diff --git a/pkgs/by-name/lo/lounge-gtk-theme/package.nix b/pkgs/by-name/lo/lounge-gtk-theme/package.nix
deleted file mode 100644
index 852eeb7c2d76..000000000000
--- a/pkgs/by-name/lo/lounge-gtk-theme/package.nix
+++ /dev/null
@@ -1,55 +0,0 @@
-{
-  lib,
-  stdenv,
-  fetchFromGitHub,
-  meson,
-  ninja,
-  sassc,
-  gtk3,
-  gnome-shell,
-  gdk-pixbuf,
-  librsvg,
-  gtk-engine-murrine,
-}:
-
-stdenv.mkDerivation rec {
-  pname = "lounge-gtk-theme";
-  version = "1.24";
-
-  src = fetchFromGitHub {
-    owner = "monday15";
-    repo = "lounge-gtk-theme";
-    rev = version;
-    sha256 = "0ima0aa5j296xn4y0d1zj6vcdrdpnihqdidj7bncxzgbnli1vazs";
-  };
-
-  nativeBuildInputs = [
-    meson
-    ninja
-    sassc
-    gtk3
-  ];
-
-  buildInputs = [
-    gdk-pixbuf
-    librsvg
-  ];
-
-  propagatedUserEnvPkgs = [ gtk-engine-murrine ];
-
-  mesonFlags = [
-    "-D gnome_version=${lib.versions.majorMinor gnome-shell.version}"
-  ];
-
-  postFixup = ''
-    gtk-update-icon-cache "$out"/share/icons/Lounge-aux;
-  '';
-
-  meta = {
-    description = "Simple and clean GTK theme with vintage scrollbars, inspired by Absolute, based on Adwaita";
-    homepage = "https://github.com/monday15/lounge-gtk-theme";
-    license = lib.licenses.gpl3Plus;
-    platforms = lib.platforms.unix;
-    maintainers = [ lib.maintainers.romildo ];
-  };
-}
diff --git a/pkgs/top-level/aliases.nix b/pkgs/top-level/aliases.nix
index 536edea86b4e..6666034af7dc 100644
--- a/pkgs/top-level/aliases.nix
+++ b/pkgs/top-level/aliases.nix
@@ -1484,6 +1484,7 @@ mapAliases {
   log4j-vuln-scanner = throw "'log4j-vuln-scanner' has been removed, as it was unmaintained upstream and no longer relevant given that the Log4Shell vulnerability has been fixed."; # Added 2025-11-15
   log4jcheck = throw "'log4jcheck' has been removed, as it was unmaintained upstream and no longer relevant given that the Log4Shell vulnerability has been fixed."; # Added 2025-11-15
   log4shell-detector = throw "'log4shell-detector' has been removed, as it was unmaintained upstream and no longer relevant given that the Log4Shell vulnerability has been fixed."; # Added 2025-11-15
+  lounge-gtk-theme = throw "'lounge-gtk-theme' has been removed because it depended on 'gtk-engine-murrine', which was removed because it was unmaintained upstream and depended on GTK 2."; # Added 2026-07-22
   lowPrio = warnAlias "'lowPrio' has been removed from pkgs, use `lib.lowPrio` instead" lib.lowPrio; # Added 2025-10-30
   LPCNet = throw "'LPCNet' has been renamed to/replaced by 'lpcnet'"; # Converted to throw 2025-10-27
   lttv = throw "'lttv' has been removed, as it is broken and unmaintained. Upstream suggests using 'tracecompass' or 'babeltrace2' instead"; # Added 2026-05-04