diff --git a/packages/google-cloud-bigquery-datatransfer/docs/index.rst b/packages/google-cloud-bigquery-datatransfer/docs/index.rst
index 46d9325153c6..852b94c53e90 100644
--- a/packages/google-cloud-bigquery-datatransfer/docs/index.rst
+++ b/packages/google-cloud-bigquery-datatransfer/docs/index.rst
@@ -2,33 +2,33 @@
 
 .. include:: multiprocessing.rst
 
+
 API Reference
 -------------
-
 .. toctree::
-   :maxdepth: 2
+    :maxdepth: 2
 
-    Client <bigquery_datatransfer_v1/services>
-    Types <bigquery_datatransfer_v1/types>
+    bigquery_datatransfer_v1/services
+    bigquery_datatransfer_v1/types
 
 
 Migration Guide
 ---------------
 
-See the guide below for instructions on migrating to the 2.x release of this library.
+See the guide below for instructions on migrating to the latest version.
 
 .. toctree::
     :maxdepth: 2
 
-    UPGRADING
+    UPGRADING
 
 
 Changelog
 ---------
 
-For a list of all ``google-cloud-bigquery-bigquery-datatransfer`` releases:
+For a list of all ``google-cloud-bigquery-datatransfer`` releases:
 
 .. toctree::
-   :maxdepth: 2
+    :maxdepth: 2
 
-   changelog
+    changelog
diff --git a/packages/google-cloud-bigquery-datatransfer/noxfile.py b/packages/google-cloud-bigquery-datatransfer/noxfile.py
index de41c6bf9af5..2a2001c49998 100644
--- a/packages/google-cloud-bigquery-datatransfer/noxfile.py
+++ b/packages/google-cloud-bigquery-datatransfer/noxfile.py
@@ -175,7 +175,7 @@ def cover(session):
     test runs (not system test runs), and then erases coverage data.
     """
     session.install("coverage", "pytest-cov")
-    session.run("coverage", "report", "--show-missing", "--fail-under=99")
+    session.run("coverage", "report", "--show-missing", "--fail-under=100")
 
     session.run("coverage", "erase")
 
diff --git a/packages/google-cloud-bigquery-datatransfer/owlbot.py b/packages/google-cloud-bigquery-datatransfer/owlbot.py
deleted file mode 100644
index 8e813ea1850e..000000000000
--- a/packages/google-cloud-bigquery-datatransfer/owlbot.py
+++ /dev/null
@@ -1,118 +0,0 @@
-# Copyright 2018 Google LLC
-#
-# Licensed under the Apache License, Version 2.0 (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     http://www.apache.org/licenses/LICENSE-2.0
-#
-# Unless required by applicable law or agreed to in writing, software
-# distributed under the License is distributed on an "AS IS" BASIS,
-# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-# See the License for the specific language governing permissions and
-# limitations under the License.
-
-"""This script is used to synthesize generated parts of this library."""
-
-import pathlib
-
-import synthtool as s
-
-from synthtool import gcp
-from synthtool.languages import python
-
-
-REPO_ROOT = pathlib.Path(__file__).parent.absolute()
-
-common = gcp.CommonTemplates()
-
-# ----------------------------------------------------------------------------
-# Generate bigquery_datatransfer GAPIC layer
-# ----------------------------------------------------------------------------
-for library in s.get_staging_dirs("v1"):
-
-    # Fix incorrect DeprecationWarning
-    # Fixed in https://github.com/googleapis/gapic-generator-python/pull/943
-    s.replace(
-        "google/**/*client.py",
-        "warnings\.DeprecationWarning",
-        "DeprecationWarning"
-    )
-
-    s.move(library, excludes=["*.tar.gz", "docs/index.rst", "README.rst", "setup.py"])
-
-s.remove_staging_dirs()
-
-
-# ----------------------------------------------------------------------------
-# Add templated files
-# ----------------------------------------------------------------------------
-templated_files = common.py_library(microgenerator=True, samples=True, cov_level=99)
-s.move(templated_files, excludes=[".coveragerc"])
-
-# ----------------------------------------------------------------------------
-# Samples templates
-# ----------------------------------------------------------------------------
-
-python.py_samples(skip_readmes=True)
-
-# Remove the replacements below once
-# https://github.com/googleapis/synthtool/pull/1188 is merged
-
-# Update googleapis/repo-automation-bots repo to main in .kokoro/*.sh files
-s.replace(
-    ".kokoro/*.sh", "repo-automation-bots/tree/master", "repo-automation-bots/tree/main"
-)
-
-# Customize CONTRIBUTING.rst to replace master with main
-s.replace(
-    "CONTRIBUTING.rst",
-    "fetch and merge changes from upstream into master",
-    "fetch and merge changes from upstream into main",
-)
-
-s.replace(
-    "CONTRIBUTING.rst",
-    "git merge upstream/master",
-    "git merge upstream/main",
-)
-
-s.replace(
-    "CONTRIBUTING.rst",
-    """export GOOGLE_CLOUD_TESTING_BRANCH=\"master\"""",
-    """export GOOGLE_CLOUD_TESTING_BRANCH=\"main\"""",
-)
-
-s.replace(
-    "CONTRIBUTING.rst",
-    "remote \(``master``\)",
-    "remote (``main``)",
-)
-
-s.replace(
-    "CONTRIBUTING.rst",
-    "blob/master/CONTRIBUTING.rst",
-    "blob/main/CONTRIBUTING.rst",
-)
-
-s.replace(
-    "CONTRIBUTING.rst",
-    "blob/master/noxfile.py",
-    "blob/main/noxfile.py",
-)
-
-s.replace(
-    "docs/conf.py",
-    "master_doc",
-    "root_doc",
-)
-
-s.replace(
-    "docs/conf.py",
-    "# The master toctree document.",
-    "# The root toctree document.",
-)
-
-s.shell.run(["nox", "-s", "blacken"], hide_output=False)
-for noxfile in REPO_ROOT.glob("samples/**/noxfile.py"):
-    s.shell.run(["nox", "-s", "blacken"], cwd=noxfile.parent, hide_output=False)