diff --git a/configure b/configure
index 700003aba3..6ee6aecac2 100755
--- a/configure
+++ b/configure
@@ -2733,7 +2733,7 @@ h264dsp_select="startcode"
 hevcparse_select="atsc_a53 golomb"
 frame_thread_encoder_deps="encoders threads"
 inflate_wrapper_deps="zlib"
-intrax8_select="blockdsp idctdsp"
+intrax8_select="blockdsp"
 iso_media_select="mpeg4audio"
 mdct_select="fft"
 mdct15_select="fft"
diff --git a/libavcodec/intrax8.c b/libavcodec/intrax8.c
index 73b8aeea78..b99e8590b1 100644
--- a/libavcodec/intrax8.c
+++ b/libavcodec/intrax8.c
@@ -25,7 +25,6 @@
 #include "libavutil/thread.h"
 #include "avcodec.h"
 #include "get_bits.h"
-#include "idctdsp.h"
 #include "msmpeg4data.h"
 #include "intrax8huf.h"
 #include "intrax8.h"
@@ -692,7 +691,7 @@ static void x8_init_block_index(IntraX8Context *w, AVFrame *frame)
 }
 
 av_cold int ff_intrax8_common_init(AVCodecContext *avctx,
-                                   IntraX8Context *w, IDCTDSPContext *idsp,
+                                   IntraX8Context *w,
                                    int16_t (*block)[64],
                                    int block_last_index[12],
                                    int mb_width, int mb_height)
@@ -700,7 +699,6 @@ av_cold int ff_intrax8_common_init(AVCodecContext *avctx,
     static AVOnce init_static_once = AV_ONCE_INIT;
 
     w->avctx = avctx;
-    w->idsp = *idsp;
     w->mb_width  = mb_width;
     w->mb_height = mb_height;
     w->block = block;
diff --git a/libavcodec/intrax8.h b/libavcodec/intrax8.h
index 5b8946ea25..3ebbf73434 100644
--- a/libavcodec/intrax8.h
+++ b/libavcodec/intrax8.h
@@ -44,7 +44,6 @@ typedef struct IntraX8Context {
 
     // set by the caller codec
     IntraX8DSPContext dsp;
-    IDCTDSPContext idsp;
     BlockDSPContext bdsp;
     int quant;
     int dquant;
@@ -86,7 +85,7 @@ typedef struct IntraX8Context {
  * @return 0 on success, a negative AVERROR value on error
  */
 int ff_intrax8_common_init(AVCodecContext *avctx,
-                           IntraX8Context *w, IDCTDSPContext *idsp,
+                           IntraX8Context *w,
                            int16_t (*block)[64],
                            int block_last_index[12],
                            int mb_width, int mb_height);
diff --git a/libavcodec/vc1dec.c b/libavcodec/vc1dec.c
index 5c5b31ad32..b53490b3ab 100644
--- a/libavcodec/vc1dec.c
+++ b/libavcodec/vc1dec.c
@@ -391,7 +391,7 @@ av_cold int ff_vc1_decode_init_alloc_tables(VC1Context *v)
                 goto error;
     }
 
-    ret = ff_intrax8_common_init(s->avctx, &v->x8, &s->idsp,
+    ret = ff_intrax8_common_init(s->avctx, &v->x8,
                                  s->block, s->block_last_index,
                                  s->mb_width, s->mb_height);
     if (ret < 0)
diff --git a/libavcodec/wmv2dec.c b/libavcodec/wmv2dec.c
index e61b549439..6d9b72d123 100644
--- a/libavcodec/wmv2dec.c
+++ b/libavcodec/wmv2dec.c
@@ -578,7 +578,7 @@ static av_cold int wmv2_decode_init(AVCodecContext *avctx)
     ff_init_scantable(s->idsp.idct_permutation, &w->abt_scantable[1],
                       ff_wmv2_scantableB);
 
-    return ff_intrax8_common_init(avctx, &w->x8, &w->s.idsp,
+    return ff_intrax8_common_init(avctx, &w->x8,
                                   w->s.block, w->s.block_last_index,
                                   w->s.mb_width, w->s.mb_height);
 }