diff --git a/libavformat/riff.c b/libavformat/riff.c
index 8489bc7ae6..4caac80643 100644
--- a/libavformat/riff.c
+++ b/libavformat/riff.c
@@ -327,8 +327,6 @@ const AVCodecTag ff_codec_wav_tags[] = {
     { CODEC_ID_AAC_LATM,        0x1602 },
     { CODEC_ID_AC3,             0x2000 },
     { CODEC_ID_DTS,             0x2001 },
-    { CODEC_ID_SONIC,           0x2048 },
-    { CODEC_ID_SONIC_LS,        0x2048 },
     { CODEC_ID_PCM_MULAW,       0x6c75 },
     { CODEC_ID_AAC,             0x706d },
     { CODEC_ID_AAC,             0x4143 },