diff --git a/src/ptbench/data/image_utils.py b/src/ptbench/data/image_utils.py
index 99df51c8ac6b6ac0425c0dbb6013ebf36bc3ab7c..3dce9cd27ac8cf5958a4c87d7233bf9efb265915 100644
--- a/src/ptbench/data/image_utils.py
+++ b/src/ptbench/data/image_utils.py
@@ -3,8 +3,6 @@
 # SPDX-License-Identifier: GPL-3.0-or-later
 """Data loading code."""
 
-import pathlib
-
 import numpy
 import PIL.Image
 
@@ -47,70 +45,3 @@ def remove_black_borders(
 
     else:
         raise NotImplementedError
-
-
-class RemoveBlackBorders:
-    """Remove black borders of CXR."""
-
-    def __init__(self, threshold=0):
-        self.threshold = threshold
-
-    def __call__(self, img):
-        return remove_black_borders(img, self.threshold)
-
-
-def load_pil(path: str | pathlib.Path) -> PIL.Image.Image:
-    """Loads a sample data.
-
-    Parameters
-    ----------
-
-    path
-        The full path leading to the image to be loaded
-
-
-    Returns
-    -------
-
-    image
-        A PIL image
-    """
-    return PIL.Image.open(path)
-
-
-def load_pil_grayscale(path: str | pathlib.Path) -> PIL.Image.Image:
-    """Loads a sample data in grayscale mode ("L").
-
-    Parameters
-    ----------
-
-    path
-        The full path leading to the image to be loaded
-
-
-    Returns
-    -------
-
-    image
-        A PIL image in grayscale mode
-    """
-    return load_pil(path).convert("L")
-
-
-def load_pil_rgb(path: str | pathlib.Path) -> PIL.Image.Image:
-    """Loads a sample data in RGB mode ("RGB").
-
-    Parameters
-    ----------
-
-    path
-        The full path leading to the image to be loaded
-
-
-    Returns
-    -------
-
-    image
-        A PIL image in RGB mode
-    """
-    return load_pil(path).convert("RGB")