diff --git a/thirdparty/libjpeg-turbo/src/turbojpeg-mp.c b/thirdparty/libjpeg-turbo/src/turbojpeg-mp.c
index 1fa63b8185..72f99e236a 100644
--- a/thirdparty/libjpeg-turbo/src/turbojpeg-mp.c
+++ b/thirdparty/libjpeg-turbo/src/turbojpeg-mp.c
@@ -286,271 +286,6 @@ bailout:
   return retval;
 }
 
-
-/*************************** Packed-Pixel Image I/O **************************/
-
-/* TurboJPEG 3.0+ */
-DLLEXPORT _JSAMPLE *GET_NAME(tj3LoadImage, BITS_IN_JSAMPLE)
-  (tjhandle handle, const char *filename, int *width, int align, int *height,
-   int *pixelFormat)
-{
-  static const char FUNCTION_NAME[] =
-    GET_STRING(tj3LoadImage, BITS_IN_JSAMPLE);
-
-#if BITS_IN_JSAMPLE != 16 || defined(C_LOSSLESS_SUPPORTED)
-
-  int retval = 0, tempc;
-  size_t pitch;
-  tjhandle handle2 = NULL;
-  tjinstance *this2;
-  j_compress_ptr cinfo = NULL;
-  cjpeg_source_ptr src;
-  _JSAMPLE *dstBuf = NULL;
-  FILE *file = NULL;
-  boolean invert;
-
-  GET_TJINSTANCE(handle, NULL)
-
-  if (!filename || !width || align < 1 || !height || !pixelFormat ||
-      *pixelFormat < TJPF_UNKNOWN || *pixelFormat >= TJ_NUMPF)
-    THROW("Invalid argument");
-  if ((align & (align - 1)) != 0)
-    THROW("Alignment must be a power of 2");
-
-  /* The instance handle passed to this function is used only for parameter
-     retrieval.  Create a new temporary instance to avoid interfering with the
-     libjpeg state of the primary instance. */
-  if ((handle2 = tj3Init(TJINIT_COMPRESS)) == NULL) return NULL;
-  this2 = (tjinstance *)handle2;
-  cinfo = &this2->cinfo;
-
-#ifdef _MSC_VER
-  if (fopen_s(&file, filename, "rb") || file == NULL)
-#else
-  if ((file = fopen(filename, "rb")) == NULL)
-#endif
-    THROW_UNIX("Cannot open input file");
-
-  if ((tempc = getc(file)) < 0 || ungetc(tempc, file) == EOF)
-    THROW_UNIX("Could not read input file")
-  else if (tempc == EOF)
-    THROW("Input file contains no data");
-
-  if (setjmp(this2->jerr.setjmp_buffer)) {
-    /* If we get here, the JPEG code has signaled an error. */
-    retval = -1;  goto bailout;
-  }
-
-  cinfo->data_precision = BITS_IN_JSAMPLE;
-  if (*pixelFormat == TJPF_UNKNOWN) cinfo->in_color_space = JCS_UNKNOWN;
-  else cinfo->in_color_space = pf2cs[*pixelFormat];
-  if (tempc == 'B') {
-    if ((src = jinit_read_bmp(cinfo, FALSE)) == NULL)
-      THROW("Could not initialize bitmap loader");
-    invert = !this->bottomUp;
-  } else if (tempc == 'P') {
-#if BITS_IN_JSAMPLE == 8
-    if (this->precision >= 2 && this->precision <= BITS_IN_JSAMPLE)
-#else
-    if (this->precision >= BITS_IN_JSAMPLE - 3 &&
-        this->precision <= BITS_IN_JSAMPLE)
-#endif
-      cinfo->data_precision = this->precision;
-    if ((src = _jinit_read_ppm(cinfo)) == NULL)
-      THROW("Could not initialize PPM loader");
-    invert = this->bottomUp;
-  } else
-    THROW("Unsupported file type");
-
-  cinfo->mem->max_memory_to_use = (long)this->maxMemory * 1048576L;
-
-  src->input_file = file;
-  /* Refuse to load images larger than the specified size. */
-  src->max_pixels = this->maxPixels;
-  (*src->start_input) (cinfo, src);
-  if (tempc == 'B') {
-    if (cinfo->X_density && cinfo->Y_density) {
-      this->xDensity = cinfo->X_density;
-      this->yDensity = cinfo->Y_density;
-      this->densityUnits = cinfo->density_unit;
-    }
-  }
-  (*cinfo->mem->realize_virt_arrays) ((j_common_ptr)cinfo);
-
-  *width = cinfo->image_width;  *height = cinfo->image_height;
-  *pixelFormat = cs2pf[cinfo->in_color_space];
-
-  pitch = PAD((*width) * tjPixelSize[*pixelFormat], align);
-  if (
-#if ULLONG_MAX > SIZE_MAX
-      (unsigned long long)pitch * (unsigned long long)(*height) >
-      (unsigned long long)((size_t)-1) ||
-#endif
-      (dstBuf = (_JSAMPLE *)malloc(pitch * (*height) *
-                                   sizeof(_JSAMPLE))) == NULL)
-    THROW("Memory allocation failure");
-
-  if (setjmp(this2->jerr.setjmp_buffer)) {
-    /* If we get here, the JPEG code has signaled an error. */
-    retval = -1;  goto bailout;
-  }
-
-  while (cinfo->next_scanline < cinfo->image_height) {
-    int i, nlines = (*src->get_pixel_rows) (cinfo, src);
-
-    for (i = 0; i < nlines; i++) {
-      _JSAMPLE *dstptr;
-      int row;
-
-      row = cinfo->next_scanline + i;
-      if (invert) dstptr = &dstBuf[((*height) - row - 1) * pitch];
-      else dstptr = &dstBuf[row * pitch];
-      memcpy(dstptr, src->_buffer[i],
-             (*width) * tjPixelSize[*pixelFormat] * sizeof(_JSAMPLE));
-    }
-    cinfo->next_scanline += nlines;
-  }
-
-  (*src->finish_input) (cinfo, src);
-
-bailout:
-  tj3Destroy(handle2);
-  if (file) fclose(file);
-  if (retval < 0) { free(dstBuf);  dstBuf = NULL; }
-  return dstBuf;
-
-#else /* BITS_IN_JSAMPLE != 16 || defined(C_LOSSLESS_SUPPORTED) */
-
-  static const char ERROR_MSG[] =
-    "16-bit data precision requires lossless JPEG,\n"
-    "which was disabled at build time.";
-  _JSAMPLE *retval = NULL;
-
-  GET_TJINSTANCE(handle, NULL)
-  SNPRINTF(this->errStr, JMSG_LENGTH_MAX, "%s(): %s", FUNCTION_NAME,
-           ERROR_MSG);
-  this->isInstanceError = TRUE;  THROWG(ERROR_MSG, NULL)
-
-bailout:
-  return retval;
-
-#endif
-}
-
-
-/* TurboJPEG 3.0+ */
-DLLEXPORT int GET_NAME(tj3SaveImage, BITS_IN_JSAMPLE)
-  (tjhandle handle, const char *filename, const _JSAMPLE *buffer, int width,
-   int pitch, int height, int pixelFormat)
-{
-  static const char FUNCTION_NAME[] =
-    GET_STRING(tj3SaveImage, BITS_IN_JSAMPLE);
-  int retval = 0;
-
-#if BITS_IN_JSAMPLE != 16 || defined(D_LOSSLESS_SUPPORTED)
-
-  tjhandle handle2 = NULL;
-  tjinstance *this2;
-  j_decompress_ptr dinfo = NULL;
-  djpeg_dest_ptr dst;
-  FILE *file = NULL;
-  char *ptr = NULL;
-  boolean invert;
-
-  GET_TJINSTANCE(handle, -1)
-
-  if (!filename || !buffer || width < 1 || pitch < 0 || height < 1 ||
-      pixelFormat < 0 || pixelFormat >= TJ_NUMPF)
-    THROW("Invalid argument");
-
-  /* The instance handle passed to this function is used only for parameter
-     retrieval.  Create a new temporary instance to avoid interfering with the
-     libjpeg state of the primary instance. */
-  if ((handle2 = tj3Init(TJINIT_DECOMPRESS)) == NULL)
-    return -1;
-  this2 = (tjinstance *)handle2;
-  dinfo = &this2->dinfo;
-
-#ifdef _MSC_VER
-  if (fopen_s(&file, filename, "wb") || file == NULL)
-#else
-  if ((file = fopen(filename, "wb")) == NULL)
-#endif
-    THROW_UNIX("Cannot open output file");
-
-  if (setjmp(this2->jerr.setjmp_buffer)) {
-    /* If we get here, the JPEG code has signaled an error. */
-    retval = -1;  goto bailout;
-  }
-
-  this2->dinfo.out_color_space = pf2cs[pixelFormat];
-  dinfo->image_width = width;  dinfo->image_height = height;
-  dinfo->global_state = DSTATE_READY;
-  dinfo->scale_num = dinfo->scale_denom = 1;
-  dinfo->data_precision = BITS_IN_JSAMPLE;
-
-  ptr = strrchr(filename, '.');
-  if (ptr && !strcasecmp(ptr, ".bmp")) {
-    if ((dst = jinit_write_bmp(dinfo, FALSE, FALSE)) == NULL)
-      THROW("Could not initialize bitmap writer");
-    invert = !this->bottomUp;
-    dinfo->X_density = (UINT16)this->xDensity;
-    dinfo->Y_density = (UINT16)this->yDensity;
-    dinfo->density_unit = (UINT8)this->densityUnits;
-  } else {
-#if BITS_IN_JSAMPLE == 8
-    if (this->precision >= 2 && this->precision <= BITS_IN_JSAMPLE)
-#else
-    if (this->precision >= BITS_IN_JSAMPLE - 3 &&
-        this->precision <= BITS_IN_JSAMPLE)
-#endif
-      dinfo->data_precision = this->precision;
-    if ((dst = _jinit_write_ppm(dinfo)) == NULL)
-      THROW("Could not initialize PPM writer");
-    invert = this->bottomUp;
-  }
-
-  dinfo->mem->max_memory_to_use = (long)this->maxMemory * 1048576L;
-
-  dst->output_file = file;
-  (*dst->start_output) (dinfo, dst);
-  (*dinfo->mem->realize_virt_arrays) ((j_common_ptr)dinfo);
-
-  if (pitch == 0) pitch = width * tjPixelSize[pixelFormat];
-
-  while (dinfo->output_scanline < dinfo->output_height) {
-    _JSAMPLE *rowptr;
-
-    if (invert)
-      rowptr =
-        (_JSAMPLE *)&buffer[(height - dinfo->output_scanline - 1) * pitch];
-    else
-      rowptr = (_JSAMPLE *)&buffer[dinfo->output_scanline * pitch];
-    memcpy(dst->_buffer[0], rowptr,
-           width * tjPixelSize[pixelFormat] * sizeof(_JSAMPLE));
-    (*dst->put_pixel_rows) (dinfo, dst, 1);
-    dinfo->output_scanline++;
-  }
-
-  (*dst->finish_output) (dinfo, dst);
-
-bailout:
-  tj3Destroy(handle2);
-  if (file) fclose(file);
-  return retval;
-
-#else /* BITS_IN_JSAMPLE != 16 || defined(D_LOSSLESS_SUPPORTED) */
-
-  GET_TJINSTANCE(handle, -1)
-  THROW("16-bit data precision requires lossless JPEG,\n"
-        "which was disabled at build time.")
-bailout:
-  return retval;
-
-#endif
-}
-
-
 #undef _JSAMPLE
 #undef _JSAMPROW
 #undef _buffer
diff --git a/thirdparty/libjpeg-turbo/src/turbojpeg.c b/thirdparty/libjpeg-turbo/src/turbojpeg.c
index eec8e2a616..8ce446148a 100644
--- a/thirdparty/libjpeg-turbo/src/turbojpeg.c
+++ b/thirdparty/libjpeg-turbo/src/turbojpeg.c
@@ -3095,48 +3095,3 @@ bailout:
   free(sizes);
   return retval;
 }
-
-
-/*************************** Packed-Pixel Image I/O **************************/
-
-/* tj3LoadImage*() is implemented in turbojpeg-mp.c */
-
-/* TurboJPEG 2.0+ */
-DLLEXPORT unsigned char *tjLoadImage(const char *filename, int *width,
-                                     int align, int *height,
-                                     int *pixelFormat, int flags)
-{
-  tjhandle handle = NULL;
-  unsigned char *dstBuf = NULL;
-
-  if ((handle = tj3Init(TJINIT_COMPRESS)) == NULL) return NULL;
-
-  processFlags(handle, flags, COMPRESS);
-
-  dstBuf = tj3LoadImage8(handle, filename, width, align, height, pixelFormat);
-
-  tj3Destroy(handle);
-  return dstBuf;
-}
-
-
-/* tj3SaveImage*() is implemented in turbojpeg-mp.c */
-
-/* TurboJPEG 2.0+ */
-DLLEXPORT int tjSaveImage(const char *filename, unsigned char *buffer,
-                          int width, int pitch, int height, int pixelFormat,
-                          int flags)
-{
-  tjhandle handle = NULL;
-  int retval = -1;
-
-  if ((handle = tj3Init(TJINIT_DECOMPRESS)) == NULL) return -1;
-
-  processFlags(handle, flags, DECOMPRESS);
-
-  retval = tj3SaveImage8(handle, filename, buffer, width, pitch, height,
-                         pixelFormat);
-
-  tj3Destroy(handle);
-  return retval;
-}