diff --git a/blueocean-rest-impl/src/main/webapp/scripts/analytics.js b/blueocean-rest-impl/src/main/webapp/scripts/analytics.js
index 1ef6e629e5..84a550dea7 100644
--- a/blueocean-rest-impl/src/main/webapp/scripts/analytics.js
+++ b/blueocean-rest-impl/src/main/webapp/scripts/analytics.js
@@ -5,8 +5,7 @@ window.addEventListener('load', function() {
         headers: crumb.wrap({
             'Content-Type': 'application/json'
         }),
-        // TODO simplify when Prototype.js is removed
-        body: Object.toJSON ? Object.toJSON(eventData) : JSON.stringify(eventData)
+        body: JSON.stringify(eventData)
     }).then(function(rsp) {
         if (!rsp.ok) {
             console.error('Could not send pageview event');