diff --git a/.changeset/famous-bobcats-vanish.md b/.changeset/famous-bobcats-vanish.md
new file mode 100644
index 000000000000..873cea592eb8
--- /dev/null
+++ b/.changeset/famous-bobcats-vanish.md
@@ -0,0 +1,5 @@
+---
+'astro': patch
+---
+
+Adds source file properties to HTML elements only if devToolbar is enabled
diff --git a/packages/astro/src/core/compile/compile.ts b/packages/astro/src/core/compile/compile.ts
index c2f58fb9f859..97625f021a55 100644
--- a/packages/astro/src/core/compile/compile.ts
+++ b/packages/astro/src/core/compile/compile.ts
@@ -10,10 +10,12 @@ import { AggregateError, CompilerError } from '../errors/errors.js';
 import { AstroErrorData } from '../errors/index.js';
 import { resolvePath } from '../util.js';
 import { createStylePreprocessor } from './style.js';
+import type { AstroPreferences } from '../../preferences/index.js';
 
 export interface CompileProps {
 	astroConfig: AstroConfig;
 	viteConfig: ResolvedConfig;
+	preferences: AstroPreferences;
 	filename: string;
 	source: string;
 }
@@ -26,6 +28,7 @@ export interface CompileResult extends TransformResult {
 export async function compile({
 	astroConfig,
 	viteConfig,
+	preferences,
 	filename,
 	source,
 }: CompileProps): Promise<CompileResult> {
@@ -48,7 +51,10 @@ export async function compile({
 			resultScopedSlot: true,
 			transitionsAnimationURL: 'astro/components/viewtransitions.css',
 			annotateSourceFile:
-				viteConfig.command === 'serve' && astroConfig.devToolbar && astroConfig.devToolbar.enabled,
+				viteConfig.command === 'serve' &&
+				astroConfig.devToolbar &&
+				astroConfig.devToolbar.enabled &&
+				(await preferences.get('devToolbar.enabled')),
 			preprocessStyle: createStylePreprocessor({
 				filename,
 				viteConfig,
diff --git a/packages/astro/src/vite-plugin-astro/index.ts b/packages/astro/src/vite-plugin-astro/index.ts
index 2aa6236ffe95..d02d78d6ae6a 100644
--- a/packages/astro/src/vite-plugin-astro/index.ts
+++ b/packages/astro/src/vite-plugin-astro/index.ts
@@ -139,6 +139,7 @@ export default function astro({ settings, logger }: AstroPluginOptions): vite.Pl
 			const compileProps: CompileProps = {
 				astroConfig: config,
 				viteConfig: resolvedConfig,
+				preferences: settings.preferences,
 				filename: normalizePath(parsedId.filename),
 				source,
 			};
@@ -179,6 +180,7 @@ export default function astro({ settings, logger }: AstroPluginOptions): vite.Pl
 				cachedCompilation({
 					astroConfig: config,
 					viteConfig: resolvedConfig,
+					preferences: settings.preferences,
 					filename,
 					source,
 				});