--- a/dom/media/webrtc/MediaEngineWebRTC.h
+++ b/dom/media/webrtc/MediaEngineWebRTC.h
@@ -521,17 +521,16 @@ private:
   // Note: shared across all microphone sources
   static int sChannelsOpen;
 
   const UniquePtr<webrtc::AudioProcessing> mAudioProcessing;
   const RefPtr<AudioOutputObserver> mAudioOutputObserver;
 
   // accessed from the GraphDriver thread except for deletion
   nsAutoPtr<AudioPacketizer<AudioDataValue, float>> mPacketizerInput;
-  ScopedCustomReleasePtr<webrtc::VoEExternalMedia> mVoERenderListener;
 
   // mMonitor protects mSources[] and mPrinicpalIds[] access/changes, and
   // transitions of mState from kStarted to kStopped (which are combined with
   // EndTrack()). mSources[] and mPrincipalHandles[] are accessed from webrtc
   // threads.
   Monitor mMonitor;
   nsTArray<RefPtr<SourceMediaStream>> mSources;
   nsTArray<PrincipalHandle> mPrincipalHandles; // Maps to mSources.