diff --git a/tests/fixture/tailwind.config.ts b/tests/fixture/tailwind.config.ts
index 3b45e12..46684cf 100644
--- a/tests/fixture/tailwind.config.ts
+++ b/tests/fixture/tailwind.config.ts
@@ -2,7 +2,6 @@ import { type Config } from "tailwindcss";
 import { safelist } from "../../src/safelist.ts";
 
 export default {
-  darkMode: "class",
   content: [
     "{routes,islands,components}/**/*.{ts,tsx}",
   ],