diff --git a/webapp/src/pages/Calculadora/Calculadora.test.js b/webapp/src/pages/Calculadora/Calculadora.test.js
index 89f551e4..2c10ee34 100644
--- a/webapp/src/pages/Calculadora/Calculadora.test.js
+++ b/webapp/src/pages/Calculadora/Calculadora.test.js
@@ -1,5 +1,5 @@
 import React from "react";
-import { render, screen, fireEvent, waitFor } from "@testing-library/react";
+import { render, screen, fireEvent } from "@testing-library/react";
 import CalculadoraHumana from "./Calculadora";
 import { MemoryRouter } from "react-router-dom";
 import { I18nextProvider } from "react-i18next";
@@ -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
@@ -79,9 +79,7 @@ test("handles correct answer", async () => {
   );
   expect(updatedScore).toBe(initialScore + 2);
 
-  await setTimeout(() => {
-
-  }, 1000);
+  await setTimeout(() => {}, 1000);
 });
 
 test("handles incorrect answer", () => {
@@ -135,7 +133,7 @@ test("handles game over", async () => {
       .textContent.split(":")[1]
       .trim()
   );
-  
+
   // Get the input field and submit button
   const inputField = screen.getByTitle(/number/i);
   const submitButton = screen.getByRole("button", { name: /enviar/i });
@@ -156,11 +154,10 @@ test("handles game over", async () => {
       .getByText(/puntuación: (\d+)/i)
       .textContent.split(":")[1]
       .trim()
-  ); 
+  );
   expect(updatedScore).toBe(initialScore);
-  
+
   await setTimeout(() => {
     screen.getByText(/jugar de nuevo/i).click();
   }, 1000);
-  
 });
diff --git a/webapp/src/pages/Clasico/Clasico.js b/webapp/src/pages/Clasico/Clasico.js
index 4803c356..194c2344 100644
--- a/webapp/src/pages/Clasico/Clasico.js
+++ b/webapp/src/pages/Clasico/Clasico.js
@@ -128,12 +128,10 @@ const JuegoPreguntas = () => {
       } else if (respuesta === respuestaSeleccionada) {
         return { backgroundColor: "red" };
       }
-    } else {
-      if (respuesta === respuestaSeleccionada) {
-        return isDarkTheme
-          ? { color: "#333333", backgroundColor: "#F0F0F0" }
-          : { backgroundColor: "#333333", color: "#F0F0F0" };
-      }
+    } else if (respuesta === respuestaSeleccionada) {
+      return isDarkTheme
+        ? { color: "#333333", backgroundColor: "#F0F0F0" }
+        : { backgroundColor: "#333333", color: "#F0F0F0" };
     }
     return {};
   };
@@ -154,7 +152,7 @@ const JuegoPreguntas = () => {
       correcta: preguntaActual.correcta,
       respuesta: respuestaSeleccionada,
     };
-    setQuestionsToSave( [...questionsToSave, pregunta]);
+    setQuestionsToSave([...questionsToSave, pregunta]);
 
     setTiempoTotal(tiempoTotal + tiempoRestante);
     setRespuestaSeleccionada(null);
@@ -286,7 +284,6 @@ const JuegoPreguntas = () => {
               <Grid templateColumns="repeat(2, 1fr)" gap={4} mt={4}>
                 {preguntaActual.respuestas.map((respuesta, index) => (
                   <Button
-                    key={index}
                     onClick={() => handleRespuestaSeleccionada(respuesta)}
                     disabled={tiempoRestante === 0 || juegoTerminado}
                     style={estiloRespuesta(respuesta)}
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";