diff --git a/common_types.h b/common_types.h
index 60d88b39ce..99c4064a3c 100644
--- a/common_types.h
+++ b/common_types.h
@@ -342,10 +342,6 @@ enum VideoCodecType {
   kVideoCodecMultiplex,
 };
 
-// Translates from name of codec to codec type and vice versa.
-const char* CodecTypeToPayloadString(VideoCodecType type);
-VideoCodecType PayloadStringToCodecType(const std::string& name);
-
 struct SpatialLayer {
   bool operator==(const SpatialLayer& other) const;
   bool operator!=(const SpatialLayer& other) const { return !(*this == other); }
diff --git a/media/engine/webrtcvideodecoderfactory.cc b/media/engine/webrtcvideodecoderfactory.cc
index 5eee788d8f..c020b703dd 100644
--- a/media/engine/webrtcvideodecoderfactory.cc
+++ b/media/engine/webrtcvideodecoderfactory.cc
@@ -10,6 +10,8 @@
 
 #include "media/engine/webrtcvideodecoderfactory.h"
 
+#include "api/video_codecs/video_codec.h"
+
 namespace cricket {
 
 webrtc::VideoDecoder* WebRtcVideoDecoderFactory::CreateVideoDecoderWithParams(
diff --git a/modules/video_coding/utility/ivf_file_writer.cc b/modules/video_coding/utility/ivf_file_writer.cc
index fcf2ddaa0d..d2de6640f8 100644
--- a/modules/video_coding/utility/ivf_file_writer.cc
+++ b/modules/video_coding/utility/ivf_file_writer.cc
@@ -13,6 +13,7 @@
 #include <string>
 #include <utility>
 
+#include "api/video_codecs/video_codec.h"
 #include "modules/rtp_rtcp/source/byte_io.h"
 #include "rtc_base/checks.h"
 #include "rtc_base/logging.h"