diff --git a/tests/util.py b/tests/util.py
index c7e1bf0f..63d189f6 100644
--- a/tests/util.py
+++ b/tests/util.py
@@ -1,14 +1,11 @@
 import asyncio
 import atexit
-import importlib
 import os
 import platform
 import sys
 import tempfile
-from collections.abc import Callable, Generator
-from dataclasses import dataclass
+from collections.abc import Generator
 from pathlib import Path
-from types import ModuleType
 
 os.environ["PROTOCOL_BUFFERS_PYTHON_IMPLEMENTATION"] = "python"
 
@@ -86,67 +83,3 @@ async def protoc(
     )
     stdout, stderr = await proc.communicate()
     return stdout, stderr, proc.returncode
-
-
-@dataclass
-class TestCaseJsonFile:
-    json: str
-    test_name: str
-    file_name: str
-
-    def belongs_to(self, non_symmetrical_json: dict[str, tuple[str, ...]]) -> bool:
-        return self.file_name in non_symmetrical_json.get(self.test_name, ())
-
-
-def get_test_case_json_data(test_case_name: str, *json_file_names: str) -> list[TestCaseJsonFile]:
-    """
-    :return:
-        A list of all files found in "{inputs_path}/test_case_name" with names matching
-        f"{test_case_name}.json" or f"{test_case_name}_*.json", OR given by
-        json_file_names
-    """
-    test_case_dir = inputs_path.joinpath(test_case_name)
-    possible_file_paths = [
-        *(test_case_dir.joinpath(json_file_name) for json_file_name in json_file_names),
-        test_case_dir.joinpath(f"{test_case_name}.json"),
-        *test_case_dir.glob(f"{test_case_name}_*.json"),
-    ]
-
-    result = []
-    for test_data_file_path in possible_file_paths:
-        if not test_data_file_path.exists():
-            continue
-        with test_data_file_path.open("r") as fh:
-            result.append(TestCaseJsonFile(fh.read(), test_case_name, test_data_file_path.name.split(".")[0]))
-
-    return result
-
-
-def find_module(module: ModuleType, predicate: Callable[[ModuleType], bool]) -> ModuleType | None:
-    """
-    Recursively search module tree for a module that matches the search predicate.
-    Assumes that the submodules are directories containing __init__.py.
-
-    Example:
-
-        # find module inside foo that contains Test
-        import foo
-        test_module = find_module(foo, lambda m: hasattr(m, 'Test'))
-    """
-    if predicate(module):
-        return module
-
-    module_path = Path(*module.__path__)
-
-    for sub in [sub.parent for sub in module_path.glob("**/__init__.py")]:
-        if sub == module_path:
-            continue
-        sub_module_path = sub.relative_to(module_path)
-        sub_module_name = ".".join(sub_module_path.parts)
-
-        sub_module = importlib.import_module(f".{sub_module_name}", module.__name__)
-
-        if predicate(sub_module):
-            return sub_module
-
-    return None