Need help on how to disable asus bios update...

Hi, I need help on disabling bios update. I have downgrade my UX330UA Asus Laptop from bios 315 to 311 for hackintosh purpose but after each boot in Windows, my bios gets updated to 315... I think it's because the bios 315 update is stored somewhere in Windows.. Can someone help me on how to delete the bios stored in Windows ? Excuse my english.

submitted by /u/Ykcim98
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