diff --git a/.changeset/chatty-walls-happen.md b/.changeset/chatty-walls-happen.md
new file mode 100644
index 000000000..58fe5e6ed
--- /dev/null
+++ b/.changeset/chatty-walls-happen.md
@@ -0,0 +1,5 @@
+---
+'astro': patch
+---
+
+Fixed a case where dynamic imports tried to preload inlined stylesheets.
diff --git a/.changeset/fair-countries-admire.md b/.changeset/fair-countries-admire.md
new file mode 100644
index 000000000..1868ab016
--- /dev/null
+++ b/.changeset/fair-countries-admire.md
@@ -0,0 +1,5 @@
+---
+'@astrojs/svelte': patch
+---
+
+Removed vite warnings.
diff --git a/.eslintrc.cjs b/.eslintrc.cjs
index 2e31d2fa7..9a6436767 100644
--- a/.eslintrc.cjs
+++ b/.eslintrc.cjs
@@ -13,7 +13,7 @@ module.exports = {
   rules: {
     // These off/configured-differently-by-default rules fit well for us
     '@typescript-eslint/array-type': ['error', { default: 'array-simple' }],
-    '@typescript-eslint/no-unused-vars': ['error', { ignoreRestSiblings: true }],
+    '@typescript-eslint/no-unused-vars': ['error', { argsIgnorePattern: "^_", ignoreRestSiblings: true }],
     'no-only-tests/no-only-tests': 'error',
     '@typescript-eslint/no-shadow': ['error'],
     'no-console': 'warn',
diff --git a/packages/astro/src/core/app/index.ts b/packages/astro/src/core/app/index.ts
index a3af4bcdd..1c0b13148 100644
--- a/packages/astro/src/core/app/index.ts
+++ b/packages/astro/src/core/app/index.ts
@@ -121,8 +121,6 @@ export class App {
 		}
 		return pathname;
 	}
-	// Disable no-unused-vars to avoid breaking signature change
-	// eslint-disable-next-line @typescript-eslint/no-unused-vars
 	match(request: Request, _opts: MatchOptions = {}): RouteData | undefined {
 		const url = new URL(request.url);
 		// ignore requests matching public assets
diff --git a/packages/astro/src/core/build/plugins/plugin-css.ts b/packages/astro/src/core/build/plugins/plugin-css.ts
index 87b52cbdb..b72acd27e 100644
--- a/packages/astro/src/core/build/plugins/plugin-css.ts
+++ b/packages/astro/src/core/build/plugins/plugin-css.ts
@@ -200,7 +200,7 @@ function rollupPluginAstroBuildCSS(options: PluginOptions): VitePlugin[] {
 			const inlineConfig = settings.config.build.inlineStylesheets;
 			const { assetsInlineLimit = 4096 } = settings.config.vite?.build ?? {};
 
-			Object.entries(bundle).forEach(([id, stylesheet]) => {
+			Object.entries(bundle).forEach(([_, stylesheet]) => {
 				if (
 					stylesheet.type !== 'asset' ||
 					stylesheet.name?.endsWith('.css') !== true ||
@@ -217,8 +217,6 @@ function rollupPluginAstroBuildCSS(options: PluginOptions): VitePlugin[] {
 						? false
 						: assetSize <= assetsInlineLimit;
 
-				if (toBeInlined) delete bundle[id];
-
 				// there should be a single js object for each stylesheet,
 				// allowing the single reference to be shared and checked for duplicates
 				const sheet: StylesheetAsset = toBeInlined
diff --git a/packages/astro/test/css-dangling-references.test.js b/packages/astro/test/css-dangling-references.test.js
new file mode 100644
index 000000000..4f3c6e77d
--- /dev/null
+++ b/packages/astro/test/css-dangling-references.test.js
@@ -0,0 +1,36 @@
+import { expect } from 'chai';
+import { loadFixture } from './test-utils.js';
+
+const cssAssetReferenceRegExp = /_astro\/[A-Za-z0-9\-]+\.[a0-9a-f]{8}\.css/g
+
+describe("When Vite's preloadModule polyfill is used", async () => {
+
+    let fixture;
+
+	before(async () => {
+		fixture = await loadFixture({
+            root: './fixtures/css-dangling-references/'
+        });
+		await fixture.build();
+	});
+
+    it('there are no references to deleted CSS chunks', async () => {
+        
+        const fileNames = await fixture.readdir('/_astro/')
+        const filePaths = fileNames.map(filename => '_astro/' + filename)
+        
+        const expectations = 
+            filePaths
+            .filter(filePath => filePath.endsWith('js'))
+            .map(async filePath => {
+                const contents = await fixture.readFile(filePath)
+                const cssReferences = contents.match(cssAssetReferenceRegExp)
+                
+                if (cssReferences === null) return
+                
+                expect(filePaths).to.contain.members(cssReferences, filePath + ' contains a reference to a deleted css asset: ' + cssReferences)
+            })
+        
+        await Promise.all(expectations)
+    })
+})
\ No newline at end of file
diff --git a/packages/astro/test/fixtures/css-dangling-references/astro.config.ts b/packages/astro/test/fixtures/css-dangling-references/astro.config.ts
new file mode 100644
index 000000000..5c49c2fd0
--- /dev/null
+++ b/packages/astro/test/fixtures/css-dangling-references/astro.config.ts
@@ -0,0 +1,8 @@
+import { defineConfig } from 'astro/config';
+import svelte from '@astrojs/svelte';
+
+// https://astro.build/config
+export default defineConfig({
+    integrations: [svelte()],
+});
+
diff --git a/packages/astro/test/fixtures/css-dangling-references/package.json b/packages/astro/test/fixtures/css-dangling-references/package.json
new file mode 100644
index 000000000..9ac28d282
--- /dev/null
+++ b/packages/astro/test/fixtures/css-dangling-references/package.json
@@ -0,0 +1,11 @@
+{
+    "name": "@test/css-dangling-references",
+    "version": "0.0.0",
+    "private": true,
+    "dependencies": {
+      "astro": "workspace:*",
+      "@astrojs/svelte": "workspace:*",
+      "svelte": "4"
+    }
+  }
+  
\ No newline at end of file
diff --git a/packages/astro/test/fixtures/css-dangling-references/src/components/DynamicallyImportedComponent1.svelte b/packages/astro/test/fixtures/css-dangling-references/src/components/DynamicallyImportedComponent1.svelte
new file mode 100644
index 000000000..3ac8a03af
--- /dev/null
+++ b/packages/astro/test/fixtures/css-dangling-references/src/components/DynamicallyImportedComponent1.svelte
@@ -0,0 +1,6 @@
+<style>
+  h1 {
+    background-color: gold;
+  }
+</style>
+<h1>This sentence should have a gold background.</h1>
diff --git a/packages/astro/test/fixtures/css-dangling-references/src/components/DynamicallyImportedComponent2.svelte b/packages/astro/test/fixtures/css-dangling-references/src/components/DynamicallyImportedComponent2.svelte
new file mode 100644
index 000000000..7c344f93d
--- /dev/null
+++ b/packages/astro/test/fixtures/css-dangling-references/src/components/DynamicallyImportedComponent2.svelte
@@ -0,0 +1,6 @@
+<style>
+  p {
+    background-color: lavender;
+  }
+</style>
+<p>This sentence should have a lavender background color.</p>
diff --git a/packages/astro/test/fixtures/css-dangling-references/src/components/Wrapper.svelte b/packages/astro/test/fixtures/css-dangling-references/src/components/Wrapper.svelte
new file mode 100644
index 000000000..083040742
--- /dev/null
+++ b/packages/astro/test/fixtures/css-dangling-references/src/components/Wrapper.svelte
@@ -0,0 +1,15 @@
+<script>
+
+  export let path
+  
+  const allAppModules = import.meta.glob('./*.svelte')  
+  
+  const AppModule = Object.entries(allAppModules).find(
+    ([key]) => key.includes(path)
+  )[1]
+
+</script>
+
+{#await AppModule() then Mod}
+    <Mod.default />
+{/await}
diff --git a/packages/astro/test/fixtures/css-dangling-references/src/pages/glob-import-1.astro b/packages/astro/test/fixtures/css-dangling-references/src/pages/glob-import-1.astro
new file mode 100644
index 000000000..847f9fddb
--- /dev/null
+++ b/packages/astro/test/fixtures/css-dangling-references/src/pages/glob-import-1.astro
@@ -0,0 +1,4 @@
+---
+import Wrapper from "../components/Wrapper.svelte"
+---
+<Wrapper path="1" client:load/>
diff --git a/packages/astro/test/fixtures/css-dangling-references/src/pages/glob-import-2.astro b/packages/astro/test/fixtures/css-dangling-references/src/pages/glob-import-2.astro
new file mode 100644
index 000000000..b98c4ef41
--- /dev/null
+++ b/packages/astro/test/fixtures/css-dangling-references/src/pages/glob-import-2.astro
@@ -0,0 +1,5 @@
+---
+import Wrapper from "../components/Wrapper.svelte"
+---
+<Wrapper path="2" client:load/>
+
diff --git a/packages/astro/test/fixtures/css-inline-stylesheets/package.json b/packages/astro/test/fixtures/css-inline-stylesheets/package.json
index 0d4a8617d..36ae34050 100644
--- a/packages/astro/test/fixtures/css-inline-stylesheets/package.json
+++ b/packages/astro/test/fixtures/css-inline-stylesheets/package.json
@@ -1,5 +1,5 @@
 {
-  "name": "@test/css-inline-stylesheets-always",
+  "name": "@test/css-inline-stylesheets",
   "version": "0.0.0",
   "private": true,
   "dependencies": {
diff --git a/packages/integrations/svelte/src/index.ts b/packages/integrations/svelte/src/index.ts
index ab87a59b2..a9d4f37c9 100644
--- a/packages/integrations/svelte/src/index.ts
+++ b/packages/integrations/svelte/src/index.ts
@@ -17,7 +17,8 @@ async function svelteConfigHasPreprocess(root: URL) {
 	for (const file of svelteConfigFiles) {
 		const filePath = fileURLToPath(new URL(file, root));
 		try {
-			const config = (await import(filePath)).default;
+			// Suppress warnings by vite: "The above dynamic import cannot be analyzed by Vite."
+			const config = (await import(/* @vite-ignore */ filePath)).default;
 			return !!config.preprocess;
 		} catch {}
 	}
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 9efde9900..43b0c149e 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -2437,6 +2437,18 @@ importers:
 
   packages/astro/test/fixtures/css-assets/packages/font-awesome: {}
 
+  packages/astro/test/fixtures/css-dangling-references:
+    dependencies:
+      '@astrojs/svelte':
+        specifier: workspace:*
+        version: link:../../../../integrations/svelte
+      astro:
+        specifier: workspace:*
+        version: link:../../..
+      svelte:
+        specifier: '4'
+        version: 4.2.0
+
   packages/astro/test/fixtures/css-import-as-inline:
     dependencies:
       astro: