diff --git a/core/Makefile b/core/Makefile
index 1a60157..f96e7b3 100644
--- a/core/Makefile
+++ b/core/Makefile
@@ -4234,7 +4234,6 @@
 INTERNAL_OTATOOLS_MODULES := \
   aapt2 \
   add_img_to_target_files \
-  aftltool \
   apksigner \
   append2simg \
   avbtool \
diff --git a/tools/releasetools/common.py b/tools/releasetools/common.py
index 498e487..0711af5 100644
--- a/tools/releasetools/common.py
+++ b/tools/releasetools/common.py
@@ -80,11 +80,6 @@
     self.boot_signer_args = []
     self.verity_signer_path = None
     self.verity_signer_args = []
-    self.aftl_tool_path = None
-    self.aftl_server = None
-    self.aftl_key_path = None
-    self.aftl_manufacturer_key_path = None
-    self.aftl_signer_helper = None
     self.verbose = False
     self.tempfiles = []
     self.device_specific = None
@@ -1383,46 +1378,6 @@
   return "{}:{}:{}".format(partition, rollback_index_location, pubkey_path)
 
 
-def ConstructAftlMakeImageCommands(output_image):
-  """Constructs the command to append the aftl image to vbmeta."""
-
-  # Ensure the other AFTL parameters are set as well.
-  assert OPTIONS.aftl_tool_path is not None, 'No aftl tool provided.'
-  assert OPTIONS.aftl_key_path is not None, 'No AFTL key provided.'
-  assert OPTIONS.aftl_manufacturer_key_path is not None, \
-      'No AFTL manufacturer key provided.'
-
-  vbmeta_image = MakeTempFile()
-  os.rename(output_image, vbmeta_image)
-  build_info = BuildInfo(OPTIONS.info_dict, use_legacy_id=True)
-  version_incremental = build_info.GetBuildProp("ro.build.version.incremental")
-  aftltool = OPTIONS.aftl_tool_path
-  server_argument_list = [OPTIONS.aftl_server, OPTIONS.aftl_key_path]
-  aftl_cmd = [aftltool, "make_icp_from_vbmeta",
-              "--vbmeta_image_path", vbmeta_image,
-              "--output", output_image,
-              "--version_incremental", version_incremental,
-              "--transparency_log_servers", ','.join(server_argument_list),
-              "--manufacturer_key", OPTIONS.aftl_manufacturer_key_path,
-              "--algorithm", "SHA256_RSA4096",
-              "--padding", "4096"]
-  if OPTIONS.aftl_signer_helper:
-    aftl_cmd.extend(shlex.split(OPTIONS.aftl_signer_helper))
-  return aftl_cmd
-
-
-def AddAftlInclusionProof(output_image):
-  """Appends the aftl inclusion proof to the vbmeta image."""
-
-  aftl_cmd = ConstructAftlMakeImageCommands(output_image)
-  RunAndCheckOutput(aftl_cmd)
-
-  verify_cmd = ['aftltool', 'verify_image_icp', '--vbmeta_image_path',
-                output_image, '--transparency_log_pub_keys',
-                OPTIONS.aftl_key_path]
-  RunAndCheckOutput(verify_cmd)
-
-
 def AppendGkiSigningArgs(cmd):
   """Append GKI signing arguments for mkbootimg."""
   # e.g., --gki_signing_key path/to/signing_key
@@ -1516,10 +1471,6 @@
 
   RunAndCheckOutput(cmd)
 
-  # Generate the AFTL inclusion proof.
-  if OPTIONS.aftl_server is not None:
-    AddAftlInclusionProof(image_path)
-
 
 def _MakeRamdisk(sourcedir, fs_config_file=None,
                  ramdisk_format=RamdiskFormat.GZ):
@@ -2477,9 +2428,7 @@
          "java_path=", "java_args=", "android_jar_path=", "public_key_suffix=",
          "private_key_suffix=", "boot_signer_path=", "boot_signer_args=",
          "verity_signer_path=", "verity_signer_args=", "device_specific=",
-         "extra=", "logfile=", "aftl_tool_path=", "aftl_server=",
-         "aftl_key_path=", "aftl_manufacturer_key_path=",
-         "aftl_signer_helper="] + list(extra_long_opts))
+         "extra=", "logfile="] + list(extra_long_opts))
   except getopt.GetoptError as err:
     Usage(docstring)
     print("**", str(err), "**")
@@ -2517,16 +2466,6 @@
       OPTIONS.verity_signer_path = a
     elif o in ("--verity_signer_args",):
       OPTIONS.verity_signer_args = shlex.split(a)
-    elif o in ("--aftl_tool_path",):
-      OPTIONS.aftl_tool_path = a
-    elif o in ("--aftl_server",):
-      OPTIONS.aftl_server = a
-    elif o in ("--aftl_key_path",):
-      OPTIONS.aftl_key_path = a
-    elif o in ("--aftl_manufacturer_key_path",):
-      OPTIONS.aftl_manufacturer_key_path = a
-    elif o in ("--aftl_signer_helper",):
-      OPTIONS.aftl_signer_helper = a
     elif o in ("-s", "--device_specific"):
       OPTIONS.device_specific = a
     elif o in ("-x", "--extra"):
diff --git a/tools/releasetools/test_common.py b/tools/releasetools/test_common.py
index 1a00549..e42d417 100644
--- a/tools/releasetools/test_common.py
+++ b/tools/releasetools/test_common.py
@@ -1631,88 +1631,6 @@
     self.assertEqual('3', chained_partition_args[1])
     self.assertTrue(os.path.exists(chained_partition_args[2]))
 
-  def test_BuildVBMeta_appendAftlCommandSyntax(self):
-    testdata_dir = test_utils.get_testdata_dir()
-    common.OPTIONS.info_dict = {
-        'ab_update': 'true',
-        'avb_avbtool': 'avbtool',
-        'build.prop': common.PartitionBuildProps.FromDictionary(
-            'system', {
-                'ro.build.version.incremental': '6285659',
-                'ro.product.device': 'coral',
-                'ro.build.fingerprint':
-                'google/coral/coral:R/RP1A.200311.002/'
-                '6285659:userdebug/dev-keys'}
-        ),
-    }
-    common.OPTIONS.aftl_tool_path = 'aftltool'
-    common.OPTIONS.aftl_server = 'log.endpoints.aftl-dev.cloud.goog:9000'
-    common.OPTIONS.aftl_key_path = os.path.join(testdata_dir,
-                                                'test_transparency_key.pub')
-    common.OPTIONS.aftl_manufacturer_key_path = os.path.join(
-        testdata_dir, 'test_aftl_rsa4096.pem')
-
-    vbmeta_image = tempfile.NamedTemporaryFile(delete=False)
-    cmd = common.ConstructAftlMakeImageCommands(vbmeta_image.name)
-    expected_cmd = [
-        'aftltool', 'make_icp_from_vbmeta',
-        '--vbmeta_image_path', 'place_holder',
-        '--output', vbmeta_image.name,
-        '--version_incremental', '6285659',
-        '--transparency_log_servers',
-        'log.endpoints.aftl-dev.cloud.goog:9000,{}'.format(
-            common.OPTIONS.aftl_key_path),
-        '--manufacturer_key', common.OPTIONS.aftl_manufacturer_key_path,
-        '--algorithm', 'SHA256_RSA4096',
-        '--padding', '4096']
-
-    # ignore the place holder, i.e. path to a temp file
-    self.assertEqual(cmd[:3], expected_cmd[:3])
-    self.assertEqual(cmd[4:], expected_cmd[4:])
-
-  @unittest.skip("enable after we have a server for public")
-  def test_BuildVBMeta_appendAftlContactServer(self):
-    testdata_dir = test_utils.get_testdata_dir()
-    common.OPTIONS.info_dict = {
-        'ab_update': 'true',
-        'avb_avbtool': 'avbtool',
-        'build.prop': common.PartitionBuildProps.FromDictionary(
-            'system', {
-                'ro.build.version.incremental': '6285659',
-                'ro.product.device': 'coral',
-                'ro.build.fingerprint':
-                'google/coral/coral:R/RP1A.200311.002/'
-                '6285659:userdebug/dev-keys'}
-        )
-    }
-    common.OPTIONS.aftl_tool_path = "aftltool"
-    common.OPTIONS.aftl_server = "log.endpoints.aftl-dev.cloud.goog:9000"
-    common.OPTIONS.aftl_key_path = os.path.join(testdata_dir,
-                                                'test_transparency_key.pub')
-    common.OPTIONS.aftl_manufacturer_key_path = os.path.join(
-        testdata_dir, 'test_aftl_rsa4096.pem')
-
-    input_dir = common.MakeTempDir()
-    system_image = common.MakeTempFile()
-    build_image_cmd = ['mkuserimg_mke2fs', input_dir, system_image, 'ext4',
-                       '/system', str(4096 * 100), '-j', '0', '-s']
-    common.RunAndCheckOutput(build_image_cmd)
-
-    add_footer_cmd = ['avbtool', 'add_hashtree_footer',
-                      '--partition_size', str(4096 * 150),
-                      '--partition_name', 'system',
-                      '--image', system_image]
-    common.RunAndCheckOutput(add_footer_cmd)
-
-    vbmeta_image = common.MakeTempFile()
-    common.BuildVBMeta(vbmeta_image, {'system': system_image}, 'vbmeta',
-                       ['system'])
-
-    verify_cmd = ['aftltool', 'verify_image_icp', '--vbmeta_image_path',
-                  vbmeta_image, '--transparency_log_pub_keys',
-                  common.OPTIONS.aftl_key_path]
-    common.RunAndCheckOutput(verify_cmd)
-
   @test_utils.SkipIfExternalToolsUnavailable()
   def test_AppendGkiSigningArgs_NoSigningKeyPath(self):
     # A non-GKI boot.img has no gki_signing_key_path.
diff --git a/tools/releasetools/testdata/test_aftl_rsa4096.pem b/tools/releasetools/testdata/test_aftl_rsa4096.pem
deleted file mode 100644
index 89f1ef3..0000000
--- a/tools/releasetools/testdata/test_aftl_rsa4096.pem
+++ /dev/null
@@ -1,52 +0,0 @@
------BEGIN PRIVATE KEY-----
-MIIJQgIBADANBgkqhkiG9w0BAQEFAASCCSwwggkoAgEAAoICAQDDlhUPUgtWL6LB
-Wybp6wsEJeioV1aRLPGSA2/xIpTiJUK46cb/MD5eBTWjKENoIgX23eL/ePy2I68e
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-uK+v/Cw4hqq8H/gP0oPVQ1bwcIePzRPX4YkkyXusoyzTIm5DJ9reVtyFucKqANCN
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-vqQgxO2OFsQOJQ/4PRYEKd1neTlZrw==
------END PRIVATE KEY-----
diff --git a/tools/releasetools/testdata/test_transparency_key.pub b/tools/releasetools/testdata/test_transparency_key.pub
deleted file mode 100644
index 8bfd816..0000000
--- a/tools/releasetools/testdata/test_transparency_key.pub
+++ /dev/null
@@ -1,15 +0,0 @@
------BEGIN PUBLIC KEY-----
-MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEA4ilqCNsenNA013iCdwgD
-YPxZ853nbHG9lMBp9boXiwRcqT/8bUKHIL7YX5z7s+QoRYVY3rkMKppRabclXzyx
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-V/USB8K6ao1y5xPZxa8CZksCAwEAAQ==
------END PUBLIC KEY-----
-