diff --git a/modules/rtp_rtcp/source/rtp_header_extensions.h b/modules/rtp_rtcp/source/rtp_header_extensions.h
index 51c083a18b..7f039ec8ac 100644
--- a/modules/rtp_rtcp/source/rtp_header_extensions.h
+++ b/modules/rtp_rtcp/source/rtp_header_extensions.h
@@ -100,9 +100,6 @@ class AudioLevelExtension {
                     bool voice_activity,
                     uint8_t audio_level);
 };
-// TODO: bugs.webrtc.org/15788 - In two weeks remove this alias and put new
-// meaning into AudioLevel class.
-using AudioLevel [[deprecated]] = AudioLevelExtension;
 
 class CsrcAudioLevel {
  public: