diff --git a/lib/index.d.ts b/lib/index.d.ts
index 0fc88b8b..da0d5068 100644
--- a/lib/index.d.ts
+++ b/lib/index.d.ts
@@ -92,7 +92,7 @@ declare module 'react-native-firebase' {
     links(): RNFirebase.links.Links;
     messaging(): RNFirebase.messaging.Messaging;
     notifications(): RNFirebase.notifications.Notifications;
-    // perf(): RNFirebase.perf.Performance;
+    perf(): RNFirebase.perf.Performance;
     storage(): RNFirebase.storage.Storage;
     // utils(): RNFirebase.utils.Utils;
     readonly name: string;
@@ -1568,7 +1568,6 @@ declare module 'react-native-firebase' {
     }
 
     namespace perf {
-
       type HttpMethod =
         | 'CONNECT'
         | 'DELETE'