Empty Folders in Dropbox encryption location

I’ve got endless subfolders (55) in my “d” folder where all the encryption files reside for my vault. All subfolders have 2-character alphanumerice names. All except the most recently created are empty. Can I delete the empty ones?

Unless you are unable to access your files, it’s best to leave the vaults vault untouched. Let Cryptomator handle it.