diff --git a/app/assets/javascripts/discourse/config/environment.js b/app/assets/javascripts/discourse/config/environment.js
index 903436156e0..f0b8d018ae5 100644
--- a/app/assets/javascripts/discourse/config/environment.js
+++ b/app/assets/javascripts/discourse/config/environment.js
@@ -17,6 +17,7 @@ module.exports = function (environment) {
         Date: false,
         String: false,
       },
+      LOG_STACKTRACE_ON_DEPRECATION: false,
     },
     exportApplicationGlobal: true,
 
diff --git a/app/assets/javascripts/discourse/tests/test-boot-ember-cli.js b/app/assets/javascripts/discourse/tests/test-boot-ember-cli.js
index b8b3d0776fe..435e51ba93c 100644
--- a/app/assets/javascripts/discourse/tests/test-boot-ember-cli.js
+++ b/app/assets/javascripts/discourse/tests/test-boot-ember-cli.js
@@ -25,8 +25,6 @@ document.addEventListener("discourse-init", () => {
   const testingCore = !testingTheme && (!target || target === "core");
   const disableAutoStart = params.get("qunit_disable_auto_start") === "1";
 
-  window.EmberENV.LOG_STACKTRACE_ON_DEPRECATION = false;
-
   document.body.insertAdjacentHTML(
     "afterbegin",
     `