Removing EFI Entries

Removing Ubuntu UEFI Boot Entries Permanently

If you uninstalled Ubuntu but its entry still shows in the UEFI boot menu, here are two reliable methods to remove it.

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Method 1 – Delete EFI Partition and Bootloader Entry

Step 1 – Delete Ubuntu EFI Partition with Diskpart

Open Command Prompt (Admin) and run:

diskpart
list disk
select disk <number>
list partition
select partition <number>   # EFI/Ubuntu partition (100–500MB FAT32)
delete partition override
exit

This deletes the EFI partition where Ubuntu stored its bootloader files.

Step 2 – Delete Bootloader Entry with BCDEdit

Still in Command Prompt:

bcdedit /enum firmware

Find the entry labeled Ubuntu, note its identifier (GUID like {xxxxxxxx-xxxx-xxxx-xxxx-xxxxxxxxxxxx}), and remove it:

bcdedit /delete {identifier}

This clears the UEFI boot manager entry.

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Method 2 – Remove Only Ubuntu Folder from EFI Partition

Step 1 – Mount EFI Partition

diskpart
list disk          # check available disks
select disk 0      # usually your primary system disk
list partition     # shows partitions
select partition 1 # example: EFI System Partition
assign letter=x    # mounts EFI as drive X:
exit

Step 2 – Navigate and Delete Ubuntu EFI Files

x:                 # switch to EFI partition
dir
cd efi
dir                # list folders (Windows, Boot, Ubuntu, etc.)
rd ubuntu /S       # delete Ubuntu folder recursively
y                  # confirm deletion

This method keeps the EFI partition but removes only the Ubuntu folder inside it.

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Explanation

• Method 1 completely deletes the Ubuntu EFI partition and its boot entry. Use this if the partition was created on a seperate drive from windows. If deleted with windows inside, the windows will NOT BOOT.
• Method 2 mounts the EFI system partition, navigates inside, and deletes only the ubuntu folder. Use this if you share the EFI partition with Windows (common on most dual-boot setups).
• BCDEdit ensures leftover boot entries pointing to non-existent files are removed.

Both methods ensure the Ubuntu entry disappears from your BIOS/UEFI boot menu permanently.