diff --git a/libavcodec/j2kenc.c b/libavcodec/j2kenc.c
index c51adadd13..17eb959d73 100644
--- a/libavcodec/j2kenc.c
+++ b/libavcodec/j2kenc.c
@@ -1780,7 +1780,6 @@ static av_cold int j2kenc_init(AVCodecContext *avctx)
     }
 
     ff_jpeg2000_init_tier1_luts();
-    ff_mqc_init_context_tables();
     init_luts();
 
     init_quantization(s);
diff --git a/libavcodec/jpeg2000dec.c b/libavcodec/jpeg2000dec.c
index 5364631432..1295c96305 100644
--- a/libavcodec/jpeg2000dec.c
+++ b/libavcodec/jpeg2000dec.c
@@ -2476,7 +2476,6 @@ static int jp2_find_codestream(Jpeg2000DecoderContext *s)
 static av_cold void jpeg2000_init_static_data(void)
 {
     ff_jpeg2000_init_tier1_luts();
-    ff_mqc_init_context_tables();
 }
 
 static av_cold int jpeg2000_decode_init(AVCodecContext *avctx)
diff --git a/libavcodec/mqc.c b/libavcodec/mqc.c
index f2d1e3b838..6f7088ec48 100644
--- a/libavcodec/mqc.c
+++ b/libavcodec/mqc.c
@@ -28,85 +28,38 @@
 #include <string.h>
 #include <stdint.h>
 
-#include "libavutil/attributes.h"
-
 #include "mqc.h"
 
-/* MQ coder context state structure */
-typedef struct MqcCxState {
-    uint16_t qe;
-    uint8_t  nmps;
-    uint8_t  nlps;
-    uint8_t  sw;
-} MqcCxState;
-
-static const MqcCxState cx_states[47] = {
-    { 0x5601,  1,  1, 1 },
-    { 0x3401,  2,  6, 0 },
-    { 0x1801,  3,  9, 0 },
-    { 0x0AC1,  4, 12, 0 },
-    { 0x0521,  5, 29, 0 },
-    { 0x0221, 38, 33, 0 },
-    { 0x5601,  7,  6, 1 },
-    { 0x5401,  8, 14, 0 },
-    { 0x4801,  9, 14, 0 },
-    { 0x3801, 10, 14, 0 },
-    { 0x3001, 11, 17, 0 },
-    { 0x2401, 12, 18, 0 },
-    { 0x1C01, 13, 20, 0 },
-    { 0x1601, 29, 21, 0 },
-    { 0x5601, 15, 14, 1 },
-    { 0x5401, 16, 14, 0 },
-    { 0x5101, 17, 15, 0 },
-    { 0x4801, 18, 16, 0 },
-    { 0x3801, 19, 17, 0 },
-    { 0x3401, 20, 18, 0 },
-    { 0x3001, 21, 19, 0 },
-    { 0x2801, 22, 19, 0 },
-    { 0x2401, 23, 20, 0 },
-    { 0x2201, 24, 21, 0 },
-    { 0x1C01, 25, 22, 0 },
-    { 0x1801, 26, 23, 0 },
-    { 0x1601, 27, 24, 0 },
-    { 0x1401, 28, 25, 0 },
-    { 0x1201, 29, 26, 0 },
-    { 0x1101, 30, 27, 0 },
-    { 0x0AC1, 31, 28, 0 },
-    { 0x09C1, 32, 29, 0 },
-    { 0x08A1, 33, 30, 0 },
-    { 0x0521, 34, 31, 0 },
-    { 0x0441, 35, 32, 0 },
-    { 0x02A1, 36, 33, 0 },
-    { 0x0221, 37, 34, 0 },
-    { 0x0141, 38, 35, 0 },
-    { 0x0111, 39, 36, 0 },
-    { 0x0085, 40, 37, 0 },
-    { 0x0049, 41, 38, 0 },
-    { 0x0025, 42, 39, 0 },
-    { 0x0015, 43, 40, 0 },
-    { 0x0009, 44, 41, 0 },
-    { 0x0005, 45, 42, 0 },
-    { 0x0001, 45, 43, 0 },
-    { 0x5601, 46, 46, 0 }
+const uint16_t ff_mqc_qe[2 * 47] = {
+    0x5601, 0x5601, 0x3401, 0x3401, 0x1801, 0x1801, 0x0ac1, 0x0ac1,
+    0x0521, 0x0521, 0x0221, 0x0221, 0x5601, 0x5601, 0x5401, 0x5401,
+    0x4801, 0x4801, 0x3801, 0x3801, 0x3001, 0x3001, 0x2401, 0x2401,
+    0x1c01, 0x1c01, 0x1601, 0x1601, 0x5601, 0x5601, 0x5401, 0x5401,
+    0x5101, 0x5101, 0x4801, 0x4801, 0x3801, 0x3801, 0x3401, 0x3401,
+    0x3001, 0x3001, 0x2801, 0x2801, 0x2401, 0x2401, 0x2201, 0x2201,
+    0x1c01, 0x1c01, 0x1801, 0x1801, 0x1601, 0x1601, 0x1401, 0x1401,
+    0x1201, 0x1201, 0x1101, 0x1101, 0x0ac1, 0x0ac1, 0x09c1, 0x09c1,
+    0x08a1, 0x08a1, 0x0521, 0x0521, 0x0441, 0x0441, 0x02a1, 0x02a1,
+    0x0221, 0x0221, 0x0141, 0x0141, 0x0111, 0x0111, 0x0085, 0x0085,
+    0x0049, 0x0049, 0x0025, 0x0025, 0x0015, 0x0015, 0x0009, 0x0009,
+    0x0005, 0x0005, 0x0001, 0x0001, 0x5601, 0x5601
+};
+const uint8_t ff_mqc_nlps[2 * 47] = {
+     3,  2, 12, 13, 18, 19, 24, 25, 58, 59, 66, 67, 13, 12, 28, 29,
+    28, 29, 28, 29, 34, 35, 36, 37, 40, 41, 42, 43, 29, 28, 28, 29,
+    30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 38, 39, 40, 41, 42, 43,
+    44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59,
+    60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73, 74, 75,
+    76, 77, 78, 79, 80, 81, 82, 83, 84, 85, 86, 87, 92, 93
+};
+const uint8_t ff_mqc_nmps[2 * 47] = {
+     2,  3,  4,  5,  6,  7,  8,  9, 10, 11, 76, 77, 14, 15, 16, 17,
+    18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 58, 59, 30, 31, 32, 33,
+    34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49,
+    50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65,
+    66, 67, 68, 69, 70, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81,
+    82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 90, 91, 92, 93
 };
-
-uint16_t ff_mqc_qe [2 * 47];
-uint8_t ff_mqc_nlps[2 * 47];
-uint8_t ff_mqc_nmps[2 * 47];
-
-void av_cold ff_mqc_init_context_tables(void)
-{
-    int i;
-    for (i = 0; i < 47; i++) {
-        ff_mqc_qe[2 * i]     =
-        ff_mqc_qe[2 * i + 1] = cx_states[i].qe;
-
-        ff_mqc_nlps[2 * i]     = 2 * cx_states[i].nlps + cx_states[i].sw;
-        ff_mqc_nlps[2 * i + 1] = 2 * cx_states[i].nlps + 1 - cx_states[i].sw;
-        ff_mqc_nmps[2 * i]     = 2 * cx_states[i].nmps;
-        ff_mqc_nmps[2 * i + 1] = 2 * cx_states[i].nmps + 1;
-    }
-}
 
 void ff_mqc_init_contexts(MqcState *mqc)
 {
diff --git a/libavcodec/mqc.h b/libavcodec/mqc.h
index 73604d5efe..ad80fe9228 100644
--- a/libavcodec/mqc.h
+++ b/libavcodec/mqc.h
@@ -33,9 +33,9 @@
 #define MQC_CX_UNI 17
 #define MQC_CX_RL  18
 
-extern uint16_t ff_mqc_qe[2 * 47];
-extern uint8_t  ff_mqc_nlps[2 * 47];
-extern uint8_t  ff_mqc_nmps[2 * 47];
+extern const uint16_t ff_mqc_qe[2 * 47];
+extern const uint8_t  ff_mqc_nlps[2 * 47];
+extern const uint8_t  ff_mqc_nmps[2 * 47];
 
 typedef struct MqcState {
     uint8_t *bp, *bpstart;
@@ -79,11 +79,6 @@ int ff_mqc_decode(MqcState *mqc, uint8_t *cxstate);
 
 /* common */
 
-/**
- * MQ-coder Initialize context tables (QE, NLPS, NMPS)
- */
-void ff_mqc_init_context_tables(void);
-
 /**
  * MQ-coder context initialisations.
  * @param mqc       MQ-coder context