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 990e8172b5..3f59d9328a 100644
--- a/transport/src/main/java/io/netty/channel/socket/aio/AioServerSocketChannelConfig.java
+++ b/transport/src/main/java/io/netty/channel/socket/aio/AioServerSocketChannelConfig.java
@@ -46,6 +46,7 @@ final class AioServerSocketChannelConfig extends DefaultChannelConfig
     }
 
     @Override
+    @SuppressWarnings("unchecked")
     public <T> T getOption(ChannelOption<T> option) {
         if (option == SO_RCVBUF) {
             return (T) Integer.valueOf(getReceiveBufferSize());
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 ae1be50145..ba0481c62d 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
@@ -57,6 +57,7 @@ final class AioSocketChannelConfig extends DefaultChannelConfig
     }
 
     @Override
+    @SuppressWarnings("unchecked")
     public <T> T getOption(ChannelOption<T> option) {
         if (option == SO_RCVBUF) {
             return (T) Integer.valueOf(getReceiveBufferSize());