| Index: webrtc/modules/audio_device/BUILD.gn
 | 
| diff --git a/webrtc/modules/audio_device/BUILD.gn b/webrtc/modules/audio_device/BUILD.gn
 | 
| index 0b210dc99628db8da7c6a44a7d798d65065af5c9..22941484b2df4dec5bdb5a17f7f7fd095e7141be 100644
 | 
| --- a/webrtc/modules/audio_device/BUILD.gn
 | 
| +++ b/webrtc/modules/audio_device/BUILD.gn
 | 
| @@ -182,8 +182,6 @@ rtc_static_library("audio_device") {
 | 
|            "ios/audio_device_ios.mm",
 | 
|            "ios/audio_device_not_implemented_ios.mm",
 | 
|            "ios/audio_session_observer.h",
 | 
| -          "ios/helpers_ios.h",
 | 
| -          "ios/helpers_ios.mm",
 | 
|            "ios/objc/RTCAudioSession+Configuration.mm",
 | 
|            "ios/objc/RTCAudioSession+Private.h",
 | 
|            "ios/objc/RTCAudioSession.h",
 | 
| 
 |