diff --git a/lib/time.js b/lib/time.js
index b515eca..f810ac4 100644
--- a/lib/time.js
+++ b/lib/time.js
@@ -73,7 +73,7 @@ class TimeTracker {
     array.push(value)
 
     if (array.length > maxLength) {
-      array.shift()
+      array.splice(0, array.length - maxLength)
     }
   }
 }