diff --git a/Build/lib/fetch-assets.ts b/Build/lib/fetch-assets.ts
index bd3804aa..7b2b97f6 100644
--- a/Build/lib/fetch-assets.ts
+++ b/Build/lib/fetch-assets.ts
@@ -43,19 +43,15 @@ export const sleepWithAbort = (ms: number, signal: AbortSignal) => new Promise<v
 export async function fetchAssets(url: string, fallbackUrls: string[] | readonly string[]) {
   const controller = new AbortController();
 
-  const fetchMainPromise = fetchWithRetry(url, { signal: controller.signal, ...defaultRequestInit })
-    .then(r => r.text())
-    .then(text => {
-      controller.abort();
-      return text;
-    });
   const createFetchFallbackPromise = async (url: string, index: number) => {
+    if (index > 0) {
     // Most assets can be downloaded within 250ms. To avoid wasting bandwidth, we will wait for 500ms before downloading from the fallback URL.
-    try {
-      await sleepWithAbort(500 + (index + 1) * 10, controller.signal);
-    } catch {
-      console.log(picocolors.gray('[fetch cancelled early]'), picocolors.gray(url));
-      throw new CustomAbortError();
+      try {
+        await sleepWithAbort(500 + (index + 1) * 10, controller.signal);
+      } catch {
+        console.log(picocolors.gray('[fetch cancelled early]'), picocolors.gray(url));
+        throw new CustomAbortError();
+      }
     }
     if (controller.signal.aborted) {
       console.log(picocolors.gray('[fetch cancelled]'), picocolors.gray(url));
@@ -68,10 +64,7 @@ export async function fetchAssets(url: string, fallbackUrls: string[] | readonly
   };
 
   return Promise.any([
-    fetchMainPromise,
+    createFetchFallbackPromise(url, -1),
     ...fallbackUrls.map(createFetchFallbackPromise)
-  ]).catch(e => {
-    console.log(`Download Rule for [${url}] failed`);
-    throw e;
-  });
+  ]);
 }
diff --git a/Build/lib/fetch-retry.ts b/Build/lib/fetch-retry.ts
index af73f343..3c570167 100644
--- a/Build/lib/fetch-retry.ts
+++ b/Build/lib/fetch-retry.ts
@@ -2,10 +2,6 @@ import retry from 'async-retry';
 import picocolors from 'picocolors';
 import { setTimeout } from 'node:timers/promises';
 
-import { setGlobalDispatcher, EnvHttpProxyAgent } from 'undici';
-
-setGlobalDispatcher(new EnvHttpProxyAgent({ allowH2: true }));
-
 function isClientError(err: unknown): err is NodeJS.ErrnoException {
   if (!err || typeof err !== 'object') return false;
 
diff --git a/package.json b/package.json
index 97891b46..546e5296 100644
--- a/package.json
+++ b/package.json
@@ -38,7 +38,6 @@
     "tar-fs": "^3.0.6",
     "tldts": "^6.1.50",
     "tldts-experimental": "^6.1.50",
-    "undici": "^6.20.0",
     "wtfnode": "^0.9.3",
     "yaml": "^2.5.1"
   },
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 63a35aba..5f512bcc 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -65,9 +65,6 @@ importers:
       tldts-experimental:
         specifier: ^6.1.50
         version: 6.1.50
-      undici:
-        specifier: ^6.20.0
-        version: 6.20.0
       wtfnode:
         specifier: ^0.9.3
         version: 0.9.3
@@ -1480,10 +1477,6 @@ packages:
   undici-types@5.26.5:
     resolution: {integrity: sha512-JlCMO+ehdEIKqlFxk6IfVoAUVmgz7cU7zD/h9XZ0qzeosSHmUJVOzSQvvYSYWXkFXC+IfLKSIffhv0sVZup6pA==}
 
-  undici@6.20.0:
-    resolution: {integrity: sha512-AITZfPuxubm31Sx0vr8bteSalEbs9wQb/BOBi9FPlD9Qpd6HxZ4Q0+hI742jBhkPb4RT2v5MQzaW5VhRVyj+9A==}
-    engines: {node: '>=18.17'}
-
   uri-js@4.4.1:
     resolution: {integrity: sha512-7rKUyy33Q1yc98pQ1DAmLtwX109F7TIfWlW1Ydo8Wl1ii1SeHieeh0HHfPeL2fMXK6z0s8ecKs9frCuLJvndBg==}
 
@@ -2978,8 +2971,6 @@ snapshots:
 
   undici-types@5.26.5: {}
 
-  undici@6.20.0: {}
-
   uri-js@4.4.1:
     dependencies:
       punycode: 2.3.1