diff --git a/codec-http/src/main/java/io/netty/handler/codec/http/HttpClientCodec.java b/codec-http/src/main/java/io/netty/handler/codec/http/HttpClientCodec.java
index 8899c528e0..8d8aef5d3d 100644
--- a/codec-http/src/main/java/io/netty/handler/codec/http/HttpClientCodec.java
+++ b/codec-http/src/main/java/io/netty/handler/codec/http/HttpClientCodec.java
@@ -47,7 +47,7 @@ public final class HttpClientCodec
     private final Queue<HttpMethod> queue = new ArrayDeque<HttpMethod>();
 
     /** If true, decoding stops (i.e. pass-through) */
-    private volatile boolean done;
+    private boolean done;
 
     private final AtomicLong requestResponseCounter = new AtomicLong();
     private final boolean failOnMissingResponse;
diff --git a/codec-http/src/main/java/io/netty/handler/codec/spdy/SpdyFrameEncoder.java b/codec-http/src/main/java/io/netty/handler/codec/spdy/SpdyFrameEncoder.java
index e16b6c68a7..d84a40b28f 100644
--- a/codec-http/src/main/java/io/netty/handler/codec/spdy/SpdyFrameEncoder.java
+++ b/codec-http/src/main/java/io/netty/handler/codec/spdy/SpdyFrameEncoder.java
@@ -34,7 +34,7 @@ import static io.netty.handler.codec.spdy.SpdyCodecUtil.*;
 public class SpdyFrameEncoder extends MessageToByteEncoder<SpdyFrame> {
 
     private final int version;
-    private volatile boolean finished;
+    private boolean finished;
     private final SpdyHeaderBlockCompressor headerBlockCompressor;
 
     /**
diff --git a/codec-http/src/main/java/io/netty/handler/codec/spdy/SpdyHttpEncoder.java b/codec-http/src/main/java/io/netty/handler/codec/spdy/SpdyHttpEncoder.java
index 14eeb4dbb7..8f44e91afd 100644
--- a/codec-http/src/main/java/io/netty/handler/codec/spdy/SpdyHttpEncoder.java
+++ b/codec-http/src/main/java/io/netty/handler/codec/spdy/SpdyHttpEncoder.java
@@ -123,7 +123,7 @@ import java.util.Map;
 public class SpdyHttpEncoder extends MessageToMessageEncoder<HttpObject> {
 
     private final int spdyVersion;
-    private volatile int currentStreamId;
+    private int currentStreamId;
 
     /**
      * Creates a new instance.
diff --git a/codec-http/src/main/java/io/netty/handler/codec/spdy/SpdySession.java b/codec-http/src/main/java/io/netty/handler/codec/spdy/SpdySession.java
index 3674b20dc4..0de5c6dec1 100644
--- a/codec-http/src/main/java/io/netty/handler/codec/spdy/SpdySession.java
+++ b/codec-http/src/main/java/io/netty/handler/codec/spdy/SpdySession.java
@@ -167,12 +167,12 @@ final class SpdySession {
     private static final class StreamState {
 
         private final byte priority;
-        private volatile boolean remoteSideClosed;
-        private volatile boolean localSideClosed;
+        private boolean remoteSideClosed;
+        private boolean localSideClosed;
         private boolean receivedReply;
         private final AtomicInteger sendWindowSize;
         private final AtomicInteger receiveWindowSize;
-        private volatile int receiveWindowSizeLowerBound;
+        private int receiveWindowSizeLowerBound;
         private final Queue<Object> pendingWriteQueue = new ConcurrentLinkedQueue<Object>();
 
         StreamState(
diff --git a/codec-http/src/main/java/io/netty/handler/codec/spdy/SpdySessionHandler.java b/codec-http/src/main/java/io/netty/handler/codec/spdy/SpdySessionHandler.java
index 2c4ec524e2..9add62a38a 100644
--- a/codec-http/src/main/java/io/netty/handler/codec/spdy/SpdySessionHandler.java
+++ b/codec-http/src/main/java/io/netty/handler/codec/spdy/SpdySessionHandler.java
@@ -40,24 +40,24 @@ public class SpdySessionHandler
     }
 
     private final SpdySession spdySession = new SpdySession();
-    private volatile int lastGoodStreamId;
+    private int lastGoodStreamId;
 
-    private volatile int remoteConcurrentStreams;
-    private volatile int localConcurrentStreams;
-    private volatile int maxConcurrentStreams;
+    private int remoteConcurrentStreams;
+    private int localConcurrentStreams;
+    private int maxConcurrentStreams;
 
     private static final int DEFAULT_WINDOW_SIZE = 64 * 1024; // 64 KB default initial window size
-    private volatile int initialSendWindowSize = DEFAULT_WINDOW_SIZE;
-    private volatile int initialReceiveWindowSize = DEFAULT_WINDOW_SIZE;
+    private int initialSendWindowSize = DEFAULT_WINDOW_SIZE;
+    private int initialReceiveWindowSize = DEFAULT_WINDOW_SIZE;
 
     private final Object flowControlLock = new Object();
 
     private final AtomicInteger pings = new AtomicInteger();
 
-    private volatile boolean sentGoAwayFrame;
-    private volatile boolean receivedGoAwayFrame;
+    private boolean sentGoAwayFrame;
+    private boolean receivedGoAwayFrame;
 
-    private volatile ChannelPromise closeSessionFuture;
+    private ChannelPromise closeSessionFuture;
 
     private final boolean server;
     private final boolean flowControl;
@@ -748,7 +748,7 @@ public class SpdySessionHandler
             return false;
         }
 
-        int maxConcurrentStreams = this.maxConcurrentStreams; // read volatile once
+        int maxConcurrentStreams = this.maxConcurrentStreams;
         if (maxConcurrentStreams != 0 &&
            spdySession.numActiveStreams() >= maxConcurrentStreams) {
             return false;
diff --git a/codec/src/main/java/io/netty/handler/codec/ByteToMessageDecoder.java b/codec/src/main/java/io/netty/handler/codec/ByteToMessageDecoder.java
index ed23fbca9a..f0db696e2e 100644
--- a/codec/src/main/java/io/netty/handler/codec/ByteToMessageDecoder.java
+++ b/codec/src/main/java/io/netty/handler/codec/ByteToMessageDecoder.java
@@ -42,7 +42,7 @@ import io.netty.util.internal.StringUtil;
 public abstract class ByteToMessageDecoder extends ChannelInboundHandlerAdapter {
 
     protected ByteBuf cumulation;
-    private volatile boolean singleDecode;
+    private boolean singleDecode;
     private boolean decodeWasNull;
     private MessageList<Object> out;
 
diff --git a/handler/src/main/java/io/netty/handler/ssl/SslHandler.java b/handler/src/main/java/io/netty/handler/ssl/SslHandler.java
index b5b111a304..60e21e7a44 100644
--- a/handler/src/main/java/io/netty/handler/ssl/SslHandler.java
+++ b/handler/src/main/java/io/netty/handler/ssl/SslHandler.java
@@ -1069,7 +1069,7 @@ public class SslHandler
     }
 
     private static final class CloseNotifyListener implements ChannelFutureListener {
-        volatile boolean done;
+        boolean done;
 
         @Override
         public void operationComplete(ChannelFuture future) throws Exception {