diff --git a/pkgs/by-name/de/deco/package.nix b/pkgs/by-name/de/deco/package.nix
deleted file mode 100644
index cfbd4098333b..000000000000
--- a/pkgs/by-name/de/deco/package.nix
+++ /dev/null
@@ -1,44 +0,0 @@
-{
-  lib,
-  stdenv,
-  fetchFromGitHub,
-  scsh,
-  feh,
-  xorg,
-  xdg-user-dirs,
-}:
-
-stdenv.mkDerivation {
-  pname = "deco";
-  version = "0-unstable-2025-07-07";
-
-  src = fetchFromGitHub {
-    owner = "vedatechnologiesinc";
-    repo = "deco";
-    rev = "2fd28241ed28c07b9d641061d4e1bf3cacfcc7a0";
-    hash = "sha256-kjXEvgYO1p/dX9nXQ3HHcXmJdtxDM6xzKqDQu3yM4Tw=";
-  };
-
-  installPhase = ''
-    mkdir -p $out/bin
-    cp deco $out/bin
-    chmod +x $out/bin/deco
-  '';
-
-  postFixup = ''
-    substituteInPlace $out/bin/deco --replace-fail "/usr/bin/env scsh" "${scsh}/bin/scsh"
-    substituteInPlace $out/bin/deco --replace-fail "feh" "${feh}/bin/feh"
-    substituteInPlace $out/bin/deco --replace-fail "xdpyinfo" "${xorg.xdpyinfo}/bin/xdpyinfo"
-    substituteInPlace $out/bin/deco --replace-fail "xdg-user-dir" "${xdg-user-dirs}/bin/xdg-user-dir"
-  '';
-
-  meta = {
-    homepage = "https://github.com/vedatechnologiesinc/deco";
-    description = "Simple root image setter";
-    license = lib.licenses.bsd3;
-    platforms = lib.platforms.unix;
-    mainProgram = "deco";
-  };
-
-  dontBuild = true;
-}
diff --git a/pkgs/top-level/aliases.nix b/pkgs/top-level/aliases.nix
index cc6b975063d1..16779ae01061 100644
--- a/pkgs/top-level/aliases.nix
+++ b/pkgs/top-level/aliases.nix
@@ -509,6 +509,7 @@ mapAliases {
   dbus-sharp-glib-2_0 = throw "'dbus-sharp-glib-2_0' has been removed as it was unmaintained and had no dependents"; # Added 2025-08-25
   dclib = throw "'dclib' has been removed as it is unmaintained for 16 years and broken"; # Added 2025-05-25
   deadpixi-sam = throw "'deadpixi-sam' has been renamed to/replaced by 'deadpixi-sam-unstable'"; # Converted to throw 2025-10-27
+  deco = throw "'deco' has been removed as it is unused"; # Added 2025-12-18
   deepin = throw "the Deepin desktop environment and associated tools have been removed from nixpkgs due to lack of maintenance"; # Added 2025-08-21
   deepsea = throw "deepsea has been removed because it has been marked as broken since at least November 2024."; # Added 2025-09-28
   degit-rs = throw "'degit-rs' has been removed because it is unmaintained upstream and has vulnerable dependencies."; # Added 2025-07-11