diff --git a/util/index.ts b/util/index.ts
index 737096e7..a9165729 100644
--- a/util/index.ts
+++ b/util/index.ts
@@ -410,9 +410,6 @@ const itemsFromMessage = (str: string) => {
     .filter(e => !!e);
 };
 
-// Check if a number is int
-const isInt = (n: number) => Number(n) === n;
-
 // Check if a number is float
 const isFloat = (n: number) => typeof n === 'number' && !Number.isInteger(n);
 
@@ -497,7 +494,6 @@ export {
   isDisputeSolver,
   getFee,
   itemsFromMessage,
-  isInt,
   isFloat,
   getLanguageFlag,
   delay,