Reverting to ChromeOS by removing Linux (RW_LEGACY)

System Details

  • Device: Asus Chromebook CX1400CKA (GALTIC)
  • OS: Linux Mint 22.3 ZEND (xfce edition)
  • Firmware Type: RW_LEGACY
  • Firmware Version:Google_Galtic.13606.646.0 (05/22/2024)
  • Internal storage type: eMMC (4/64)

I am wanting to revert back to chromeOS.
I recently installed Linux Mint via RW_LEGACY and accidently allocated less space than required.
I have only 8-9 gigs left after the install. The method i chose to partition was to split the main disk to half and half. Now i want to merge the linux storage after i format it.

I couldn’t find it anywhere so i asked some AI bots. They said if i format the disk partition and manually merge it, it will corrupt the chromeOS. but this didn’t happen when i shrunk it.

SO, i decided to remove linux mint, coreboot and enter into normal secure mode of chromeOS.
please anyone guide me how do i merge the disk into the chromeOS storage partition.

all you had to do was use a ChromeOS USB recovery