SUMMARY There's no delete or uninstall button for splash screens, and the "installed themes" section only shows the newly installed. STEPS TO REPRODUCE 1. Open System Settings 2. Click on Appearance => Splash screen 3. Try to uninstall undesired or outdated splash screens OBSERVED RESULT EXPECTED RESULT No button or option to delete/uninstall SOFTWARE/OS VERSIONS Linux/KDE Plasma: Fedora 34 (available in About System) KDE Plasma Version: 5.21 KDE Frameworks Version: 5.82 Qt Version: Not available ADDITIONAL INFORMATION It's been a long time this issue is there.
*** This bug has been marked as a duplicate of bug 398081 ***