diff --git a/.github/.OwlBot.lock.yaml b/.github/.OwlBot.lock.yaml
index 7d98291..ba7b2f7 100644
--- a/.github/.OwlBot.lock.yaml
+++ b/.github/.OwlBot.lock.yaml
@@ -1,3 +1,3 @@
 docker:
   image: gcr.io/cloud-devrel-public-resources/owlbot-python:latest
-  digest: sha256:58f73ba196b5414782605236dd0712a73541b44ff2ff4d3a36ec41092dd6fa5b
+  digest: sha256:3728d8fd14daa46a96d04ce61c6451a3ac864dc48fb71eecbb4411f4a95618d4
diff --git a/docs/index.rst b/docs/index.rst
index ffaff42..b1c2889 100644
--- a/docs/index.rst
+++ b/docs/index.rst
@@ -2,35 +2,32 @@
 
 .. include:: multiprocessing.rst
 
-v1 Api Reference
-----------------
+This package includes clients for multiple versions of Cloud Secret Manager.
+By default, you will get version ``secretmanager_v1``.
+
+
+API Reference
+-------------
 .. toctree::
     :maxdepth: 2
 
     secretmanager_v1/services
     secretmanager_v1/types
 
-v1beta1 Api Reference
----------------------
+API Reference
+-------------
 .. toctree::
     :maxdepth: 2
 
     secretmanager_v1beta1/services
     secretmanager_v1beta1/types
 
-Migration Guide
----------------
-
-See the guide below for instructions on migrating to the 2.x release of this library.
-
-.. toctree::
-    :maxdepth: 2
-
-    UPGRADING
-
 Changelog
 ---------
+
+For a list of all ``google-cloud-secret-manager`` releases:
+
 .. toctree::
-    :maxdepth: 2
+   :maxdepth: 2
 
-    changelog
+   changelog
diff --git a/noxfile.py b/noxfile.py
index f885c68..2bb4cf7 100644
--- a/noxfile.py
+++ b/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/owlbot.py b/owlbot.py
deleted file mode 100644
index d8ab084..0000000
--- a/owlbot.py
+++ /dev/null
@@ -1,64 +0,0 @@
-# Copyright 2019 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 os
-
-import synthtool as s
-import synthtool.gcp as gcp
-from synthtool.languages import python
-
-common = gcp.CommonTemplates()
-
-default_version = "v1"
-
-for library in s.get_staging_dirs(default_version):
-    excludes = ["README.rst", "setup.py", "nox*.py", "docs/index.rst"]
-    s.move(library, excludes=excludes)
-
-s.remove_staging_dirs()
-
-# ----------------------------------------------------------------------------
-# Add templated files
-# ----------------------------------------------------------------------------
-templated_files = common.py_library(
-    samples=True,  # set to True only if there are samples
-    microgenerator=True,
-    cov_level=99,
-)
-s.move(templated_files, excludes=[".coveragerc"])  # microgenerator has a good .coveragerc file
-
-# Fix type annotations for requests
-# Not needed once generator version is >=0.51.1
-# Generator version: https://github.com/googleapis/googleapis/blob/master/WORKSPACE#L227
-# Fix in generator: https://github.com/googleapis/gapic-generator-python/commit/49205d99dd440690b838c8eb3f6a695f35b061c2
-
-s.replace(
-    "google/**/*client.py",
-    "request: ([^U]*?) = None",
-    "request: Union[\g<1>, dict] = None",
-    
-)
-s.replace(
-    "google/**/*client.py",
-    "request \(:class:`(.*)`\):",
-    "request (Union[\g<1>, dict]):"
-)
-
-# ----------------------------------------------------------------------------
-# Samples templates
-# ----------------------------------------------------------------------------
-python.py_samples()
-
-s.shell.run(["nox", "-s", "blacken"], hide_output=False)