I'm using doomkernel v21 and stock kk .757 deodexed. There is not any another way to change it ????
Tweak kernel, do that what Greg just said and delete all unnecessary apps...
If you are rooted and you are - you can do many things.
You can go to system/app and system/priv-app and delete all apps you don't need.
BTW - even we need deodexed ROMs to be able to use many mods - odexed ROM are faster.
That's whole or the main purpose of dex files and dalvik cache
Apps are using their dex brothers to access assets easier and quicker...
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