diff --git a/tools/releasetools/test_verity_utils.py b/tools/releasetools/test_verity_utils.py
index 32f7cce..ada70e6 100644
--- a/tools/releasetools/test_verity_utils.py
+++ b/tools/releasetools/test_verity_utils.py
@@ -28,149 +28,11 @@
     get_testdata_dir, ReleaseToolsTestCase, SkipIfExternalToolsUnavailable)
 from verity_utils import (
     CalculateVbmetaDigest, CreateHashtreeInfoGenerator,
-    CreateVerityImageBuilder, HashtreeInfo,
-    VerifiedBootVersion1HashtreeInfoGenerator)
+    CreateVerityImageBuilder, HashtreeInfo)
 
 BLOCK_SIZE = common.BLOCK_SIZE
 
 
-class VerifiedBootVersion1HashtreeInfoGeneratorTest(ReleaseToolsTestCase):
-
-  def setUp(self):
-    self.testdata_dir = get_testdata_dir()
-
-    self.partition_size = 1024 * 1024
-    self.prop_dict = {
-        'verity': 'true',
-        'verity_fec': 'true',
-        'system_verity_block_device': '/dev/block/system',
-        'system_size': self.partition_size
-    }
-
-    self.hash_algorithm = "sha256"
-    self.fixed_salt = (
-        "aee087a5be3b982978c923f566a94613496b417f2af592639bc80d141e34dfe7")
-    self.expected_root_hash = (
-        "0b7c4565e87b1026e11fbab91c0bc29e185c847a5b44d40e6e86e461e8adf80d")
-
-  def _CreateSimg(self, raw_data):  # pylint: disable=no-self-use
-    output_file = common.MakeTempFile()
-    raw_image = common.MakeTempFile()
-    with open(raw_image, 'wb') as f:
-      f.write(raw_data)
-
-    cmd = ["img2simg", raw_image, output_file, '4096']
-    common.RunAndCheckOutput(cmd)
-    return output_file
-
-  def _GenerateImage(self):
-    partition_size = 1024 * 1024
-    prop_dict = {
-        'partition_size': str(partition_size),
-        'verity': 'true',
-        'verity_block_device': '/dev/block/system',
-        'verity_key': os.path.join(self.testdata_dir, 'testkey'),
-        'verity_fec': 'true',
-        'verity_signer_cmd': 'verity_signer',
-    }
-    verity_image_builder = CreateVerityImageBuilder(prop_dict)
-    self.assertIsNotNone(verity_image_builder)
-    adjusted_size = verity_image_builder.CalculateMaxImageSize()
-
-    raw_image = bytearray(adjusted_size)
-    for i in range(adjusted_size):
-      raw_image[i] = ord('0') + i % 10
-
-    output_file = self._CreateSimg(raw_image)
-
-    # Append the verity metadata.
-    verity_image_builder.Build(output_file)
-
-    return output_file
-
-  @SkipIfExternalToolsUnavailable()
-  def test_CreateHashtreeInfoGenerator(self):
-    image_file = sparse_img.SparseImage(self._GenerateImage())
-
-    generator = CreateHashtreeInfoGenerator(
-        'system', image_file, self.prop_dict)
-    self.assertEqual(
-        VerifiedBootVersion1HashtreeInfoGenerator, type(generator))
-    self.assertEqual(self.partition_size, generator.partition_size)
-    self.assertTrue(generator.fec_supported)
-
-  @SkipIfExternalToolsUnavailable()
-  def test_DecomposeSparseImage(self):
-    image_file = sparse_img.SparseImage(self._GenerateImage())
-
-    generator = VerifiedBootVersion1HashtreeInfoGenerator(
-        self.partition_size, 4096, True)
-    generator.DecomposeSparseImage(image_file)
-    self.assertEqual(991232, generator.filesystem_size)
-    self.assertEqual(12288, generator.hashtree_size)
-    self.assertEqual(32768, generator.metadata_size)
-
-  @SkipIfExternalToolsUnavailable()
-  def test_ParseHashtreeMetadata(self):
-    image_file = sparse_img.SparseImage(self._GenerateImage())
-    generator = VerifiedBootVersion1HashtreeInfoGenerator(
-        self.partition_size, 4096, True)
-    generator.DecomposeSparseImage(image_file)
-
-    # pylint: disable=protected-access
-    generator._ParseHashtreeMetadata()
-
-    self.assertEqual(
-        self.hash_algorithm, generator.hashtree_info.hash_algorithm)
-    self.assertEqual(self.fixed_salt, generator.hashtree_info.salt)
-    self.assertEqual(self.expected_root_hash, generator.hashtree_info.root_hash)
-
-  @SkipIfExternalToolsUnavailable()
-  def test_ValidateHashtree_smoke(self):
-    generator = VerifiedBootVersion1HashtreeInfoGenerator(
-        self.partition_size, 4096, True)
-    generator.image = sparse_img.SparseImage(self._GenerateImage())
-
-    generator.hashtree_info = info = HashtreeInfo()
-    info.filesystem_range = RangeSet(data=[0, 991232 // 4096])
-    info.hashtree_range = RangeSet(
-        data=[991232 // 4096, (991232 + 12288) // 4096])
-    info.hash_algorithm = self.hash_algorithm
-    info.salt = self.fixed_salt
-    info.root_hash = self.expected_root_hash
-
-    self.assertTrue(generator.ValidateHashtree())
-
-  @SkipIfExternalToolsUnavailable()
-  def test_ValidateHashtree_failure(self):
-    generator = VerifiedBootVersion1HashtreeInfoGenerator(
-        self.partition_size, 4096, True)
-    generator.image = sparse_img.SparseImage(self._GenerateImage())
-
-    generator.hashtree_info = info = HashtreeInfo()
-    info.filesystem_range = RangeSet(data=[0, 991232 // 4096])
-    info.hashtree_range = RangeSet(
-        data=[991232 // 4096, (991232 + 12288) // 4096])
-    info.hash_algorithm = self.hash_algorithm
-    info.salt = self.fixed_salt
-    info.root_hash = "a" + self.expected_root_hash[1:]
-
-    self.assertFalse(generator.ValidateHashtree())
-
-  @SkipIfExternalToolsUnavailable()
-  def test_Generate(self):
-    image_file = sparse_img.SparseImage(self._GenerateImage())
-    generator = CreateHashtreeInfoGenerator('system', 4096, self.prop_dict)
-    info = generator.Generate(image_file)
-
-    self.assertEqual(RangeSet(data=[0, 991232 // 4096]), info.filesystem_range)
-    self.assertEqual(RangeSet(data=[991232 // 4096, (991232 + 12288) // 4096]),
-                     info.hashtree_range)
-    self.assertEqual(self.hash_algorithm, info.hash_algorithm)
-    self.assertEqual(self.fixed_salt, info.salt)
-    self.assertEqual(self.expected_root_hash, info.root_hash)
-
-
 class VerifiedBootVersion2VerityImageBuilderTest(ReleaseToolsTestCase):
 
   DEFAULT_PROP_DICT = {