diff --git a/apps/browser/src/autofill/services/collect-autofill-content.service.ts b/apps/browser/src/autofill/services/collect-autofill-content.service.ts
index df66d00bc82..0f9c8993014 100644
--- a/apps/browser/src/autofill/services/collect-autofill-content.service.ts
+++ b/apps/browser/src/autofill/services/collect-autofill-content.service.ts
@@ -983,8 +983,7 @@ export class CollectAutofillContentService implements CollectAutofillContentServ
     const queueLength = this.mutationsQueue.length;
 
     if (!this.domQueryService.pageContainsShadowDomElements()) {
-      // Checking if a page contains shadowDOM elements is a heavy operation and doesn't have to be done immediately, so we can call this within an idle moment on the event loop.
-      requestIdleCallbackPolyfill(this.checkPageContainsShadowDom, { timeout: 500 });
+      this.checkPageContainsShadowDom();
     }
 
     for (let queueIndex = 0; queueIndex < queueLength; queueIndex++) {