diff --git a/tools/testing/kunit/kunit_kernel.py b/tools/testing/kunit/kunit_kernel.py
index 3539efaf99ba..8bc8305ba817 100644
--- a/tools/testing/kunit/kunit_kernel.py
+++ b/tools/testing/kunit/kunit_kernel.py
@@ -219,7 +219,6 @@ class LinuxSourceTree:
 	def __init__(
 	      self,
 	      build_dir: str,
-	      load_config=True,
 	      kunitconfig_path='',
 	      kconfig_add: Optional[List[str]]=None,
 	      arch=None,
@@ -233,9 +232,6 @@ class LinuxSourceTree:
 			self._arch = 'um' if arch is None else arch
 			self._ops = get_source_tree_ops(self._arch, cross_compile)
 
-		if not load_config:
-			return
-
 		if kunitconfig_path:
 			if os.path.isdir(kunitconfig_path):
 				kunitconfig_path = os.path.join(kunitconfig_path, KUNITCONFIG_PATH)
diff --git a/tools/testing/kunit/kunit_tool_test.py b/tools/testing/kunit/kunit_tool_test.py
index 25a2eb3bf114..b9158017ece6 100755
--- a/tools/testing/kunit/kunit_tool_test.py
+++ b/tools/testing/kunit/kunit_tool_test.py
@@ -393,7 +393,7 @@ class LinuxSourceTreeTest(unittest.TestCase):
 			return subprocess.Popen(['echo "hi\nbye"'], shell=True, text=True, stdout=subprocess.PIPE)
 
 		with tempfile.TemporaryDirectory('') as build_dir:
-			tree = kunit_kernel.LinuxSourceTree(build_dir, load_config=False)
+			tree = kunit_kernel.LinuxSourceTree(build_dir)
 			mock.patch.object(tree._ops, 'start', side_effect=fake_start).start()
 
 			with self.assertRaises(ValueError):