Minecraft remove dark edge?

I have not found a YouTube video or similar on this topic, so I ask you here.

Can someone explain how to remove this dark border in Minecraft?
It comes when the game somehow wants to simulate shadows or something, or something.

(It's not the texture package)

Thanks in advance!

Is that wrong or do you have a shader yourself? Could then be because of it. Otherwise simply issue shadows in the graphics settings.

Search for "vignette" in the video installations. You have to turn that off.

No idea, could be due to the game settings. Show something with the menu bar or something.

Don't use a shader, thanks anyway

Great, thank you for the fast answer.
Worked!

You have to cut away the dark.

Apparently you've already done that.

These are vignettes. Unfortunately, I don't know where exactly you can deactivate them.