diff --git a/transport/src/main/java/io/netty/channel/group/ChannelGroupFuture.java b/transport/src/main/java/io/netty/channel/group/ChannelGroupFuture.java
index 6ee160b2f8..e807b563e3 100644
--- a/transport/src/main/java/io/netty/channel/group/ChannelGroupFuture.java
+++ b/transport/src/main/java/io/netty/channel/group/ChannelGroupFuture.java
@@ -166,7 +166,7 @@ public interface ChannelGroupFuture extends Iterable<ChannelFuture> {
      * {@linkplain #isDone() done}.  If this future is already
      * completed, the specified listener is notified immediately.
      */
-    void addListener(ChannelGroupFutureListener listener);
+    ChannelGroupFuture addListener(ChannelGroupFutureListener listener);
 
     /**
      * Removes the specified listener from this future.
@@ -175,7 +175,7 @@ public interface ChannelGroupFuture extends Iterable<ChannelFuture> {
      * future is already completed, this method has no effect
      * and returns silently.
      */
-    void removeListener(ChannelGroupFutureListener listener);
+    ChannelGroupFuture removeListener(ChannelGroupFutureListener listener);
 
     /**
      * Waits for this future to be completed.
diff --git a/transport/src/main/java/io/netty/channel/group/DefaultChannelGroupFuture.java b/transport/src/main/java/io/netty/channel/group/DefaultChannelGroupFuture.java
index 6a151d2cdb..4664658201 100644
--- a/transport/src/main/java/io/netty/channel/group/DefaultChannelGroupFuture.java
+++ b/transport/src/main/java/io/netty/channel/group/DefaultChannelGroupFuture.java
@@ -161,7 +161,7 @@ public class DefaultChannelGroupFuture implements ChannelGroupFuture {
     }
 
     @Override
-    public void addListener(ChannelGroupFutureListener listener) {
+    public ChannelGroupFuture addListener(ChannelGroupFutureListener listener) {
         if (listener == null) {
             throw new NullPointerException("listener");
         }
@@ -185,10 +185,11 @@ public class DefaultChannelGroupFuture implements ChannelGroupFuture {
         if (notifyNow) {
             notifyListener(listener);
         }
+        return this;
     }
 
     @Override
-    public void removeListener(ChannelGroupFutureListener listener) {
+    public ChannelGroupFuture removeListener(ChannelGroupFutureListener listener) {
         if (listener == null) {
             throw new NullPointerException("listener");
         }
@@ -206,6 +207,7 @@ public class DefaultChannelGroupFuture implements ChannelGroupFuture {
                 }
             }
         }
+        return this;
     }
 
     @Override