diff --git a/convert_camera_dump.py b/convert_camera_dump.py
deleted file mode 100644
index 11f923e38..000000000
--- a/convert_camera_dump.py
+++ /dev/null
@@ -1,129 +0,0 @@
-#!/usr/bin/env python3
-import os
-import re
-import struct
-import sys
-import zlib
-
-
-def write_png_rgb(path, width, height, rgb):
-    def chunk(tag, data):
-        body = tag + data
-        return struct.pack(">I", len(data)) + body + struct.pack(">I", zlib.crc32(body) & 0xFFFFFFFF)
-
-    rows = bytearray()
-    stride = width * 3
-    for y in range(height):
-        rows.append(0)
-        start = y * stride
-        rows.extend(rgb[start:start + stride])
-
-    ihdr = struct.pack(">IIBBBBB", width, height, 8, 2, 0, 0, 0)
-    with open(path, "wb") as f:
-        f.write(b"\x89PNG\r\n\x1a\n")
-        f.write(chunk(b"IHDR", ihdr))
-        f.write(chunk(b"IDAT", zlib.compress(bytes(rows), 6)))
-        f.write(chunk(b"IEND", b""))
-
-
-def write_png_gray(path, width, height, gray):
-    def chunk(tag, data):
-        body = tag + data
-        return struct.pack(">I", len(data)) + body + struct.pack(">I", zlib.crc32(body) & 0xFFFFFFFF)
-
-    rows = bytearray()
-    for y in range(height):
-        rows.append(0)
-        start = y * width
-        rows.extend(gray[start:start + width])
-
-    ihdr = struct.pack(">IIBBBBB", width, height, 8, 0, 0, 0, 0)
-    with open(path, "wb") as f:
-        f.write(b"\x89PNG\r\n\x1a\n")
-        f.write(chunk(b"IHDR", ihdr))
-        f.write(chunk(b"IDAT", zlib.compress(bytes(rows), 6)))
-        f.write(chunk(b"IEND", b""))
-
-
-def clamp(v):
-    if v < 0:
-        return 0
-    if v > 255:
-        return 255
-    return v
-
-
-def yuv420sp_to_rgb(y_plane, uv_plane, width, height, nv21=False):
-    rgb = bytearray(width * height * 3)
-    for y in range(height):
-        y_row = y * width
-        uv_row = (y // 2) * width
-        out_row = y_row * 3
-        for x in range(width):
-            yy = y_plane[y_row + x]
-            uv_index = uv_row + (x & ~1)
-            if nv21:
-                v = uv_plane[uv_index] - 128
-                u = uv_plane[uv_index + 1] - 128
-            else:
-                u = uv_plane[uv_index] - 128
-                v = uv_plane[uv_index + 1] - 128
-
-            c = yy - 16
-            if c < 0:
-                c = 0
-            r = (298 * c + 409 * v + 128) >> 8
-            g = (298 * c - 100 * u - 208 * v + 128) >> 8
-            b = (298 * c + 516 * u + 128) >> 8
-
-            out = out_row + x * 3
-            rgb[out] = clamp(r)
-            rgb[out + 1] = clamp(g)
-            rgb[out + 2] = clamp(b)
-    return rgb
-
-
-def main():
-    dump_dir = sys.argv[1] if len(sys.argv) > 1 else "/home/user/dump"
-    out_dir = os.path.join(dump_dir, "png")
-    os.makedirs(out_dir, exist_ok=True)
-
-    pattern = re.compile(r"^(\d{8})_(\d+)X(\d+)_y\.raw$")
-    converted = 0
-    for name in sorted(os.listdir(dump_dir)):
-        m = pattern.match(name)
-        if not m:
-            continue
-        frame, width_s, height_s = m.groups()
-        width = int(width_s)
-        height = int(height_s)
-        y_path = os.path.join(dump_dir, name)
-        uv_path = os.path.join(dump_dir, f"{frame}_{width}X{height}_uv.raw")
-        if not os.path.exists(uv_path):
-            print(f"skip {frame}: missing {uv_path}")
-            continue
-
-        with open(y_path, "rb") as f:
-            y_plane = f.read()
-        with open(uv_path, "rb") as f:
-            uv_plane = f.read()
-
-        expected_y = width * height
-        expected_uv = width * height // 2
-        if len(y_plane) != expected_y or len(uv_plane) != expected_uv:
-            print(f"skip {frame}: bad size y={len(y_plane)} uv={len(uv_plane)} expected {expected_y}/{expected_uv}")
-            continue
-
-        base = os.path.join(out_dir, f"{frame}_{width}x{height}")
-        write_png_gray(base + "_gray.png", width, height, y_plane)
-        write_png_rgb(base + "_nv12.png", width, height, yuv420sp_to_rgb(y_plane, uv_plane, width, height, nv21=False))
-        write_png_rgb(base + "_nv21.png", width, height, yuv420sp_to_rgb(y_plane, uv_plane, width, height, nv21=True))
-        converted += 1
-        print(f"converted frame {frame}: gray/nv12/nv21")
-
-    print(f"output: {out_dir}")
-    print(f"frames: {converted}")
-
-
-if __name__ == "__main__":
-    main()