diff --git a/deploy/default.gbui/src/GBUIApp.js b/deploy/default.gbui/src/GBUIApp.js
index f8d7186b..2d726446 100644
--- a/deploy/default.gbui/src/GBUIApp.js
+++ b/deploy/default.gbui/src/GBUIApp.js
@@ -43,8 +43,8 @@ import { SpeechRecognizer } from "botframework-webchat/CognitiveServices";
 import { SpeechSynthesizer } from "botframework-webchat/CognitiveServices";
 import { SynthesisGender } from "botframework-webchat/CognitiveServices";
 import { Chat } from "botframework-webchat";
-import { BotChat } from "botframework-webchat";
-import { Speech } from "botframework-webchat/botchat";
+// => não está em uso import { BotChat } from "botframework-webchat";
+// => não está em uso import { Speech } from "botframework-webchat/botchat";
 import GBPowerBIPlayer from "./players/GBPowerBIPlayer.js";
 
 class GBUIApp extends React.Component {
diff --git a/tsconfig.json b/tsconfig.json
index b02300c9..3d6e628a 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -5,7 +5,7 @@
     "declaration": false,
     "emitDecoratorMetadata": true,
     "experimentalDecorators": true,
-    "keyofStringsOnly": true,
+    // "keyofStringsOnly": true, // Habilitar apenas para Typescript 2.9
     "mapRoot": "./dist/",
     "module": "commonjs",
     "moduleResolution": "node",