diff --git a/home-manager/gui.nix b/home-manager/gui.nix
index 40b5b94..4f067be 100644
--- a/home-manager/gui.nix
+++ b/home-manager/gui.nix
@@ -188,6 +188,8 @@
       package = pkgs.adw-gtk3;
       name = "adw-gtk3-dark";
     };
+    # gtk4 apps use libadwaita natively, no theme package needed
+    gtk4.theme = null;
     iconTheme = {
       package = pkgs.adwaita-icon-theme;
       name = "Adwaita";