diff --git a/webrtc/video_engine/vie_channel_group.cc b/webrtc/video_engine/vie_channel_group.cc
index 16e25d3b8b..9e79b29d33 100644
--- a/webrtc/video_engine/vie_channel_group.cc
+++ b/webrtc/video_engine/vie_channel_group.cc
@@ -32,14 +32,12 @@ static const uint32_t kTimeOffsetSwitchThreshold = 30;
 
 class WrappingBitrateEstimator : public RemoteBitrateEstimator {
  public:
-  WrappingBitrateEstimator(int engine_id,
-                           RemoteBitrateObserver* observer,
+  WrappingBitrateEstimator(RemoteBitrateObserver* observer,
                            Clock* clock,
                            const Config& config)
       : observer_(observer),
         clock_(clock),
         crit_sect_(CriticalSectionWrapper::CreateCriticalSection()),
-        engine_id_(engine_id),
         min_bitrate_bps_(config.Get<RemoteBitrateEstimatorMinRate>().min_rate),
         rate_control_type_(kAimdControl),
         rbe_(RemoteBitrateEstimatorFactory().Create(observer_,
@@ -142,7 +140,6 @@ class WrappingBitrateEstimator : public RemoteBitrateEstimator {
   RemoteBitrateObserver* observer_;
   Clock* clock_;
   scoped_ptr<CriticalSectionWrapper> crit_sect_;
-  const int engine_id_;
   const uint32_t min_bitrate_bps_;
   RateControlType rate_control_type_;
   scoped_ptr<RemoteBitrateEstimator> rbe_;
@@ -153,8 +150,7 @@ class WrappingBitrateEstimator : public RemoteBitrateEstimator {
 };
 }  // namespace
 
-ChannelGroup::ChannelGroup(int engine_id,
-                           ProcessThread* process_thread,
+ChannelGroup::ChannelGroup(ProcessThread* process_thread,
                            const Config* config)
     : remb_(new VieRemb()),
       bitrate_controller_(
@@ -172,8 +168,7 @@ ChannelGroup::ChannelGroup(int engine_id,
   assert(config_);  // Must have a valid config pointer here.
 
   remote_bitrate_estimator_.reset(
-      new WrappingBitrateEstimator(engine_id,
-                                   remb_.get(),
+      new WrappingBitrateEstimator(remb_.get(),
                                    Clock::GetRealTimeClock(),
                                    *config_));
 
diff --git a/webrtc/video_engine/vie_channel_group.h b/webrtc/video_engine/vie_channel_group.h
index 33214508d1..9593ec52cb 100644
--- a/webrtc/video_engine/vie_channel_group.h
+++ b/webrtc/video_engine/vie_channel_group.h
@@ -31,8 +31,7 @@ class VieRemb;
 // group are assumed to send/receive data to the same end-point.
 class ChannelGroup {
  public:
-  ChannelGroup(int engine_id, ProcessThread* process_thread,
-               const Config* config);
+  ChannelGroup(ProcessThread* process_thread, const Config* config);
   ~ChannelGroup();
 
   void AddChannel(int channel_id);
diff --git a/webrtc/video_engine/vie_channel_manager.cc b/webrtc/video_engine/vie_channel_manager.cc
index dc3f916605..aef167fafe 100644
--- a/webrtc/video_engine/vie_channel_manager.cc
+++ b/webrtc/video_engine/vie_channel_manager.cc
@@ -85,7 +85,7 @@ int ViEChannelManager::CreateChannel(int* channel_id,
   }
 
   // Create a new channel group and add this channel.
-  ChannelGroup* group = new ChannelGroup(engine_id_, module_process_thread_,
+  ChannelGroup* group = new ChannelGroup(module_process_thread_,
                                          channel_group_config);
   BitrateController* bitrate_controller = group->GetBitrateController();
   ViEEncoder* vie_encoder = new ViEEncoder(engine_id_, new_channel_id,