diff --git a/libavcodec/vp8.c b/libavcodec/vp8.c
index 7972775a1c..6b49ec9fe7 100644
--- a/libavcodec/vp8.c
+++ b/libavcodec/vp8.c
@@ -2887,7 +2887,6 @@ int vp78_decode_init(AVCodecContext *avctx, int is_vp7)
     int ret;
 
     s->avctx = avctx;
-    s->vp7   = avctx->codec->id == AV_CODEC_ID_VP7;
     s->pix_fmt = AV_PIX_FMT_NONE;
     avctx->pix_fmt = AV_PIX_FMT_YUV420P;
 
diff --git a/libavcodec/vp8.h b/libavcodec/vp8.h
index eb9fa2f166..798f67b3de 100644
--- a/libavcodec/vp8.h
+++ b/libavcodec/vp8.h
@@ -331,8 +331,6 @@ typedef struct VP8Context {
     int (*decode_mb_row_no_filter)(AVCodecContext *avctx, void *tdata, int jobnr, int threadnr);
     void (*filter_mb_row)(AVCodecContext *avctx, void *tdata, int jobnr, int threadnr);
 
-    int vp7;
-
     /**
      * Interframe DC prediction (VP7)
      * [0] VP8_FRAME_PREVIOUS