diff --git a/apps/zen.nix b/apps/zen.nix
index d593da8..a54598e 100644
--- a/apps/zen.nix
+++ b/apps/zen.nix
@@ -49,6 +49,10 @@
     //   fred.zenTheme.status      the watcher ran, and what it did
     pref("fred.zenTheme.cfg", true);
 
+    // Drop min/max/close: inert under Hyprland, and with the single toolbar
+    // they are all that keeps the empty strip above the page alive.
+    pref("zen.view.experimental-no-window-controls", true);
+
     try {
       const kCc = Components.classes;
       const kCi = Components.interfaces;