/main/java/org/jboss/netty/handler/codec/http/websocketx/WebSocketServerHandshakerFactory.java b/src/main/java/org/jboss/netty/handler/codec/http/websocketx/WebSocketServerHandshakerFactory.java
index e05b1801db..74ec495f5e 100644
--- a/src/main/java/org/jboss/netty/handler/codec/http/websocketx/WebSocketServerHandshakerFactory.java
+++ b/src/main/java/org/jboss/netty/handler/codec/http/websocketx/WebSocketServerHandshakerFactory.java
@@ -30,9 +30,9 @@ import org.jboss.netty.handler.codec.http.HttpHeaders.Names;
  */
 public class WebSocketServerHandshakerFactory {
 
-    private String webSocketURL;
+    private final String webSocketURL;
 
-    private String subProtocols;
+    private final String subProtocols;
 
     private boolean allowExtensions = false;
 
@@ -60,16 +60,6 @@ public class WebSocketServerHandshakerFactory {
     /**
      * Instances a new handshaker
      * 
-     * @param webSocketURL
-     *            URL for web socket communications. e.g
-     *            "ws://myhost.com/mypath". Subsequent web socket frames will be
-     *            sent to this URL.
-     * @param version
-     *            Version of web socket specification to use to connect to the
-     *            server
-     * @param subProtocol
-     *            Sub protocol request sent to the server. Null if no
-     *            sub-protocol support is required.
      * @return A new WebSocketServerHandshaker for the requested web socket
      *         version. Null if web socket version is not supported.
      */
diff --git a/src/main/java/org/jboss/netty/handler/codec/protobuf/ProtobufEncoder.java b/src/main/java/org/jboss/netty/handler/codec/protobuf/ProtobufEncoder.java
index 011d3cdcc4..8b7ec49287 100644
--- a/src/main/java/org/jboss/netty/handler/codec/protobuf/ProtobufEncoder.java
+++ b/src/main/java/org/jboss/netty/handler/codec/protobuf/ProtobufEncoder.java
@@ -68,13 +68,6 @@ import com.google.protobuf.MessageLite;
 @Sharable
 public class ProtobufEncoder extends OneToOneEncoder {
 
-    /**
-     * Creates a new instance.
-     */
-    public ProtobufEncoder() {
-        super();
-    }
-
     @Override
     protected Object encode(
             ChannelHandlerContext ctx, Channel channel, Object msg) throws Exception {
diff --git a/src/main/java/org/jboss/netty/handler/codec/replay/ReplayError.java b/src/main/java/org/jboss/netty/handler/codec/replay/ReplayError.java
index 1b9ca51560..f902d37073 100644
--- a/src/main/java/org/jboss/netty/handler/codec/replay/ReplayError.java
+++ b/src/main/java/org/jboss/netty/handler/codec/replay/ReplayError.java
@@ -27,7 +27,4 @@ class ReplayError extends Error {
 
     private static final long serialVersionUID = 2666698631187527681L;
 
-    ReplayError() {
-        super();
-    }
 }
diff --git a/src/main/java/org/jboss/netty/handler/stream/ChunkedWriteHandler.java b/src/main/java/org/jboss/netty/handler/stream/ChunkedWriteHandler.java
index 7ba9e35663..cb9edd0a4a 100644
--- a/src/main/java/org/jboss/netty/handler/stream/ChunkedWriteHandler.java
+++ b/src/main/java/org/jboss/netty/handler/stream/ChunkedWriteHandler.java
@@ -86,13 +86,6 @@ public class ChunkedWriteHandler implements ChannelUpstreamHandler, ChannelDowns
     private ChannelHandlerContext ctx;
     private MessageEvent currentEvent;
 
-    /**
-     * Creates a new instance.
-     */
-    public ChunkedWriteHandler() {
-        super();
-    }
-
     /**
      * Continues to fetch the chunks from the input.
      */
diff --git a/src/main/java/org/jboss/netty/handler/timeout/IdleStateAwareChannelHandler.java b/src/main/java/org/jboss/netty/handler/timeout/IdleStateAwareChannelHandler.java
index 98b01dc287..fe61cfd0ef 100644
--- a/src/main/java/org/jboss/netty/handler/timeout/IdleStateAwareChannelHandler.java
+++ b/src/main/java/org/jboss/netty/handler/timeout/IdleStateAwareChannelHandler.java
@@ -32,13 +32,6 @@ import org.jboss.netty.channel.SimpleChannelHandler;
  */
 public class IdleStateAwareChannelHandler extends SimpleChannelHandler {
 
-    /**
-     * Creates a new instance.
-     */
-    public IdleStateAwareChannelHandler() {
-        super();
-    }
-
     @Override
     public void handleUpstream(ChannelHandlerContext ctx, ChannelEvent e)
             throws Exception {
diff --git a/src/main/java/org/jboss/netty/handler/timeout/IdleStateAwareChannelUpstreamHandler.java b/src/main/java/org/jboss/netty/handler/timeout/IdleStateAwareChannelUpstreamHandler.java
index e732ef94ca..e66a3bf0f5 100644
--- a/src/main/java/org/jboss/netty/handler/timeout/IdleStateAwareChannelUpstreamHandler.java
+++ b/src/main/java/org/jboss/netty/handler/timeout/IdleStateAwareChannelUpstreamHandler.java
@@ -32,13 +32,6 @@ import org.jboss.netty.channel.SimpleChannelUpstreamHandler;
  */
 public class IdleStateAwareChannelUpstreamHandler extends SimpleChannelUpstreamHandler {
 
-    /**
-     * Creates a new instance.
-     */
-    public IdleStateAwareChannelUpstreamHandler() {
-        super();
-    }
-
     @Override
     public void handleUpstream(ChannelHandlerContext ctx, ChannelEvent e)
             throws Exception {
diff --git a/src/main/java/org/jboss/netty/util/internal/AtomicFieldUpdaterUtil.java b/src/main/java/org/jboss/netty/util/internal/AtomicFieldUpdaterUtil.java
index 96e05b29e9..dc57f99cbb 100644
--- a/src/main/java/org/jboss/netty/util/internal/AtomicFieldUpdaterUtil.java
+++ b/src/main/java/org/jboss/netty/util/internal/AtomicFieldUpdaterUtil.java
@@ -29,9 +29,6 @@ class AtomicFieldUpdaterUtil {
 
     static final class Node {
         volatile Node next;
-        Node() {
-            super();
-        }
     }
 
     static {
diff --git a/src/main/java/org/jboss/netty/util/internal/jzlib/Deflate.java b/src/main/java/org/jboss/netty/util/internal/jzlib/Deflate.java
index ac7c3336f8..62eedc8a50 100644
--- a/src/main/java/org/jboss/netty/util/internal/jzlib/Deflate.java
+++ b/src/main/java/org/jboss/netty/util/internal/jzlib/Deflate.java
@@ -494,26 +494,26 @@ final class Deflate {
 
     // Output a byte on the stream.
     // IN assertion: there is enough room in pending_buf.
-    private final void put_byte(byte[] p, int start, int len) {
+    private void put_byte(byte[] p, int start, int len) {
         System.arraycopy(p, start, pending_buf, pending, len);
         pending += len;
     }
 
-    private final void put_byte(byte c) {
+    private void put_byte(byte c) {
         pending_buf[pending ++] = c;
     }
 
-    private final void put_short(int w) {
+    private void put_short(int w) {
         put_byte((byte) w/*&0xff*/);
         put_byte((byte) (w >>> 8));
     }
 
-    private final void putShortMSB(int b) {
+    private void putShortMSB(int b) {
         put_byte((byte) (b >> 8));
         put_byte((byte) b/*&0xff*/);
     }
 
-    private final void send_code(int c, short[] tree) {
+    private void send_code(int c, short[] tree) {
         int c2 = c * 2;
         send_bits((tree[c2] & 0xffff), (tree[c2 + 1] & 0xffff));
     }
diff --git a/src/main/java/org/jboss/netty/util/internal/jzlib/InfCodes.java b/src/main/java/org/jboss/netty/util/internal/jzlib/InfCodes.java
index f382e627f6..ef19c5c166 100644
--- a/src/main/java/org/jboss/netty/util/internal/jzlib/InfCodes.java
+++ b/src/main/java/org/jboss/netty/util/internal/jzlib/InfCodes.java
@@ -85,10 +85,6 @@ final class InfCodes {
     private int[] dtree; // distance tree
     private int dtree_index; // distance tree
 
-    InfCodes() {
-        super();
-    }
-
     void init(int bl, int bd, int[] tl, int tl_index, int[] td, int td_index) {
         mode = START;
         lbits = (byte) bl;
diff --git a/src/test/java/org/jboss/netty/channel/socket/http/HttpTunnelSoakTester.java b/src/test/java/org/jboss/netty/channel/socket/http/HttpTunnelSoakTester.java
index ed1d5bc641..70c56338da 100644
--- a/src/test/java/org/jboss/netty/channel/socket/http/HttpTunnelSoakTester.java
+++ b/src/test/java/org/jboss/netty/channel/socket/http/HttpTunnelSoakTester.java
@@ -85,7 +85,7 @@ public class HttpTunnelSoakTester {
 
     final DataVerifier s2cVerifier = new DataVerifier("S2C-Verifier");
 
-    private static byte[] SEND_STREAM;
+    private static final byte[] SEND_STREAM;
 
     static {
         SEND_STREAM = new byte[MAX_WRITE_SIZE + 127];