How can I reduce my Flex Chat Application Size?

Hi all,

I have developed a Chat application using Flex and XIFF API. The XIFF API size is around 500 KB. I am not using all the Packages that are coming with XIFF. I need the basic chat functionality . Now my chat application size is around 400KB(in release mode). Is there any way that I can reduce the Chat application size , so that it will loads to the client machine quickly.