diff --git a/Libraries/vendor/emitter/EventEmitter.js b/Libraries/vendor/emitter/EventEmitter.js
index 28cf41afc889c3..bd9a7cc83da11a 100644
--- a/Libraries/vendor/emitter/EventEmitter.js
+++ b/Libraries/vendor/emitter/EventEmitter.js
@@ -16,6 +16,8 @@ const EventSubscriptionVendor = require('EventSubscriptionVendor');
 
 const invariant = require('invariant');
 
+const sparseFilterPredicate = () => true;
+
 /**
  * @class EventEmitter
  * @description
@@ -151,7 +153,13 @@ class EventEmitter {
   listeners(eventType: string): [EmitterSubscription] {
     const subscriptions = this._subscriber.getSubscriptionsForType(eventType);
     return subscriptions
-      ? subscriptions.map(subscription => subscription.listener)
+      ? subscriptions
+          // We filter out missing entries because the array is sparse.
+          // "callbackfn is called only for elements of the array which actually
+          // exist; it is not called for missing elements of the array."
+          // https://www.ecma-international.org/ecma-262/9.0/index.html#sec-array.prototype.filter
+          .filter(sparseFilterPredicate)
+          .map(subscription => subscription.listener)
       : [];
   }