Quote Originally Posted by OliviaLugria View Post
<se.> sound volume is controlled by "system sounds" in the audio tab. This does affect a few other things in FL like the LB ping, but you're probably net benefiting. I do wish they'd split these inton2 categories, but alas.

You can also make a macro to easily toggle it on or off, or learn the /command for it, so you don't have to fiddle around in the settings before every match.
Since you're one of the chief culprits when it comes to spamming se.X in FL, the easiest solution is just to blacklist you.