How do I get rid of Wallpapers on my iPad?

Hello~ Press down on your iPad screen as if you were creating a new wallpaper and chose the one you want to delete and slide upwards …it should show you a red trash symbol… click on that and it will then ask if you want to delete it. Voila and repeat to any others you want to delete.

~Katana-San~

To expand and clarify Katana-San’s guidance...

iPad Wallpaper can be set from WallPaper Settings and from the lock screen.

Change the wallpaper on iPad - Apple Support

Custom Wallpaper can only be removed from the iPadOS 17/18 Lock Screen. To delete from the Lock Screen - while the iPad is at the unlocked Lock Screen - touch and hold to expose the Wallpaper selection page. To delete an unwanted Wallpaper, simply swipe upwards - and confirm deletion.

Hello~ Good info!

~Katana-San~