SUMMARY After deleting the vault through Configure -> Delete, the vault still appears in the vault list but cannot be interacted with. STEPS TO REPRODUCE 1. Create a vault 2. Delete the vault by going to Configure -> Delete OBSERVED RESULT The vault stays in the list and it cannot be clicked on. EXPECTED RESULT After deleting the vault, no trace of it is left on my system. SOFTWARE/OS VERSIONS Operating System: KDE neon 5.25 KDE Plasma Version: 5.25.4 KDE Frameworks Version: 5.96.0 Qt Version: 5.15.5 Kernel Version: 5.15.0-43-generic (64-bit) Graphics Platform: X11 ADDITIONAL INFORMATION Deleting the [EncryptedDevices] entry and [old_vault_path_directory] section in ~/.config/plasmavaultrc and logging back into Plasma solved the issue.
for some more detail about what files and entries are not deleted correctly see https://bugs.kde.org/show_bug.cgi?id=432218#c1