diff --git a/api/peerconnectioninterface.h b/api/peerconnectioninterface.h
index 0fc2a2b5b8..593084efd9 100644
--- a/api/peerconnectioninterface.h
+++ b/api/peerconnectioninterface.h
@@ -1327,6 +1327,7 @@ class PeerConnectionFactoryInterface : public rtc::RefCountInterface {
   ~PeerConnectionFactoryInterface() override = default;
 };
 
+#if defined(USE_BUILTIN_SW_CODECS)
 // Create a new instance of PeerConnectionFactoryInterface.
 //
 // This method relies on the thread it's called on as the "signaling thread"
@@ -1403,6 +1404,7 @@ rtc::scoped_refptr<PeerConnectionFactoryInterface> CreatePeerConnectionFactory(
     std::unique_ptr<FecControllerFactoryInterface> fec_controller_factory,
     std::unique_ptr<NetworkControllerFactoryInterface>
         network_controller_factory = nullptr);
+#endif
 
 // Create a new instance of PeerConnectionFactoryInterface with optional video
 // codec factories. These video factories represents all video codecs, i.e. no
@@ -1421,6 +1423,7 @@ rtc::scoped_refptr<PeerConnectionFactoryInterface> CreatePeerConnectionFactory(
     rtc::scoped_refptr<AudioMixer> audio_mixer,
     rtc::scoped_refptr<AudioProcessing> audio_processing);
 
+#if defined(USE_BUILTIN_SW_CODECS)
 // Create a new instance of PeerConnectionFactoryInterface with external audio
 // mixer.
 //
@@ -1453,6 +1456,7 @@ CreatePeerConnectionFactory(
       default_adm, audio_encoder_factory, audio_decoder_factory,
       video_encoder_factory, video_decoder_factory);
 }
+#endif
 
 // This is a lower-level version of the CreatePeerConnectionFactory functions
 // above. It's implemented in the "peerconnection" build target, whereas the
diff --git a/media/engine/webrtcmediaengine.h b/media/engine/webrtcmediaengine.h
index b9927b1a9d..d82eccf9dc 100644
--- a/media/engine/webrtcmediaengine.h
+++ b/media/engine/webrtcmediaengine.h
@@ -41,6 +41,7 @@ class WebRtcMediaEngineFactory {
   //
   // TODO(deadbeef): Change these to return an std::unique_ptr<>, to indicate
   // that the caller owns the returned object.
+#if defined(USE_BUILTIN_SW_CODECS)
   static MediaEngineInterface* Create(
       webrtc::AudioDeviceModule* adm,
       const rtc::scoped_refptr<webrtc::AudioEncoderFactory>&
@@ -59,6 +60,7 @@ class WebRtcMediaEngineFactory {
       WebRtcVideoDecoderFactory* video_decoder_factory,
       rtc::scoped_refptr<webrtc::AudioMixer> audio_mixer,
       rtc::scoped_refptr<webrtc::AudioProcessing> apm);
+#endif
 
   // Create a MediaEngineInterface with optional video codec factories. These
   // video factories represents all video codecs, i.e. no extra internal video