diff --git a/packages/astro/src/@types/serialize-javascript.d.ts b/packages/astro/src/@types/serialize-javascript.d.ts
deleted file mode 100644
index 35ee081b2f5b..000000000000
--- a/packages/astro/src/@types/serialize-javascript.d.ts
+++ /dev/null
@@ -1,3 +0,0 @@
-declare module 'serialize-javascript' {
-	export default function serialize(value: any): string;
-}
diff --git a/packages/astro/src/core/create-vite.ts b/packages/astro/src/core/create-vite.ts
index eca7cd2646e6..acb97c5f486a 100644
--- a/packages/astro/src/core/create-vite.ts
+++ b/packages/astro/src/core/create-vite.ts
@@ -21,7 +21,6 @@ const ALWAYS_EXTERNAL = new Set([
 	...builtinModules.map((name) => `node:${name}`),
 	'@sveltejs/vite-plugin-svelte',
 	'micromark-util-events-to-acorn',
-	'serialize-javascript',
 	'node-fetch',
 	'prismjs',
 	'shiki',
@@ -91,13 +90,6 @@ export async function createVite(
 		css: {
 			postcss: astroConfig.style.postcss || {},
 		},
-		resolve: {
-			alias: {
-				// This is needed for Deno compatibility, as the non-browser version
-				// of this module depends on Node `crypto`
-				randombytes: 'randombytes/browser',
-			},
-		},
 		// Note: SSR API is in beta (https://vitejs.dev/guide/ssr.html)
 		ssr: {
 			external: [...ALWAYS_EXTERNAL],