diff --git a/devtools/projects/ng-devtools-backend/src/lib/angular-check.spec.ts b/devtools/projects/ng-devtools-backend/src/lib/angular-check.spec.ts
index 156b070df17..a861ebf42ec 100644
--- a/devtools/projects/ng-devtools-backend/src/lib/angular-check.spec.ts
+++ b/devtools/projects/ng-devtools-backend/src/lib/angular-check.spec.ts
@@ -68,13 +68,12 @@ describe('angular-check', () => {
     });
 
     it('should recognize Ivy apps', () => {
-      (window as any).getAllAngularRootElements = (): Element[] => {
-        const el = document.createElement('div');
-        (el as any).__ngContext__ = 0;
-        return [el];
-      };
+      const el = document.createElement('div');
+      el.setAttribute('ng-version', '0.0.0-PLACEHOLDER');
+      (el as any).__ngContext__ = 0;
+      document.body.append(el);
       expect(appIsAngularIvy()).toBeTrue();
-      delete (window as any).getAllAngularRootElements;
+      el.remove();
     });
   });
 
diff --git a/devtools/projects/ng-devtools-backend/src/lib/angular-check.ts b/devtools/projects/ng-devtools-backend/src/lib/angular-check.ts
index 1190bc384bd..f7857bbc868 100644
--- a/devtools/projects/ng-devtools-backend/src/lib/angular-check.ts
+++ b/devtools/projects/ng-devtools-backend/src/lib/angular-check.ts
@@ -13,7 +13,8 @@ export const appIsAngularInDevMode = (): boolean => {
 };
 
 export const appIsAngularIvy = (): boolean => {
-  return typeof (window as any).getAllAngularRootElements?.()?.[0]?.__ngContext__ !== 'undefined';
+  const rootElement = (window as any).document.querySelector('[ng-version]');
+  return typeof rootElement?.__ngContext__ !== 'undefined';
 };
 
 export const appIsAngular = (): boolean => {
diff --git a/devtools/projects/shell-browser/src/app/ng-validate.ts b/devtools/projects/shell-browser/src/app/ng-validate.ts
index a9cf38d6830..b869ffe0342 100644
--- a/devtools/projects/shell-browser/src/app/ng-validate.ts
+++ b/devtools/projects/shell-browser/src/app/ng-validate.ts
@@ -46,8 +46,7 @@ function detectAngular(win: Window): void {
       {
         // Needs to be inline because we're stringifying
         // this function and executing it with eval.
-        isIvy: typeof (window as any).getAllAngularRootElements?.()?.[0]?.__ngContext__ !==
-            'undefined',
+        isIvy: typeof (ngVersionElement as any)?.__ngContext__ !== 'undefined',
         isAngular,
         isDebugMode,
         isSupportedAngularVersion,