diff --git a/template/src/utils/sleep.tsx b/template/src/utils/sleep.tsx
deleted file mode 100644
index 8a68014..0000000
--- a/template/src/utils/sleep.tsx
+++ /dev/null
@@ -1,3 +0,0 @@
-/* istanbul ignore file */
-export const sleep = (t = Math.random() * 200 + 300) =>
-  new Promise(resolve => setTimeout(resolve, t));