diff --git a/src/Analytics.js b/src/Analytics.js
index bb9f900145..bb49c19cf5 100644
--- a/src/Analytics.js
+++ b/src/Analytics.js
@@ -74,7 +74,6 @@ class Analytics {
         this._paq = null;
         this.disabled = true;
         this.firstPage = true;
-        this.generationTimeMs = null;
     }
 
     /**