diff --git a/libavcodec/alacenc.c b/libavcodec/alacenc.c
index 804cc7b17b..fc5fa270e6 100644
--- a/libavcodec/alacenc.c
+++ b/libavcodec/alacenc.c
@@ -498,8 +498,6 @@ static av_cold int alac_encode_close(AVCodecContext *avctx)
 {
     AlacEncodeContext *s = avctx->priv_data;
     ff_lpc_end(&s->lpc_ctx);
-    av_freep(&avctx->extradata);
-    avctx->extradata_size = 0;
     return 0;
 }