diff --git a/knip.config.js b/knip.config.js
index d352630e8..783f16486 100644
--- a/knip.config.js
+++ b/knip.config.js
@@ -33,7 +33,6 @@ const config = {
       ignoreDependencies: [
         "ts-expect",
         "buffer",
-        "base64-arraybuffer-es6",
         "@yuku-core/wasm",
         "@oxc-parser/binding-wasm32-wasip1",
       ],
diff --git a/package.json b/package.json
index 728934582..b05255b46 100644
--- a/package.json
+++ b/package.json
@@ -143,7 +143,6 @@
     "@types/jsesc": "3.0.3",
     "@typescript-eslint/eslint-plugin": "8.70.1",
     "@typescript-eslint/parser": "8.70.1",
-    "base64-arraybuffer-es6": "3.1.0",
     "browserslist": "4.29.0",
     "browserslist-to-esbuild": "2.1.1",
     "buffer": "6.0.3",
diff --git a/scripts/build/packages/plugin-oxc.js b/scripts/build/packages/plugin-oxc.js
index 16cff2c0b..bc3f58a32 100644
--- a/scripts/build/packages/plugin-oxc.js
+++ b/scripts/build/packages/plugin-oxc.js
@@ -1,4 +1,3 @@
-import fs from "node:fs/promises";
 import path from "node:path";
 import { outdent } from "outdent";
 import { DIST_DIR, PACKAGES_DIRECTORY } from "../../utilities/index.js";
@@ -57,35 +56,21 @@ const mainModule = {
             module: getPackageFile(
               "@oxc-parser/binding-wasm32-wasip1/parser.wasip1-browser.js",
             ),
-            async process(text, file) {
+            process(text) {
               const wasmUrlPattern =
                 /const __wasmUrl = new URL\('(?<wasmUrl>.\/[a-z0-9.-]+\.wasm)', import\.meta\.url\)\.href(?=\n)/;
               const { wasmUrl } = text.match(wasmUrlPattern).groups;
-              const wasmFile = path.join(path.dirname(file), wasmUrl);
-              const wasmBase64String = await fs.readFile(wasmFile, "base64");
-
-              text = outdent`
-                import { decode as __decode } from "base64-arraybuffer-es6";
-
-                const __base64ToArrayBuffer = Uint8Array.fromBase64
-                  ? (string) => Uint8Array.fromBase64(string).buffer
-                  : __decode;
-
-                ${text}
-              `;
 
               text = text.replace(wasmUrlPattern, "");
               text = text.replace(
-                "const __wasmResponse = await globalThis.fetch(__wasmUrl)",
-                "const __wasmResponse = {ok: true}",
+                "const __wasmFile = await __wasmResponse.arrayBuffer()",
+                outdent`
+                  import __wasmFile from ${JSON.stringify(wasmUrl)} with {type: "bytes"};
+                `,
               );
               text = text.replace(
-                "await __wasmResponse.arrayBuffer()",
-                outdent`
-                  __base64ToArrayBuffer(
-                    /* "${wasmUrl}" */ ${JSON.stringify(wasmBase64String)}
-                  )
-                `,
+                "const __wasmResponse =",
+                "const __wasmResponse = {ok: 1} ||",
               );
 
               text = text.replace("await __rollbackWasiInitialization()", "[]");
diff --git a/yarn.lock b/yarn.lock
index e43b844fb..e81e4451e 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -3613,13 +3613,6 @@ __metadata:
   languageName: node
   linkType: hard
 
-"base64-arraybuffer-es6@npm:3.1.0":
-  version: 3.1.0
-  resolution: "base64-arraybuffer-es6@npm:3.1.0"
-  checksum: 10/a623b7e396785b67e87ee92b474506a8ba1e26b977260bd2b97fde1332973de86689018dc847a7a4b1a238b09a5b3be0b51b9d3879815c220b2171c1722f3b6f
-  languageName: node
-  linkType: hard
-
 "base64-js@npm:^1.3.1":
   version: 1.5.1
   resolution: "base64-js@npm:1.5.1"
@@ -8296,7 +8289,6 @@ __metadata:
     acorn-jsx: "npm:5.3.2"
     angular-estree-parser: "npm:15.5.0"
     angular-html-parser: "npm:10.12.0"
-    base64-arraybuffer-es6: "npm:3.1.0"
     browserslist: "npm:4.29.0"
     browserslist-to-esbuild: "npm:2.1.1"
     buffer: "npm:6.0.3"