diff --git a/pkgs/by-name/ca/caddyfile-language-server/package.nix b/pkgs/by-name/ca/caddyfile-language-server/package.nix
deleted file mode 100644
index de354fbb2d1e..000000000000
--- a/pkgs/by-name/ca/caddyfile-language-server/package.nix
+++ /dev/null
@@ -1,73 +0,0 @@
-{
-  lib,
-  stdenv,
-  fetchFromGitHub,
-  fetchPnpmDeps,
-  pnpm_8,
-  nodejs,
-  pnpmConfigHook,
-  makeBinaryWrapper,
-}:
-stdenv.mkDerivation (finalAttrs: {
-  pname = "caddyfile-language-server";
-  version = "0.4.0";
-
-  src = fetchFromGitHub {
-    owner = "caddyserver";
-    repo = "vscode-caddyfile";
-    tag = "v${finalAttrs.version}";
-    hash = "sha256-IusP9Z3e8mQ0mEhI1o1zIqPDB/i0pqlMfnt6M8bzb2w=";
-  };
-
-  pnpmWorkspaces = [ "@caddyserver/caddyfile-language-server" ];
-
-  pnpmDeps = fetchPnpmDeps {
-    inherit (finalAttrs)
-      pname
-      version
-      src
-      pnpmWorkspaces
-      ;
-    pnpm = pnpm_8;
-    fetcherVersion = 3;
-    hash = "sha256-D9kYFkmFlvg4r6vR9PHHAwF0qglHsTuRae0Z7CzDq1M=";
-  };
-
-  nativeBuildInputs = [
-    pnpm_8
-    pnpmConfigHook
-    nodejs
-    makeBinaryWrapper
-  ];
-
-  buildPhase = ''
-    runHook preBuild
-
-    pnpm --filter=@caddyserver/caddyfile-language-server run build
-
-    runHook postBuild
-  '';
-
-  installPhase = ''
-    runHook preInstall
-
-    rm -rf node_modules packages/server/node_modules
-    pnpm install --production --offline --force --filter=@caddyserver/caddyfile-language-server
-    mkdir -p $out/lib/node_modules/caddyfile-language-server/
-    mv packages/server/dist/* $out/lib/node_modules/caddyfile-language-server/
-
-    makeWrapper ${lib.getExe nodejs} $out/bin/caddyfile-language-server \
-      --add-flags "$out/lib/node_modules/caddyfile-language-server/index.js"
-
-    runHook postInstall
-  '';
-
-  meta = {
-    changelog = "https://github.com/caddyserver/vscode-caddyfile/releases/tag/v${finalAttrs.version}";
-    description = "Basic language server for caddyfile";
-    homepage = "https://github.com/caddyserver/vscode-caddyfile";
-    mainProgram = "caddyfile-language-server";
-    maintainers = with lib.maintainers; [ pyrox0 ];
-    platforms = lib.platforms.all;
-  };
-})
diff --git a/pkgs/top-level/aliases.nix b/pkgs/top-level/aliases.nix
index ccfc72823133..ef39ae22caf5 100644
--- a/pkgs/top-level/aliases.nix
+++ b/pkgs/top-level/aliases.nix
@@ -429,6 +429,7 @@ mapAliases {
   bzip2_1_1 = throw "'bzip2_1_1' has been removed as it was an unmaintained 2020 snapshot with no remaining users; use 'bzip2' instead"; # Added 2026-05-31
   bzrtp = throw "'bzrtp' has been moved to 'linphonePackages.bzrtp'"; # Added 2025-09-20
   c0 = throw "'c0' has been removed due to being broken for more than a year; see RFC 180"; # Added 2026-02-05
+  caddyfile-language-server = throw "'caddyfile-language-server' has been removed as it is unmaintained upstream"; # Added 2026-06-17
   caido = warnAlias "'caido' has been split into 'caido-cli' and 'caido-desktop'." caido-desktop; # Added 2026-03-03
   calculix = throw "'calculix' has been renamed to/replaced by 'calculix-ccx'"; # Converted to throw 2025-10-27
   calligra = throw "'calligra' has been renamed to/replaced by 'kdePackages.calligra'"; # Converted to throw 2025-10-27