diff --git a/gtfs-service/utils.js b/gtfs-service/utils.js
deleted file mode 100644
index 341196e..0000000
--- a/gtfs-service/utils.js
+++ /dev/null
@@ -1,48 +0,0 @@
-const debug=require('debug')('utils');
-
-function findSubStr(str, start, end) {
-    var index = str.slice(start, end);
-    //debug('index: '+index);
-    return index;
-}
-  
-function gtfsDate2NodeDate(date){
-    let start = 0;
-    let end = 4;
-    let year=findSubStr(date, start, end);
-    //debug('year: '+year);
-    start=4;
-    end=6;
-    let month=findSubStr(date, start, end);
-    //debug('month: '+month);
-    start=6;
-    end=8;
-    let day=findSubStr(date, start, end);
-    //debug('day: '+day);
-    let nodeDate = new Date(year, month - 1, day);
-    //debug('nodeDate: '+nodeDate);
-    return nodeDate;
-}
-
-const dateWeekday={
-    sunday:0,
-    monday:1,
-    tuesday:2,
-    wednesday:3,
-    thursday:4,
-    friday:5,
-    saturday:6
-}
-
-function nextDay(epoch){
-    debug('epoch: '+epoch);
-    let epochNext=epoch + (24 * 60 * 60 * 1000) // 1 day in millisecond
-    debug('epochNext: '+epochNext);
-    return epochNext;
-}
-
-module.exports={
-    gtfsDate2NodeDate,
-    nextDay,
-    dateWeekday
-};