diff --git a/src/dispatcher/iOSDevice.js b/src/dispatcher/iOSDevice.js
index c5b7204b9..a52f81df9 100644
--- a/src/dispatcher/iOSDevice.js
+++ b/src/dispatcher/iOSDevice.js
@@ -14,7 +14,7 @@ import path from 'path';
 import child_process from 'child_process';
 const execFile = child_process.execFile;
 import IOSDevice from '../devices/IOSDevice';
-import iosUtil from '../fb-stubs/iOSContainerUtility';
+import iosUtil from '../fb-stubs/iOSContainerUtility.tsx';
 import isProduction from '../utils/isProduction.js';
 import GK from '../fb-stubs/GK.tsx';
 import {registerDeviceCallbackOnPlugins} from '../utils/onRegisterDevice.js';
diff --git a/src/fb-stubs/ErrorReporter.tsx b/src/fb-stubs/ErrorReporter.tsx
index cd3448376..acd9480a1 100644
--- a/src/fb-stubs/ErrorReporter.tsx
+++ b/src/fb-stubs/ErrorReporter.tsx
@@ -16,8 +16,8 @@ import {ScribeLogger} from './ScribeLogger';
 export type ObjectError =
   | Error
   | {
-      message: string,
-      stack?: string,
+      message: string;
+      stack?: string;
     };
 
 export default class ErrorReporter {
diff --git a/src/fb-stubs/iOSContainerUtility.js b/src/fb-stubs/iOSContainerUtility.tsx
similarity index 92%
rename from src/fb-stubs/iOSContainerUtility.js
rename to src/fb-stubs/iOSContainerUtility.tsx
index 82b334f2d..1078e33f5 100644
--- a/src/fb-stubs/iOSContainerUtility.js
+++ b/src/fb-stubs/iOSContainerUtility.tsx
@@ -5,15 +5,15 @@
  * @format
  */
 import {promisify} from 'util';
-import type {DeviceType} from '../devices/BaseDevice';
+import {DeviceType} from '../devices/BaseDevice';
 const exec = promisify(require('child_process').exec);
 
 const errorMessage = 'Physical iOS devices not yet supported';
 
 export type DeviceTarget = {
-  udid: string,
-  type: DeviceType,
-  name: string,
+  udid: string;
+  type: DeviceType;
+  name: string;
 };
 
 function isAvailable(): boolean {
diff --git a/src/utils/CertificateProvider.js b/src/utils/CertificateProvider.js
index a33466705..b3c60924a 100644
--- a/src/utils/CertificateProvider.js
+++ b/src/utils/CertificateProvider.js
@@ -17,7 +17,7 @@ import path from 'path';
 import tmp from 'tmp';
 const tmpFile = promisify(tmp.file);
 const tmpDir = promisify(tmp.dir);
-import iosUtil from '../fb-stubs/iOSContainerUtility';
+import iosUtil from '../fb-stubs/iOSContainerUtility.tsx';
 import {reportPlatformFailures} from './metrics';
 import {getAdbClient} from './adbClient';
 import * as androidUtil from './androidContainerUtility';