diff --git a/files/alacritty.yml b/files/alacritty.yml
index 0ef3b15..5ab5b45 100644
--- a/files/alacritty.yml
+++ b/files/alacritty.yml
@@ -203,12 +203,6 @@ bell:
   animation: EaseOutExpo
   duration: 0
 
-# Background opacity
-#
-# Window opacity as a floating point number from `0.0` to `1.0`.
-# The value `0.0` is completely transparent and `1.0` is opaque.
-background_opacity: 1.0
-
 # Mouse bindings
 #
 # Available fields: