diff --git a/src/helpers/heritage-integration/cookie-helper.js b/src/helpers/heritage-integration/cookie-helper.js
index 4ff5c0c8e..6e78d1304 100644
--- a/src/helpers/heritage-integration/cookie-helper.js
+++ b/src/helpers/heritage-integration/cookie-helper.js
@@ -201,7 +201,8 @@ export function areAllSessionCookiesSet() {
 
 export function refreshSessionExpiration() {
     refreshCookieExpiration(cookieNames.SESSION_ID, cookieExpirations.SESSION_ID);
-    refreshCookieExpiration(cookieNames.DXDEV, cookieExpirations.DXDEV);
+    // Change 2/4/25: Don't update DXDEV to avoid Safari constraints on client-set cookies.
+    // refreshCookieExpiration(cookieNames.DXDEV, cookieExpirations.DXDEV);
     refreshCookieExpiration(cookieNames.FUNNEL_USER_ID, cookieExpirations.FUNNEL_USER_ID);
     refreshCookieExpiration(cookieNames.FUNNEL_SESSION_KEY, cookieExpirations.FUNNEL_SESSION_KEY);
 }