diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index c8f431c..dc20c70 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -26,11 +26,11 @@ jobs:
     - name: Install dependencies
       run: |
         python -m pip install --upgrade pip
-        python -m pip install "setuptools<72"
+        python -m pip install setuptools
         python -m pip install -e .
     - name: Run tests
       run: |
-        python setup.py test
+        python -m unittest
     - name: Test cython files
       run: |
         scripts/install_cython.sh
diff --git a/LIFECYCLE.md b/LIFECYCLE.md
index f4ce5bf..0024119 100644
--- a/LIFECYCLE.md
+++ b/LIFECYCLE.md
@@ -3,7 +3,7 @@
 You must rebuild C files for the tests to pick up your changes.  Try this for iterating:
 
 ```
-$ python setup.py build_ext --inplace && python setup.py test
+$ python setup.py build_ext --inplace && python -m unittest
 ```
 
 # Maintaining built C files
diff --git a/couchdbkit_shim/__init__.py b/couchdbkit_shim/__init__.py
deleted file mode 100644
index 4334e47..0000000
--- a/couchdbkit_shim/__init__.py
+++ /dev/null
@@ -1,25 +0,0 @@
-from __future__ import absolute_import
-from __future__ import unicode_literals
-import six
-__all__ = ['StringProperty', 'IntegerProperty', 'ObjectProperty', 'JsonObject', 'ListProperty']
-
-from couchdbkit import (
-    StringProperty,
-    IntegerProperty,
-    SchemaProperty as ObjectProperty,
-    DocumentSchema as JsonObject,
-)
-
-
-def ListProperty(obj_type):
-    if issubclass(obj_type, JsonObject):
-        from couchdbkit import SchemaListProperty
-        return SchemaListProperty
-    elif obj_type is int:
-        from couchdbkit import ListProperty
-        return ListProperty
-    elif issubclass(obj_type, six.string_types):
-        from couchdbkit import StringListProperty
-        return StringListProperty
-    else:
-        raise TypeError(obj_type)
diff --git a/couchdbkit_shim/requirements.txt b/couchdbkit_shim/requirements.txt
deleted file mode 100644
index 4142500..0000000
--- a/couchdbkit_shim/requirements.txt
+++ /dev/null
@@ -1 +0,0 @@
-couchdbkit==0.5.7
\ No newline at end of file
diff --git a/sample_generator.py b/sample_generator.py
deleted file mode 100644
index f9d64df..0000000
--- a/sample_generator.py
+++ /dev/null
@@ -1,75 +0,0 @@
-from __future__ import absolute_import
-from __future__ import unicode_literals
-import random
-import six
-from six.moves import range
-
-
-def generate_object_type(jo=None):
-    """
-    jo can be either jsonobject (default)
-    or couchdbkit_shim for comparison with couchdbkit
-    """
-    if jo is None:
-        from . import jsonobject as jo
-    WORDS = 'dog cat elephant river candle stripe pin plum'.split()
-    leaf_types = {
-        jo.StringProperty: six.text_type,
-        jo.IntegerProperty: int,
-    }
-    used_phrases = set()
-
-    def get_phrase(n=2):
-        phrase = tuple(random.sample(WORDS, n))
-        if phrase in used_phrases or len(set(phrase)) < n:
-            phrase = get_phrase()
-        else:
-            used_phrases.add(phrase)
-        return phrase
-
-    def generate_class_name(words=None):
-        words = words or get_phrase()
-        return ''.join([s.title() for s in words])
-
-    def generate_property_name(words=None):
-        words = words or get_phrase()
-        return '_'.join(words)
-
-    def generate_list_name(words=None):
-        words = words or get_phrase()
-        return generate_property_name(words) + 's'
-
-    object_types = []
-
-    def generate_object_type(words=None):
-        class_name = generate_class_name(words)
-        n_properties = random.choice(list(range(5)))
-        dct = {}
-        for _ in range(n_properties):
-            words = get_phrase()
-
-            property_type = random.choice([
-                jo.ObjectProperty,
-                jo.ListProperty,
-                Ellipsis
-            ])
-            if property_type is jo.ObjectProperty:
-                property_name = generate_property_name(words)
-                dct[property_name] = jo.ObjectProperty(generate_object_type(words))
-            elif property_type is jo.ListProperty:
-                property_name = generate_list_name(words)
-                dct[property_name] = jo.ListProperty(generate_list_type(words))
-
-        object_type = type(jo.JsonObject)(class_name, (jo.JsonObject,), dct)
-        object_types.append(object_type)
-        return object_type
-
-    def generate_list_type(words=None):
-        property_type = random.choice([jo.ObjectProperty, Ellipsis])
-        if property_type is jo.ObjectProperty:
-            return generate_object_type(words)
-        else:
-            return random.choice(list(leaf_types.values()))
-
-    return generate_object_type(), object_types
-
diff --git a/setup.py b/setup.py
index 8eb836d..5e5f71f 100644
--- a/setup.py
+++ b/setup.py
@@ -50,7 +50,6 @@
     setup_requires=CYTHON_REQUIRES,
     install_requires=['six'],
     ext_modules=extensions,
-    test_suite='test',
     classifiers=(
         'Programming Language :: Python',
         'Programming Language :: Python :: 3',
diff --git a/testcouchdbkit.py b/testcouchdbkit.py
deleted file mode 100644
index 3e5e41c..0000000
--- a/testcouchdbkit.py
+++ /dev/null
@@ -1,11 +0,0 @@
-from __future__ import absolute_import
-from __future__ import unicode_literals
-from test.couchdbkit.application import Application
-import os
-import json
-from io import open
-
-if __name__ == '__main__':
-    name = 'large'
-    with open(os.path.join('test', 'couchdbkit', 'data', '{0}.json'.format(name)), encoding='utf-8') as f:
-        Application.wrap(json.load(f))
diff --git a/tox.ini b/tox.ini
deleted file mode 100644
index e5e0390..0000000
--- a/tox.ini
+++ /dev/null
@@ -1,7 +0,0 @@
-[tox]
-envlist = py37,py38,py39,py310,py311,py312
-[testenv]
-deps =
-    unittest2
-commands=python setup.py test
-