diff --git a/helpers/functions.lots.js b/helpers/functions.lots.js
index a86bc559..c8820552 100644
--- a/helpers/functions.lots.js
+++ b/helpers/functions.lots.js
@@ -1,14 +1,12 @@
 import NodeCache from 'node-cache';
 import getPreviousLotIdFromDatabase from './lotOccupancyDB/getPreviousLotId.js';
 import getNextLotIdFromDatabase from './lotOccupancyDB/getNextLotId.js';
-const timeToLiveMinutes = 2;
-const previousLotIdCache = new NodeCache({
-    stdTTL: timeToLiveMinutes * 60,
+const cacheOptions = {
+    stdTTL: 2 * 60,
     useClones: false
-});
-const nextLotIdCache = new NodeCache({
-    stdTTL: timeToLiveMinutes * 60
-});
+};
+const previousLotIdCache = new NodeCache(cacheOptions);
+const nextLotIdCache = new NodeCache(cacheOptions);
 function cacheLotIds(lotId, nextLotId) {
     previousLotIdCache.set(nextLotId, lotId);
     nextLotIdCache.set(lotId, nextLotId);
diff --git a/helpers/functions.lots.ts b/helpers/functions.lots.ts
index 21328d9a..5a0d2fa8 100644
--- a/helpers/functions.lots.ts
+++ b/helpers/functions.lots.ts
@@ -3,16 +3,14 @@ import NodeCache from 'node-cache'
 import getPreviousLotIdFromDatabase from './lotOccupancyDB/getPreviousLotId.js'
 import getNextLotIdFromDatabase from './lotOccupancyDB/getNextLotId.js'
 
-const timeToLiveMinutes = 2
-
-const previousLotIdCache = new NodeCache({
-  stdTTL: timeToLiveMinutes * 60,
+const cacheOptions: NodeCache.Options = {
+  stdTTL: 2 * 60, // two minutes
   useClones: false
-})
+}
 
-const nextLotIdCache = new NodeCache({
-  stdTTL: timeToLiveMinutes * 60
-})
+const previousLotIdCache = new NodeCache(cacheOptions)
+
+const nextLotIdCache = new NodeCache(cacheOptions)
 
 function cacheLotIds(lotId: number, nextLotId: number): void {
   previousLotIdCache.set(nextLotId, lotId)