diff --git a/webrtc/modules/audio_coding/main/source/audio_coding_module_impl.cc b/webrtc/modules/audio_coding/main/source/audio_coding_module_impl.cc
index b8060ce436..6ac45d4b18 100644
--- a/webrtc/modules/audio_coding/main/source/audio_coding_module_impl.cc
+++ b/webrtc/modules/audio_coding/main/source/audio_coding_module_impl.cc
@@ -3029,10 +3029,6 @@ void AudioCodingModuleImpl::DisableNack() {
   nack_enabled_ = false;
 }
 
-const char* AudioCodingModuleImpl::Version() const {
-  return kLegacyAcmVersion;
-}
-
 void AudioCodingModuleImpl::GetDecodingCallStatistics(
       AudioDecodingCallStats* call_stats) const {
   CriticalSectionScoped lock(acm_crit_sect_);
diff --git a/webrtc/modules/audio_coding/main/source/audio_coding_module_impl.h b/webrtc/modules/audio_coding/main/source/audio_coding_module_impl.h
index f0b22f1146..b99e5acad6 100644
--- a/webrtc/modules/audio_coding/main/source/audio_coding_module_impl.h
+++ b/webrtc/modules/audio_coding/main/source/audio_coding_module_impl.h
@@ -44,8 +44,6 @@ class AudioCodingModuleImpl : public AudioCodingModule {
   AudioCodingModuleImpl(const int32_t id, Clock* clock);
   ~AudioCodingModuleImpl();
 
-  virtual const char* Version() const;
-
   // Change the unique identifier of this object.
   virtual int32_t ChangeUniqueId(const int32_t id);