diff --git a/collective/limitfilesizepanel/tests/test_upload.py b/collective/limitfilesizepanel/tests/test_upload.py
deleted file mode 100644
index cffca3d..0000000
--- a/collective/limitfilesizepanel/tests/test_upload.py
+++ /dev/null
@@ -1,176 +0,0 @@
-# -*- coding: utf-8 -*-
-from collective.limitfilesizepanel.interfaces import ILimitFileSizePanel
-from collective.limitfilesizepanel.testing import LIMITFILESIZEPANEL_FUNCTIONAL_TESTING
-from plone import api
-from plone.app.testing import setRoles
-from plone.app.testing import TEST_USER_ID
-from plone.registry.interfaces import IRegistry
-from zope.component import queryUtility
-from plone.namedfile.field import validate_image_field
-from plone.namedfile.field import validate_file_field
-from plone.namedfile.interfaces import INamedImageField
-from plone.namedfile.interfaces import INamedFileField
-from zope.interface import implementer
-from plone.namedfile.file import NamedImage
-from plone.namedfile.file import NamedFile
-from io import BytesIO
-from PIL import Image
-from transaction import commit
-from zope.interface.exceptions import Invalid
-
-import unittest
-import json
-
-
-@implementer(INamedImageField)
-class FakeImageField(object):
-    def __init__(self, name=""):
-        self.name = name
-
-    __name__ = "logo"
-
-    def getName(self):
-        return self.name
-
-
-@implementer(INamedFileField)
-class FakeFileField(object):
-    def __init__(self, name=""):
-        self.name = name
-
-    __name__ = "file"
-
-    def getName(self):
-        return self.name
-
-
-class TestValidation(unittest.TestCase):
-    layer = LIMITFILESIZEPANEL_FUNCTIONAL_TESTING
-
-    def setUp(self):
-        self.portal = self.layer["portal"]
-        self.request = self.layer["request"]
-
-        setRoles(self.portal, TEST_USER_ID, ["Manager"])
-        self.registry = queryUtility(IRegistry)
-
-        api.portal.set_registry_record(
-            "new_data_only",
-            False,
-            interface=ILimitFileSizePanel,
-        )
-
-        api.portal.set_registry_record(
-            "file_size",
-            1,
-            interface=ILimitFileSizePanel,
-        )
-        api.portal.set_registry_record(
-            "image_size",
-            1,
-            interface=ILimitFileSizePanel,
-        )
-
-        api.portal.set_registry_record(
-            "types_settings",
-            json.dumps(
-                [{"content_type": "News Item", "field_name": "image", "size": 2}]
-            ),
-            interface=ILimitFileSizePanel,
-        )
-        commit()
-
-    def generate_image(self, needed_size=1):
-        # Set the dimensions of the image
-        width = 1024
-        height = 1024
-        img_size = 1024 * 1024 * needed_size
-        # Create a new image with white background
-        image = Image.new("RGB", (width, height), (255, 255, 255))
-
-        # Save the image to an in-memory buffer as a JPEG file with maximum quality
-        buffer = BytesIO()
-        image.save(buffer, format="JPEG", quality=100)
-
-        # Get the size of the image buffer in bytes
-        size = buffer.tell()
-
-        # Ensure that the image buffer is exactly 1 MB
-        if size < img_size:
-            padding = b"\0" * (img_size - size)
-            buffer.write(padding)
-
-        return buffer
-
-    def test_validate_image_field(self):
-        # field is empty
-        field = FakeImageField()
-        field.context = self.portal
-
-        image = NamedImage()
-
-        # 1mb image is ok
-        image._setData(self.generate_image())
-        validate_image_field(field, image)
-
-        image._setData(self.generate_image(2))
-
-        with self.assertRaises(Invalid) as cm:
-            validate_image_field(field, image)
-
-        self.assertIn(
-            "Validation failed. Uploaded data is too large: 2.0MB (max 1.0MB)",
-            str(cm.exception),
-        )
-
-    def test_validate_file_field(self):
-        # field is empty
-        field = FakeFileField()
-        field.context = self.portal
-
-        example_file = NamedFile()
-        text = " " * (1024 * 1024)
-        example_file._setData(BytesIO(text.encode()))
-        # 1mb file is ok
-        validate_file_field(field, example_file)
-
-        text = " " * (1024 * 1024 * 2)
-        example_file._setData(BytesIO(text.encode()))
-
-        with self.assertRaises(Invalid) as cm:
-            validate_file_field(field, example_file)
-
-        self.assertIn(
-            "Validation failed. Uploaded data is too large: 2.0MB (max 1.0MB)",
-            str(cm.exception),
-        )
-
-    def test_validate_image_field_on_news(self):
-        news = api.content.create(
-            type="News Item",
-            id="news",
-            container=self.portal,
-        )
-
-        field = FakeImageField(name="image")
-        field.context = news
-        image = NamedImage()
-
-        # 1mb image is ok
-        image._setData(self.generate_image())
-        validate_image_field(field, image)
-
-        # 2mb image is ok
-        image._setData(self.generate_image(2))
-        validate_image_field(field, image)
-
-        # 3mb image is not ok
-        image._setData(self.generate_image(3))
-
-        with self.assertRaises(Invalid) as cm:
-            validate_image_field(field, image)
-
-        self.assertIn(
-            "Validation failed. Uploaded data is too large: 3.0MB (max 2.0MB)",
-            str(cm.exception),
-        )