diff --git a/transport/src/main/java/io/netty/channel/socket/aio/AioSocketChannelConfig.java b/transport/src/main/java/io/netty/channel/socket/aio/AioSocketChannelConfig.java
index b5d23b1338..3be37ea7a2 100644
--- a/transport/src/main/java/io/netty/channel/socket/aio/AioSocketChannelConfig.java
+++ b/transport/src/main/java/io/netty/channel/socket/aio/AioSocketChannelConfig.java
@@ -58,7 +58,6 @@ final class AioSocketChannelConfig extends DefaultChannelConfig
     }
 
     @Override
-    @SuppressWarnings("unchecked")
     public <T> T getOption(ChannelOption<T> option) {
         if (option == SO_RCVBUF) {
             return (T) Integer.valueOf(getReceiveBufferSize());