diff --git a/lib/client-metrics/ttl-list.test.js b/lib/client-metrics/ttl-list.test.js
index fec8e922e2..0687ea929a 100644
--- a/lib/client-metrics/ttl-list.test.js
+++ b/lib/client-metrics/ttl-list.test.js
@@ -3,6 +3,7 @@
 const test = require('ava');
 const TTLList = require('./ttl-list');
 const moment = require('moment');
+const sinon = require('sinon');
 
 test.cb('should emit expire', (t) => {
     const list = new TTLList({
@@ -21,6 +22,8 @@ test.cb('should emit expire', (t) => {
 });
 
 test.cb('should slice off list', (t) => {
+    const clock = sinon.useFakeTimers();
+
     const list = new TTLList({
         interval: 10,
         expireAmount: 10,
@@ -40,18 +43,21 @@ test.cb('should slice off list', (t) => {
         expired.push(entry);
     });
 
-    setTimeout(() => {
-        t.true(expired.length === 1);
-    }, 30);
-    setTimeout(() => {
-        t.true(expired.length === 2);
-    }, 71);
-    setTimeout(() => {
-        t.true(expired.length === 3);
-    }, 221);
-    setTimeout(() => {
-        t.true(expired.length === 4);
-        list.destroy();
-        t.end();
-    }, 330);
+    clock.tick(21);
+    t.true(expired.length === 1);
+
+    clock.tick(51);
+    t.true(expired.length === 2);
+
+    clock.tick(201);
+    t.true(expired.length === 3);
+
+    clock.tick(301);
+    t.true(expired.length === 4);
+
+    list.destroy();
+    clock.restore();
+    sinon.restore();
+
+    t.end();
 });