diff --git a/webapp/src/pages/Calculadora/Calculadora.test.js b/webapp/src/pages/Calculadora/Calculadora.test.js
index 89f551e4..4b3053a4 100644
--- a/webapp/src/pages/Calculadora/Calculadora.test.js
+++ b/webapp/src/pages/Calculadora/Calculadora.test.js
@@ -40,7 +40,7 @@ test("handles correct answer", async () => {
   );
 
   // Get the initial operation
-  var initialOperation = screen.getByText(
+  let initialOperation = screen.getByText(
     /(\d+)\s*([-+*/])\s*(\d+)/
   ).textContent;
   initialOperation = initialOperation.split("=")[0];
@@ -54,7 +54,7 @@ test("handles correct answer", async () => {
   fireEvent.click(submitButton);
 
   // Check if the score has increased
-  var updatedScore = parseInt(
+  let updatedScore = parseInt(
     screen
       .getByText(/puntuación: (\d+)/i)
       .textContent.split(":")[1]
@@ -63,7 +63,7 @@ test("handles correct answer", async () => {
   expect(updatedScore).toBe(initialScore + 1);
 
   // Get next operation
-  var nextOperation = screen.getByText(/(\d+)\s*([-+*/])\s*(\d+)/).textContent;
+  let nextOperation = screen.getByText(/(\d+)\s*([-+*/])\s*(\d+)/).textContent;
   nextOperation = nextOperation.split("=")[0];
 
   // Enter the correct answer and submit
diff --git a/webapp/src/pages/Config/Config.test.js b/webapp/src/pages/Config/Config.test.js
index fc4482b7..d7d29d70 100644
--- a/webapp/src/pages/Config/Config.test.js
+++ b/webapp/src/pages/Config/Config.test.js
@@ -1,5 +1,5 @@
 import React from "react";
-import { render, screen, fireEvent } from "@testing-library/react";
+import { render, screen } from "@testing-library/react";
 import "@testing-library/jest-dom/extend-expect";
 import Config from "./Config";
 import { BrowserRouter as Router } from "react-router-dom";