Removing the titlebar X close application button

Desktop
1

Is there a way to remove this button? I want to close applications with Alt + F4 only, it’s more minimalist imo.

This button below in the top right corner:

image
image391×207 18.7 KB

2 
gsettings set org.gnome.desktop.wm.preferences button-layout appmenu
3

Thank you so much, dude!