All albums on the LG smartphone can be deleted, and the deleted album will remain in the trash for seven days after deletion, before it is automatically removed from the device.

Android 9 | LG UX 9.0
Step 1:  Open the  Gallery -App
Step 2:  Tap on  Albums
Step 3:  Open the  Menu
Step 4:  Tap on  Delete album
Step 5:  Select all desired  albums
Step 6:  Tap on  Delete album
Step 7:  Confirm with  Delete album
  1. Open the Gallery-App
  2. Tap on Albums
  3. Open the Menu
  4. Tap on Delete album
  5. Select all desired albums
  6. Tap on Delete album
  7. Confirm with Delete album

LG Instructions