diff --git a/packages/angular/build/src/builders/unit-test/runners/vitest/plugins.ts b/packages/angular/build/src/builders/unit-test/runners/vitest/plugins.ts
index 22c5993eabe2..666bfcc260af 100644
--- a/packages/angular/build/src/builders/unit-test/runners/vitest/plugins.ts
+++ b/packages/angular/build/src/builders/unit-test/runners/vitest/plugins.ts
@@ -114,15 +114,6 @@ export async function createVitestConfigPlugin(
         delete config.plugins;
       }
 
-      // Add browser source map support if coverage is enabled
-      if (
-        (browser || testConfig?.browser?.enabled) &&
-        (options.coverage.enabled || testConfig?.coverage?.enabled)
-      ) {
-        projectPlugins.unshift(createSourcemapSupportPlugin());
-        setupFiles.unshift('virtual:source-map-support');
-      }
-
       const projectResolver = createRequire(projectSourceRoot + '/').resolve;
 
       const projectDefaults: UserWorkspaceConfig = {
@@ -276,7 +267,7 @@ export function createVitestPlugins(pluginOptions: PluginOptions): VitestPlugins
 
           const map = sourceMapText ? JSON.parse(sourceMapText) : undefined;
           if (map) {
-            adjustSourcemapSources(map, !vitestConfig?.coverage?.enabled, workspaceRoot, id);
+            adjustSourcemapSources(map, true, workspaceRoot, id);
           }
 
           return {
@@ -343,36 +334,6 @@ function adjustSourcemapSources(
   }
 }
 
-function createSourcemapSupportPlugin(): VitestPlugins[0] {
-  return {
-    name: 'angular:source-map-support',
-    enforce: 'pre',
-    resolveId(source) {
-      if (source.includes('virtual:source-map-support')) {
-        return '\0source-map-support';
-      }
-    },
-    async load(id) {
-      if (id !== '\0source-map-support') {
-        return;
-      }
-
-      const packageResolve = createRequire(__filename).resolve;
-      const supportPath = packageResolve('source-map-support/browser-source-map-support.js');
-
-      const content = await readFile(supportPath, 'utf-8');
-
-      // The `source-map-support` library currently relies on `this` being defined in the global scope.
-      // However, when running in an ESM environment, `this` is undefined.
-      // To workaround this, we patch the library to use `globalThis` instead of `this`.
-      return (
-        content.replaceAll(/this\.(define|sourceMapSupport|base64js)/g, 'globalThis.$1') +
-        '\n;globalThis.sourceMapSupport.install();'
-      );
-    },
-  };
-}
-
 async function generateCoverageOption(
   optionsCoverage: NormalizedUnitTestBuilderOptions['coverage'],
   configCoverage: VitestCoverageOption | undefined,
diff --git a/tests/e2e/tests/vitest/browser-sourcemaps.ts b/tests/e2e/tests/vitest/browser-sourcemaps.ts
index 90c04457c7c8..f272d3dbd49d 100644
--- a/tests/e2e/tests/vitest/browser-sourcemaps.ts
+++ b/tests/e2e/tests/vitest/browser-sourcemaps.ts
@@ -7,6 +7,7 @@ import { stripVTControlCharacters } from 'node:util';
 
 export default async function (): Promise<void> {
   await applyVitestBuilder();
+  await installPackage('@vitest/coverage-v8');
   await installPackage('playwright@1');
   await installPackage('@vitest/browser-playwright@4');
   await ng('generate', 'component', 'my-comp');
@@ -37,4 +38,20 @@ export default async function (): Promise<void> {
       'Expected stack trace to point to the source file.',
     );
   }
+
+  // Again but with coverage
+  try {
+    await noSilentNg('test', '--no-watch', '--coverage', '--browsers', 'chromiumHeadless');
+    throw new Error('Expected "ng test" to fail.');
+  } catch (error: any) {
+    const stdout = stripVTControlCharacters(error.stdout || error.message);
+    // We expect the failure from failing.spec.ts
+    assert.match(stdout, /1 failed/, 'Expected 1 test to fail.');
+    // Check that the stack trace points to the correct file
+    assert.match(
+      stdout,
+      /\bsrc[\/\\]app[\/\\]failing\.spec\.ts:4:\d+/,
+      'Expected stack trace to point to the source file.',
+    );
+  }
 }