diff --git a/js/utils.js b/js/utils.js
index 4f12699266a5d314939830e8f09c1789c1327649..09a51932aa4f3a140d97b20ffaa438b2eb55386e 100644
--- a/js/utils.js
+++ b/js/utils.js
@@ -13,14 +13,6 @@ function jsDef(x) {
 	return !(typeof x === "undefined" || x === null || x === undefined);
 }
 
-/**
- * @param {number} n
- * @returns {boolean}
- */
-function isFloat(n) {
-	return Number.isFinite(n) && Math.floor(n) !== n;
-}
-
 /**
  * Determines if a is between low and high
  * @param {number} a