diff --git a/libavcodec/cri.c b/libavcodec/cri.c
index 0380a0c665..c4eb468610 100644
--- a/libavcodec/cri.c
+++ b/libavcodec/cri.c
@@ -70,7 +70,6 @@ static av_cold int cri_decode_init(AVCodecContext *avctx)
         return AVERROR(ENOMEM);
     s->jpeg_avctx->flags = avctx->flags;
     s->jpeg_avctx->flags2 = avctx->flags2;
-    s->jpeg_avctx->dct_algo = avctx->dct_algo;
     s->jpeg_avctx->idct_algo = avctx->idct_algo;
     ret = avcodec_open2(s->jpeg_avctx, codec, NULL);
     if (ret < 0)
diff --git a/libavcodec/tdsc.c b/libavcodec/tdsc.c
index 739738d9b1..624e219cb4 100644
--- a/libavcodec/tdsc.c
+++ b/libavcodec/tdsc.c
@@ -127,7 +127,6 @@ static av_cold int tdsc_init(AVCodecContext *avctx)
         return AVERROR(ENOMEM);
     ctx->jpeg_avctx->flags = avctx->flags;
     ctx->jpeg_avctx->flags2 = avctx->flags2;
-    ctx->jpeg_avctx->dct_algo = avctx->dct_algo;
     ctx->jpeg_avctx->idct_algo = avctx->idct_algo;
     ret = avcodec_open2(ctx->jpeg_avctx, codec, NULL);
     if (ret < 0)
diff --git a/libavcodec/tiff.c b/libavcodec/tiff.c
index 3ce441aa2c..71cb703821 100644
--- a/libavcodec/tiff.c
+++ b/libavcodec/tiff.c
@@ -2416,7 +2416,6 @@ static av_cold int tiff_init(AVCodecContext *avctx)
         return AVERROR(ENOMEM);
     s->avctx_mjpeg->flags = avctx->flags;
     s->avctx_mjpeg->flags2 = avctx->flags2;
-    s->avctx_mjpeg->dct_algo = avctx->dct_algo;
     s->avctx_mjpeg->idct_algo = avctx->idct_algo;
     s->avctx_mjpeg->max_pixels = avctx->max_pixels;
     ret = avcodec_open2(s->avctx_mjpeg, codec, NULL);