diff --git a/apps/hyprland/scripts/window-rules.nix b/apps/hyprland/scripts/window-rules.nix
index 222abb1..1b53acf 100644
--- a/apps/hyprland/scripts/window-rules.nix
+++ b/apps/hyprland/scripts/window-rules.nix
@@ -65,6 +65,7 @@ in {
   home.packages = [hypr-window-rules];
 
   wayland.windowManager.hyprland.settings.exec-once = [
-    "hypr-window-rules"
+    # FIXME: removed `hypr-window-rule` for excessive CPU usage. Reason unknown.
+    # "hypr-window-rules"
   ];
 }