Is there a way to hide these videofx textures?

Hi,

first i wanna say sorry for all my questions.
But i did a video fx from my healer castbar,because weak auras doesnt work in classic this way.
But if my healer is not casting i have these textures.
Is there a way to get rid of those?

This is what i mean:

https://ibb.co/1nBF9SF

[Ridosaw]

Try resizing the VFX Source window so as not to capture that extra portion of the game window outside of the healers click menu.