diff --git a/src/desktop-metrics.html b/src/desktop-metrics.html
index 23adc0f6c..937b87d5e 100644
--- a/src/desktop-metrics.html
+++ b/src/desktop-metrics.html
@@ -11,9 +11,7 @@
         }
 
         const SAVED_GOOGLE_ANALYTICS_DESKTOP_KEY = "SAVED_GOOGLE_ANALYTICS_DESKTOP_KEY";
-        const SAVED_CUSTOM_USER_ID_KEY = "SAVED_CUSTOM_USER_ID";
         let gaReady = false, loadedGoogleAnalyticsID;
-        let savedCustomUserID = localStorage.getItem(SAVED_CUSTOM_USER_ID_KEY);
 
         const url = window.location.href;
         const urlParams = new URLSearchParams(window.location.search);
@@ -92,11 +90,7 @@
             document.head.appendChild(gaScript);
 
             gtag('js', new Date());
-            const configParams = {};
-            if (savedCustomUserID) {
-                configParams.client_id = savedCustomUserID;
-            }
-            gtag('config', analyticsID, configParams);
+            gtag('config', analyticsID);
             gaReady = true;
         }
 
@@ -115,16 +109,6 @@
 
         async function processRequest(event) {
             const payload = event.payload;
-            if (payload.customUserID && payload.customUserID !== savedCustomUserID) {
-                savedCustomUserID = payload.customUserID;
-                localStorage.setItem(SAVED_CUSTOM_USER_ID_KEY, payload.customUserID);
-                if (gaReady) {
-                    gtag('config', loadedGoogleAnalyticsID, {
-                        client_id: savedCustomUserID,
-                        send_page_view: false
-                    });
-                }
-            }
             if(payload.analyticsID && loadedGoogleAnalyticsID !== payload.analyticsID) {
                 localStorage.setItem(SAVED_GOOGLE_ANALYTICS_DESKTOP_KEY, payload.analyticsID);
                 installGoogleAnalytics();