diff --git a/webrtc/voice_engine/channel.cc b/webrtc/voice_engine/channel.cc
index 73955650e6..1957d21194 100644
--- a/webrtc/voice_engine/channel.cc
+++ b/webrtc/voice_engine/channel.cc
@@ -23,7 +23,6 @@
 #include "webrtc/call/rtc_event_log.h"
 #include "webrtc/common.h"
 #include "webrtc/config.h"
-#include "webrtc/modules/audio_coding/codecs/builtin_audio_decoder_factory.h"
 #include "webrtc/modules/audio_device/include/audio_device.h"
 #include "webrtc/modules/audio_processing/include/audio_processing.h"
 #include "webrtc/modules/include/module_common_types.h"
@@ -752,14 +751,6 @@ int32_t Channel::NeededFrequency(int32_t id) const {
   return (highestNeeded);
 }
 
-int32_t Channel::CreateChannel(Channel*& channel,
-                               int32_t channelId,
-                               uint32_t instanceId,
-                               const Config& config) {
-  return CreateChannel(channel, channelId, instanceId, config,
-                       CreateBuiltinAudioDecoderFactory());
-}
-
 int32_t Channel::CreateChannel(
     Channel*& channel,
     int32_t channelId,
diff --git a/webrtc/voice_engine/channel.h b/webrtc/voice_engine/channel.h
index 9c0e39df4f..6fc4f34040 100644
--- a/webrtc/voice_engine/channel.h
+++ b/webrtc/voice_engine/channel.h
@@ -171,10 +171,6 @@ class Channel
   enum { KNumSocketThreads = 1 };
   enum { KNumberOfSocketBuffers = 8 };
   virtual ~Channel();
-  static int32_t CreateChannel(Channel*& channel,
-                               int32_t channelId,
-                               uint32_t instanceId,
-                               const Config& config);
   static int32_t CreateChannel(
       Channel*& channel,
       int32_t channelId,
diff --git a/webrtc/voice_engine/channel_manager.cc b/webrtc/voice_engine/channel_manager.cc
index 5f20b2ed16..bcc22b05f4 100644
--- a/webrtc/voice_engine/channel_manager.cc
+++ b/webrtc/voice_engine/channel_manager.cc
@@ -11,7 +11,6 @@
 #include "webrtc/voice_engine/channel_manager.h"
 
 #include "webrtc/common.h"
-#include "webrtc/modules/audio_coding/codecs/builtin_audio_decoder_factory.h"
 #include "webrtc/voice_engine/channel.h"
 
 namespace webrtc {
@@ -49,14 +48,6 @@ ChannelOwner::ChannelRef::ChannelRef(class Channel* channel)
 ChannelManager::ChannelManager(uint32_t instance_id, const Config& config)
     : instance_id_(instance_id), last_channel_id_(-1), config_(config) {}
 
-ChannelOwner ChannelManager::CreateChannel() {
-  return CreateChannel(CreateBuiltinAudioDecoderFactory());
-}
-
-ChannelOwner ChannelManager::CreateChannel(const Config& external_config) {
-  return CreateChannel(external_config, CreateBuiltinAudioDecoderFactory());
-}
-
 ChannelOwner ChannelManager::CreateChannel(
     const rtc::scoped_refptr<AudioDecoderFactory>& decoder_factory) {
   return CreateChannelInternal(config_, decoder_factory);
diff --git a/webrtc/voice_engine/channel_manager.h b/webrtc/voice_engine/channel_manager.h
index c59ee5dc97..adc9d901f1 100644
--- a/webrtc/voice_engine/channel_manager.h
+++ b/webrtc/voice_engine/channel_manager.h
@@ -97,11 +97,9 @@ class ChannelManager {
 
   // CreateChannel will always return a valid ChannelOwner instance. The channel
   // is created either based on internal configuration, i.e. |config_|, by
-  // calling CreateChannel(), or using and external configuration
+  // calling CreateChannel(...), or using and external configuration
   // |external_config| if the overloaded method
-  // CreateChannel(const Config& external_config) is called.
-  ChannelOwner CreateChannel();
-  ChannelOwner CreateChannel(const Config& external_config);
+  // CreateChannel(const Config& external_config, ...) is called.
   ChannelOwner CreateChannel(
       const rtc::scoped_refptr<AudioDecoderFactory>& decoder_factory);
   ChannelOwner CreateChannel(