diff --git a/libavformat/matroskaenc.c b/libavformat/matroskaenc.c
index 0ab1832cb7..4f9bf0a723 100644
--- a/libavformat/matroskaenc.c
+++ b/libavformat/matroskaenc.c
@@ -438,7 +438,6 @@ static int put_xiph_codecpriv(AVFormatContext *s, AVIOContext *pb, AVCodecContex
 
 static void get_aac_sample_rates(AVFormatContext *s, AVCodecContext *codec, int *sample_rate, int *output_sample_rate)
 {
-    int sri;
     MPEG4AudioConfig mp4ac;
 
     if (ff_mpeg4audio_get_config(&mp4ac, codec->extradata, codec->extradata_size) < 0) {