diff --git a/types/micro-cors/micro-cors-tests.ts b/types/micro-cors/micro-cors-tests.ts
index ec5ddd8928..b69b157c03 100644
--- a/types/micro-cors/micro-cors-tests.ts
+++ b/types/micro-cors/micro-cors-tests.ts
@@ -14,10 +14,5 @@ cors({
 });
 
 handler(async (req, res) => {});
-handler(async (req, res) => 'data');
-
 handler((req, res) => {});
-handler((req, res) => Promise.resolve('data'));
-handler((req, res) => 'data');
-
 micro(handler((req, res) => {}));