diff --git a/pkgs/by-name/al/alass/package.nix b/pkgs/by-name/al/alass/package.nix
deleted file mode 100644
index 0ae84ada3dfb..000000000000
--- a/pkgs/by-name/al/alass/package.nix
+++ /dev/null
@@ -1,35 +0,0 @@
-{
-  lib,
-  fetchFromGitHub,
-  rustPlatform,
-  makeWrapper,
-  ffmpeg,
-}:
-
-rustPlatform.buildRustPackage rec {
-  pname = "alass";
-  version = "2.0.0";
-
-  src = fetchFromGitHub {
-    owner = "kaegi";
-    repo = pname;
-    rev = "v${version}";
-    sha256 = "sha256-q1IV9TtmznpR7RO75iN0p16nmTja5ADWqFj58EOPWvU=";
-  };
-
-  cargoHash = "sha256-6swIoVp1B4CMvaGvq868LTKkzpI6zFKJNgUVqjdyH20=";
-
-  nativeBuildInputs = [ makeWrapper ];
-
-  postInstall = ''
-    wrapProgram "$out/bin/alass-cli" --prefix PATH : "${lib.makeBinPath [ ffmpeg ]}"
-  '';
-
-  meta = with lib; {
-    description = "Automatic Language-Agnostic Subtitles Synchronization";
-    homepage = "https://github.com/kaegi/alass";
-    license = licenses.gpl3Plus;
-    maintainers = with maintainers; [ erictapen ];
-    mainProgram = "alass-cli";
-  };
-}
diff --git a/pkgs/top-level/aliases.nix b/pkgs/top-level/aliases.nix
index d4e0ecf63c6d..601b86517977 100644
--- a/pkgs/top-level/aliases.nix
+++ b/pkgs/top-level/aliases.nix
@@ -96,6 +96,7 @@ mapAliases {
   aeon = throw "aeon has been removed from nixpkgs, as it was broken and unmaintained"; # Added 2024-07-15
   afl = throw "afl has been removed as the upstream project was archived. Consider using 'aflplusplus'"; # Added 2024-04-21
   agda-pkg = throw "agda-pkg has been removed due to being unmaintained"; # Added 2024-09-10"
+  alass = throw "'alass' has been removed due to being unmaintained upstream"; # Added 2025-01-25
   alsaLib = throw "'alsaLib' has been renamed to/replaced by 'alsa-lib'"; # Converted to throw 2024-10-17
   alsaOss = throw "'alsaOss' has been renamed to/replaced by 'alsa-oss'"; # Converted to throw 2024-10-17
   alsaPluginWrapper = throw "'alsaPluginWrapper' has been renamed to/replaced by 'alsa-plugins-wrapper'"; # Converted to throw 2024-10-17