diff --git a/pkgs/by-name/de/deno/fetchers.nix b/pkgs/by-name/de/deno/fetchers.nix
deleted file mode 100644
index cde3418ee764..000000000000
--- a/pkgs/by-name/de/deno/fetchers.nix
+++ /dev/null
@@ -1,21 +0,0 @@
-# not a stable interface, do not reference outside the deno package but make a
-# copy if you need
-{
-  lib,
-  stdenv,
-  fetchurl,
-}:
-
-{
-  fetchLibrustyV8 =
-    args:
-    fetchurl {
-      name = "librusty_v8-${args.version}";
-      url = "https://github.com/denoland/rusty_v8/releases/download/v${args.version}/librusty_v8_simdutf_release_${stdenv.hostPlatform.rust.rustcTarget}.a.gz";
-      sha256 = args.shas.${stdenv.hostPlatform.system};
-      meta = {
-        inherit (args) version;
-        sourceProvenance = with lib.sourceTypes; [ binaryNativeCode ];
-      };
-    };
-}
diff --git a/pkgs/by-name/de/deno/update/librusty_v8.ts b/pkgs/by-name/de/deno/update/librusty_v8.ts
deleted file mode 100644
index 8c02d1a63d22..000000000000
--- a/pkgs/by-name/de/deno/update/librusty_v8.ts
+++ /dev/null
@@ -1,74 +0,0 @@
-import * as toml from "jsr:@std/toml@1.0.1";
-import { getExistingVersion, logger, run, write } from "./common.ts";
-
-const log = logger("librusty_v8");
-
-export interface Architecture {
-  nix: string;
-  rust: string;
-}
-interface PrefetchResult {
-  arch: Architecture;
-  sha256: string;
-}
-
-const getCargoLock = async (
-  owner: string,
-  repo: string,
-  version: string,
-) =>
-  fetch(`https://github.com/${owner}/${repo}/raw/${version}/Cargo.lock`)
-    .then((res) => res.text())
-    .then((txt) => toml.parse(txt));
-
-const fetchArchShaTasks = (version: string, arches: Architecture[]) =>
-  arches.map(
-    async (arch: Architecture): Promise<PrefetchResult> => {
-      log("Fetching:", arch.nix);
-      const sha256 = await run("nix-prefetch-url", [
-        `https://github.com/denoland/rusty_v8/releases/download/v${version}/librusty_v8_simdutf_release_${arch.rust}.a.gz`
-      ]);
-      const sha256_sri = await run("nix-hash", ["--type", "sha256", "--to-sri", sha256]);
-      log("Done:    ", arch.nix);
-      return { arch, sha256: sha256_sri };
-    },
-  );
-
-const templateDeps = (version: string, deps: PrefetchResult[]) =>
-  `# auto-generated file -- DO NOT EDIT!
-{ fetchLibrustyV8 }:
-
-fetchLibrustyV8 {
-  version = "${version}";
-  shas = {
-${deps.map(({ arch, sha256 }) => `    ${arch.nix} = "${sha256}";`).join("\n")}
-  };
-}
-`;
-
-export async function updateLibrustyV8(
-  filePath: string,
-  owner: string,
-  repo: string,
-  denoVersion: string,
-  arches: Architecture[],
-) {
-  log("Starting librusty_v8 update");
-  // 0.0.0
-  const cargoLockData = await getCargoLock(owner, repo, denoVersion);
-  console.log(cargoLockData);
-  const packageItem = cargoLockData.package.find(({ name }) => name === "v8");
-  const version = packageItem.version;
-  if (typeof version !== "string") {
-    throw "no librusty_v8 version";
-  }
-  log("librusty_v8 version:", version);
-  const existingVersion = await getExistingVersion(filePath);
-  if (version === existingVersion) {
-    log("Version already matches latest, skipping...");
-    return;
-  }
-  const archShaResults = await Promise.all(fetchArchShaTasks(version, arches));
-  await write(filePath, templateDeps(version, archShaResults));
-  log("Finished deps update");
-}