EDIT: Delete unessential vars & comments

 const { marketMultiSearch } = require("../search/marketSearch");
 const setCarouselMessage = require("../message/setCarouselMessage");
+
 // Database APIs
 const db = require("../../apis/database");
-// API List
-// database.addKeyword = async function(keyword, userId)
-// database.deleteKeyword = async function(userId, keyword)
-// database.getKeywordsByUserId = async function(userId)
-// database.getUsersByKeyword = async function(keyword)
-// database.getAllUsers = async function()
-// database.getAllKeywords = async function()
 
 const multiCheckMamul = (client) => {
   db.getAllKeywords().then((keywords) => {

 // Line chatbot + Message generate functions
 const line = require("@line/bot-sdk");
-// const setFlexMessage = require("./message/setFlexMessage");
 const setCarouselMessage = require("./message/setCarouselMessage");
-// const setKeywordsFlexMessage = require("./message/setKeywordsFlexMessage");
 
 // Market Search
-// const { daangnSingleSearch } = require("./search/daangnSearch");
-// const { daangnMultiSearch } = require("./search/daangnSearch");
-// const { joongnaSingleSearch } = require("./search/joongnaSearch");
-// const { joongnaMultiSearch } = require("./search/joongnaSearch");
-// const { bunjangSingleSearch } = require("./search/bunjangSearch");
-// const { bunjangMultiSearch } = require("./search/bunjangSearch");
 const { marketMultiSearch } = require("./search/marketSearch");
 
-// File search - Will be deleted (Unused)
+// File search
 const fs = require("fs");
 
 // Cron for Mamul Notification
@@ -24,13 +16,6 @@ const job = schedule.scheduleJob("0 */1 * * *", () => {
 
 // Database APIs
 const db = require("../apis/database");
-// API List
-// database.addKeyword = async function(keyword, userId)
-// database.deleteKeyword = async function(userId, keyword)
-// database.getKeywordsByUserId = async function(userId)
-// database.getUsersByKeyword = async function(keyword)
-// database.getAllUsers = async function()
-// database.getAllKeywords = async function()
 
 // Import credentials for Line chatbot
 require("dotenv").config({ path: __dirname + "/../config/.env" });

@@ -3,21 +3,7 @@ const setFlexMessage = require("./setFlexMessage");
 function setCarouselMessage(mamuls, keyword) {
   let flexMessages = [];
   let flexMessage = {};
-  if (
-    mamuls[0] == undefined
-    // &&
-    // mamuls[1] == undefined &&
-    // mamuls[2] == undefined &&
-    // mamuls[3] == undefined &&
-    // mamuls[4] == undefined &&
-    // mamuls[5] == undefined &&
-    // mamuls[6] == undefined &&
-    // mamuls[7] == undefined &&
-    // mamuls[8] == undefined &&
-    // mamuls[9] == undefined &&
-    // mamuls[10] == undefined &&
-    // mamuls[11] == undefined
-  ) {
+  if (mamuls[0] == undefined) {
     let nonMamulMessage = {
       type: "flex",
       altText: `${keyword} 매물은 아직 없어요!`,

 const { daangnMultiSearch } = require("./daangnSearch");
 const { bunjangMultiSearch } = require("./bunjangSearch");
 const { joongnaMultiSearch } = require("./joongnaSearch");
-const setCarouselMessage = require("../message/setCarouselMessage");
 
 const marketMultiSearch = (keyword) => {
   const result = [];