diff --git a/src/image.c b/src/image.c
index a3afd8b..2b4a081 100644
--- a/src/image.c
+++ b/src/image.c
@@ -90,55 +90,3 @@ image_from_file(const char *path, const char **errstr)
 
   return img;
 }
-
-int
-image_bitmap(bitmap_t *bitmap, image_t *image, char **errstr)
-{
-  gdImagePtr src, dst = (NULL, NULL);
-  int16_t res_x, res_y = (160, 160);
-  int16_t i, j;
-  int oldcolor, newcolor, index;
-
-  assert((dst = gdImageCreateTrueColor(res_x, res_y)) != NULL);
-
-  /* resample to 160x160 */
-  gdImageCopyResampled(dst, image->data,
-    0,            0,             /* dstX, dstY */
-    0,            0,             /* srcX, srcY */
-    res_x,        res_y,         /* dstW, dstH */
-    image->res_x, image->res_y); /* srcW, srcH */
-
-  /* grayscale */
-  gdFree(src);
-  src = dst;
-  assert((dst = gdImageCreateTrueColor(res_x, res_y)) != NULL);
-  for (i = 0; i < res_x; i++) {
-    for (j = 0; j < res_x; j++) {
-      /* WTF: begin */
-      oldcolor = gdImageGetPixel(src, i, j);
-      newcolor = 0;
-      newcolor += 2 * gdImageGreen (src, oldcolor);
-      newcolor += 3 * gdImageRed   (src, oldcolor);
-      newcolor += 4 * gdImageBlue  (src, oldcolor);
-      newcolor /= 9;
-      /* WTF: end */
-      if ((index = gdImageColorExact(dst,newcolor,newcolor,newcolor)) == -1) {
-        index = gdImageColorAllocate(dst,newcolor,newcolor,newcolor);
-      }
-      gdImageSetPixel(dst, i, j, index);
-    }
-  }
-
-  /* blur */
-  gdFree(src);
-  src = dst;
-  assert((dst = gdImageCreateTrueColor(res_x, res_y)) != NULL);
-
-  /* normalize (intensity) */
-  /* equalize (contrast) (sharpen?) */
-  /* resample to 16x16 */
-  /* convert to b&w (treshold?) */
-  /* make bitmap */
-
-  return 0;
-}
diff --git a/src/image.h b/src/image.h
index db5668c..4805cb0 100644
--- a/src/image.h
+++ b/src/image.h
@@ -11,11 +11,5 @@ typedef struct
  */
 image_t *
 image_from_file(const char *path, const char **errstr);
-
-/**
- * @returns: 0 on success, -1 on error
- */
-int
-image_bitmap(bitmap_t *bitmap, image_t *image, char **errstr);
 #endif
 #define HAS_IMAGE_H 1