diff --git a/home-manager/fred.nix b/home-manager/fred.nix
index 6e45f2b..d95da40 100644
--- a/home-manager/fred.nix
+++ b/home-manager/fred.nix
@@ -143,13 +143,6 @@ in
       # windows too (decoration.blur), so what comes through is softened
       # rather than readable detail.
       background-opacity = 0.70;
-      # Ghostty dims an unfocused surface by painting unfocused-split-fill
-      # (= the background colour) over it at 1 - unfocused-split-opacity, i.e.
-      # 0.30 by default. That rides on top of background-opacity, so an
-      # unfocused window lands at 0.70 + 0.30 = fully opaque. GTK drops surface
-      # focus for the whole window, not just splits, so a single-pane window
-      # gets it too. 1 disables the dim.
-      unfocused-split-opacity = 1;
       confirm-close-surface = false;
       gtk-titlebar = false;
       gtk-single-instance = true;