diff --git a/lib/client-metrics/ttl-list.js b/lib/client-metrics/ttl-list.js
index 208277fcc9..8049645b50 100644
--- a/lib/client-metrics/ttl-list.js
+++ b/lib/client-metrics/ttl-list.js
@@ -37,11 +37,15 @@ module.exports = class TTLList extends EventEmitter {
 
     add (value, timestamp = new Date()) {
         const ttl = moment(timestamp).add(this.expireAmount, this.expireType);
-        this.list.add({ ttl, value });
+        if (moment().isBefore(ttl)) {
+            this.list.add({ ttl, value });
+        } else {
+            this.emit('expire', value, ttl);
+        }
     }
 
     timedCheck () {
-        const now = moment(new Date());
+        const now = moment();
         this.list.reverseRemoveUntilTrue(({ value }) => now.isBefore(value.ttl));
         this.startTimer();
     }