diff --git a/stateBox/useBusAndTrainData.js b/stateBox/useBusAndTrainData.js
index 8a5cc58..21b6774 100644
--- a/stateBox/useBusAndTrainData.js
+++ b/stateBox/useBusAndTrainData.js
@@ -81,24 +81,12 @@ export const BusAndTrainDataProvider = ({ children }) => {
       returnArray.push(Object.keys(trainPairList[trainNum])[0]);
     }
     switch (trainNum) {
-      case "4125M":
-        returnArray.push("545M");
-        break;
-      case "545M":
-        returnArray.push("4125M");
-        break;
       case "143M":
         returnArray.push("147M");
         break;
       case "147M":
         returnArray.push("143M");
         break;
-      case "1261M":
-        returnArray.push("4261M");
-        break;
-      case "4261M":
-        returnArray.push("1261M");
-        break;
       case new RegExp(/^4[1-9]\d\d[DM]$/).test(trainNum):
         if (trainList["5" + trainNum.substring(1)])
           returnArray.push("5" + trainNum.substring(1));