How do you delete elements in Listview and save it on TinyDB?

So i have a problem with my app where its supposed to be like a task organizer. And once i've created a task i can delete it but once i reload the app the task i just deleted reappears again:

Here i delete them:

And now if i reload the first image reappears.

These are the blocks i have

Here i have managed to clear the tag on Listview1 but i dont know how to save it on TinyDB so it just works normally
Hope you guys can help me! Thanks in advance
TheDaily (1).aia (6.4 KB)

Try this: