diff --git a/transport/src/main/java/io/netty/channel/socket/aio/AioServerSocketChannelConfig.java b/transport/src/main/java/io/netty/channel/socket/aio/AioServerSocketChannelConfig.java
index 116b173b23..3a7b1a24b8 100755
--- a/transport/src/main/java/io/netty/channel/socket/aio/AioServerSocketChannelConfig.java
+++ b/transport/src/main/java/io/netty/channel/socket/aio/AioServerSocketChannelConfig.java
@@ -50,6 +50,7 @@ public class AioServerSocketChannelConfig extends DefaultChannelConfig
         return getOptions(super.getOptions(), SO_RCVBUF, SO_REUSEADDR, SO_BACKLOG);
     }
 
+    @SuppressWarnings("unchecked")
     @Override
     public <T> T getOption(ChannelOption<T> option) {
         if (option == SO_RCVBUF) {
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 0fe1a244d0..8722206054 100755
--- a/transport/src/main/java/io/netty/channel/socket/aio/AioSocketChannelConfig.java
+++ b/transport/src/main/java/io/netty/channel/socket/aio/AioSocketChannelConfig.java
@@ -51,6 +51,7 @@ public class AioSocketChannelConfig extends DefaultChannelConfig
                 SO_RCVBUF, SO_SNDBUF, TCP_NODELAY, SO_KEEPALIVE, SO_REUSEADDR, SO_LINGER, IP_TOS);
     }
 
+    @SuppressWarnings("unchecked")
     @Override
     public <T> T getOption(ChannelOption<T> option) {
         if (option == SO_RCVBUF) {