diff --git a/public/javascript/utils.js b/public/javascript/utils.js
deleted file mode 100644
index e8964e2..0000000
--- a/public/javascript/utils.js
+++ /dev/null
@@ -1,3 +0,0 @@
-function formatNumberWithSpaces(num) {
-  return num.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ' ');
-}
diff --git a/src/front/pages/offers.js b/src/front/pages/offers.js
index b619ab0..e85add2 100644
--- a/src/front/pages/offers.js
+++ b/src/front/pages/offers.js
@@ -1,4 +1,8 @@
 function offersPage() {
+  function formatNumberWithSpaces(num) {
+    return num.toString().replace(/\B(?=(\d{3})+(?!\d))/g, ' ');
+  }
+
   const buttonStartCreateOffer = document.getElementById(
     'button-start-create-offer'
   );