diff --git a/.changeset/big-years-type.md b/.changeset/big-years-type.md
new file mode 100644
index 000000000000..bb68c4c235fa
--- /dev/null
+++ b/.changeset/big-years-type.md
@@ -0,0 +1,5 @@
+---
+'astro': patch
+---
+
+Internal: removed `shorthash`
diff --git a/packages/astro/package.json b/packages/astro/package.json
index c53ecfee25e7..6ee6b2ee89b0 100644
--- a/packages/astro/package.json
+++ b/packages/astro/package.json
@@ -122,7 +122,6 @@
     "rollup": "^2.70.2",
     "semver": "^7.3.7",
     "shiki": "^0.10.1",
-    "shorthash": "^0.0.2",
     "sirv": "^2.0.2",
     "slash": "^4.0.0",
     "sourcemap-codec": "^1.4.8",
diff --git a/packages/astro/src/@types/shorthash.d.ts b/packages/astro/src/@types/shorthash.d.ts
deleted file mode 100644
index 8dc53e6efc9c..000000000000
--- a/packages/astro/src/@types/shorthash.d.ts
+++ /dev/null
@@ -1,5 +0,0 @@
-declare module 'shorthash' {
-	function unique(string: string): string;
-
-	export default { unique };
-}
diff --git a/packages/astro/src/core/create-vite.ts b/packages/astro/src/core/create-vite.ts
index acb97c5f486a..01a8e486bb6e 100644
--- a/packages/astro/src/core/create-vite.ts
+++ b/packages/astro/src/core/create-vite.ts
@@ -24,7 +24,6 @@ const ALWAYS_EXTERNAL = new Set([
 	'node-fetch',
 	'prismjs',
 	'shiki',
-	'shorthash',
 	'unified',
 	'whatwg-url',
 ]);
diff --git a/packages/astro/src/runtime/server/index.ts b/packages/astro/src/runtime/server/index.ts
index f888a48526fa..c9df2e62b089 100644
--- a/packages/astro/src/runtime/server/index.ts
+++ b/packages/astro/src/runtime/server/index.ts
@@ -1,4 +1,3 @@
-import shorthash from 'shorthash';
 import type {
 	AstroComponentMetadata,
 	AstroGlobalPartial,
@@ -11,6 +10,7 @@ import type {
 import { escapeHTML, HTMLString, markHTMLString } from './escape.js';
 import { extractDirectives, generateHydrateScript, serializeProps } from './hydration.js';
 import { serializeListValue } from './util.js';
+import { shorthash } from './shorthash.js';
 
 export { markHTMLString, markHTMLString as unescapeHTML } from './escape.js';
 export type { Metadata } from './metadata';
@@ -300,7 +300,7 @@ If you're still stuck, please open an issue on GitHub or join us at https://astr
 	}
 
 	// Include componentExport name, componentUrl, and props in hash to dedupe identical islands
-	const astroId = shorthash.unique(
+	const astroId = shorthash(
 		`<!--${metadata.componentExport!.value}:${metadata.componentUrl}-->\n${html}\n${serializeProps(
 			props
 		)}`
diff --git a/packages/astro/src/runtime/server/shorthash.ts b/packages/astro/src/runtime/server/shorthash.ts
new file mode 100644
index 000000000000..99a691ac4e71
--- /dev/null
+++ b/packages/astro/src/runtime/server/shorthash.ts
@@ -0,0 +1,67 @@
+/**
+ * shortdash - https://github.com/bibig/node-shorthash
+ *
+ * @license
+ *
+ * (The MIT License)
+ *
+ * Copyright (c) 2013 Bibig <bibig@me.com>
+ *
+ * Permission is hereby granted, free of charge, to any person
+ * obtaining a copy of this software and associated documentation
+ * files (the "Software"), to deal in the Software without
+ * restriction, including without limitation the rights to use,
+ * copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following
+ * conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+ * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+ * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+ * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+const dictionary = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXY';
+const binary = dictionary.length;
+
+// refer to: http://werxltd.com/wp/2010/05/13/javascript-implementation-of-javas-string-hashcode-method/
+function bitwise(str: string) {
+	let hash = 0;
+	if (str.length === 0) return hash;
+	for (let i = 0; i < str.length; i++) {
+		const ch = str.charCodeAt(i);
+		hash = (hash << 5) - hash + ch;
+		hash = hash & hash; // Convert to 32bit integer
+	}
+	return hash;
+}
+
+export function shorthash(text: string) {
+	let num: number;
+	let result = '';
+
+	let integer = bitwise(text);
+	const sign = integer < 0 ? 'Z' : ''; // It it's negative, start with Z, which isn't in the dictionary
+
+	integer = Math.abs(integer);
+
+	while (integer >= binary) {
+		num = integer % binary;
+		integer = Math.floor(integer / binary);
+		result = dictionary[num] + result;
+	}
+
+	if (integer > 0) {
+		result = dictionary[integer] + result;
+	}
+
+	return sign + result;
+}
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 18f908f2c83f..92c0483befcf 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -530,7 +530,6 @@ importers:
       sass: ^1.50.1
       semver: ^7.3.7
       shiki: ^0.10.1
-      shorthash: ^0.0.2
       sirv: ^2.0.2
       slash: ^4.0.0
       sourcemap-codec: ^1.4.8
@@ -590,7 +589,6 @@ importers:
       rollup: 2.70.2
       semver: 7.3.7
       shiki: 0.10.1
-      shorthash: 0.0.2
       sirv: 2.0.2
       slash: 4.0.0
       sourcemap-codec: 1.4.8
@@ -9271,10 +9269,6 @@ packages:
       vscode-textmate: 5.2.0
     dev: false
 
-  /shorthash/0.0.2:
-    resolution: {integrity: sha1-WbJo7sveWQOLMNogK8+93rLEpOs=}
-    dev: false
-
   /side-channel/1.0.4:
     resolution: {integrity: sha512-q5XPytqFEIKHkGdiMIrY10mvLRvnQh42/+GoBlFW3b2LXLE2xxJpZFdm94we0BaoV3RwJyGqg5wS7epxTv0Zvw==}
     dependencies: