diff --git a/packages/better-auth/vitest.config.ts b/packages/better-auth/vitest.config.ts
index 43267086dd..9b231fc614 100644
--- a/packages/better-auth/vitest.config.ts
+++ b/packages/better-auth/vitest.config.ts
@@ -2,7 +2,6 @@ import { defineConfig } from "vitest/config";
 
 export default defineConfig({
 	test: {
-		setupFiles: ["./vitest.setup.ts"],
 		poolOptions: {
 			forks: {
 				execArgv: ["--expose-gc"],
diff --git a/packages/better-auth/vitest.setup.ts b/packages/better-auth/vitest.setup.ts
deleted file mode 100644
index 99d91b5fa8..0000000000
--- a/packages/better-auth/vitest.setup.ts
+++ /dev/null
@@ -1,7 +0,0 @@
-if (
-	typeof globalThis.localStorage !== "undefined" &&
-	+process.versions.node.split(".")[0]! >= 25
-) {
-	// @ts-expect-error
-	globalThis.localStorage = undefined;
-}