diff --git a/packages/starlight/vitest.config.ts b/packages/starlight/vitest.config.ts
index 89e62f696fd..48f9c515196 100644
--- a/packages/starlight/vitest.config.ts
+++ b/packages/starlight/vitest.config.ts
@@ -17,6 +17,9 @@ const defaultCoverageExcludes = [
 
 export default defineConfig({
 	test: {
+		watchExclude: [
+			'__test__/e2e/tmp/**',
+		],
 		coverage: {
 			all: true,
 			reportsDirectory: './__coverage__',