diff --git a/pkgs/by-name/tr/tremor-language-server/package.nix b/pkgs/by-name/tr/tremor-language-server/package.nix
deleted file mode 100644
index 125b430810d8..000000000000
--- a/pkgs/by-name/tr/tremor-language-server/package.nix
+++ /dev/null
@@ -1,29 +0,0 @@
-{
-  lib,
-  rustPlatform,
-  fetchFromGitHub,
-}:
-rustPlatform.buildRustPackage rec {
-  pname = "tremor-language-server";
-  version = "0.13.0-rc.11";
-
-  src = fetchFromGitHub {
-    owner = "tremor-rs";
-    repo = "tremor-language-server";
-    rev = "v${version}";
-    sha256 = "sha256-gooHNSBEcqyTMOSBG7T01kSdCWKK98dbE8+nuwvQkS0=";
-  };
-
-  nativeBuildInputs = [
-    rustPlatform.bindgenHook
-  ];
-
-  cargoHash = "sha256-tMs5DRuWuMXIpj5YU4bR4mAlzv7nWycmzDOqMuihj7M=";
-
-  meta = with lib; {
-    description = "Tremor Language Server (Trill)";
-    homepage = "https://www.tremor.rs/docs/next/getting-started/tooling";
-    license = licenses.asl20;
-    maintainers = with maintainers; [ happysalada ];
-  };
-}
diff --git a/pkgs/top-level/aliases.nix b/pkgs/top-level/aliases.nix
index 24c58fc39df5..e9d3a1646008 100644
--- a/pkgs/top-level/aliases.nix
+++ b/pkgs/top-level/aliases.nix
@@ -1568,6 +1568,7 @@ mapAliases {
   transmission_3-qt = throw "transmission_3-qt has been removed in favour of transmission_4-qt. Note that upgrade caused data loss for some users so backup is recommended (see NixOS 24.11 release notes for details)"; # Added 2025-10-26
   transmission_3_noSystemd = throw "transmission_3_noSystemd has been removed in favour of transmission_4. Note that upgrade caused data loss for some users so backup is recommended (see NixOS 24.11 release notes for details)"; # Added 2025-10-26
   treefmt2 = throw "'treefmt2' has been renamed to/replaced by 'treefmt'"; # Converted to throw 2025-10-27
+  tremor-language-server = throw "'tremor-language-server' has been removed because it is unmaintained"; # Added 2025-11-17
   trenchbroom = throw "trenchbroom was removed due to numerous vulnerabilities in freeimage"; # Added 2025-10-23
   trezor_agent = throw "'trezor_agent' has been renamed to/replaced by 'trezor-agent'"; # Converted to throw 2025-10-27
   trilium-next-desktop = trilium-desktop; # Added 2025-08-30