diff --git a/src/arcaea_offline_ocr/utils.py b/src/arcaea_offline_ocr/utils.py
index d7466d2..9fa9390 100644
--- a/src/arcaea_offline_ocr/utils.py
+++ b/src/arcaea_offline_ocr/utils.py
@@ -1,10 +1,8 @@
-import io
 from collections.abc import Iterable
 from typing import Callable, TypeVar, Union, overload
 
 import cv2
 import numpy as np
-from PIL import Image, ImageCms
 
 from .types import XYWHRect
 
@@ -46,25 +44,3 @@ def apply_factor(item, factor: float):
         return item * factor
     elif isinstance(item, Iterable):
         return item.__class__([i * factor for i in item])
-
-
-def convert_to_srgb(pil_img: Image.Image):
-    """
-    Convert PIL image to sRGB color space (if possible)
-    and save the converted file.
-
-    https://stackoverflow.com/a/65667797/16484891
-
-    CC BY-SA 4.0
-    """
-    icc = pil_img.info.get("icc_profile", "")
-    icc_conv = ""
-
-    if icc:
-        io_handle = io.BytesIO(icc)  # virtual file
-        src_profile = ImageCms.ImageCmsProfile(io_handle)
-        dst_profile = ImageCms.createProfile("sRGB")
-        img_conv = ImageCms.profileToProfile(pil_img, src_profile, dst_profile)
-        icc_conv = img_conv.info.get("icc_profile", "")
-
-    return img_conv if icc != icc_conv else pil_img