diff --git a/webrtc/modules/audio_coding/audio_network_adaptor/audio_network_adaptor_impl.cc b/webrtc/modules/audio_coding/audio_network_adaptor/audio_network_adaptor_impl.cc
index 3d8b2beb8d..5fa1bee8e9 100644
--- a/webrtc/modules/audio_coding/audio_network_adaptor/audio_network_adaptor_impl.cc
+++ b/webrtc/modules/audio_coding/audio_network_adaptor/audio_network_adaptor_impl.cc
@@ -18,11 +18,6 @@ AudioNetworkAdaptorImpl::Config::Config() = default;
 
 AudioNetworkAdaptorImpl::Config::~Config() = default;
 
-AudioNetworkAdaptorImpl::AudioNetworkAdaptorImpl(
-    const Config& config,
-    std::unique_ptr<ControllerManager> controller_manager)
-    : AudioNetworkAdaptorImpl(config, std::move(controller_manager), nullptr) {}
-
 AudioNetworkAdaptorImpl::AudioNetworkAdaptorImpl(
     const Config& config,
     std::unique_ptr<ControllerManager> controller_manager,
diff --git a/webrtc/modules/audio_coding/audio_network_adaptor/audio_network_adaptor_impl.h b/webrtc/modules/audio_coding/audio_network_adaptor/audio_network_adaptor_impl.h
index 289b6777e5..a97bbad21e 100644
--- a/webrtc/modules/audio_coding/audio_network_adaptor/audio_network_adaptor_impl.h
+++ b/webrtc/modules/audio_coding/audio_network_adaptor/audio_network_adaptor_impl.h
@@ -30,11 +30,6 @@ class AudioNetworkAdaptorImpl final : public AudioNetworkAdaptor {
     const Clock* clock;
   };
 
-  AudioNetworkAdaptorImpl(
-      const Config& config,
-      std::unique_ptr<ControllerManager> controller_manager);
-
-  // Dependency injection for testing.
   AudioNetworkAdaptorImpl(
       const Config& config,
       std::unique_ptr<ControllerManager> controller_manager,