diff --git a/handwritten/bigquery/.OwlBot.yaml b/handwritten/bigquery/.OwlBot.yaml
deleted file mode 100644
index 46bbeee9f9f4..000000000000
--- a/handwritten/bigquery/.OwlBot.yaml
+++ /dev/null
@@ -1,17 +0,0 @@
-# Copyright 2021 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.
-
-
-begin-after-commit-hash: 397c0bfd367a2427104f988d5329bc117caafd95
-
diff --git a/handwritten/bigquery/owlbot.py b/handwritten/bigquery/owlbot.py
deleted file mode 100644
index 71a8c63dca58..000000000000
--- a/handwritten/bigquery/owlbot.py
+++ /dev/null
@@ -1,24 +0,0 @@
-# Copyright 2022 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 synthtool.languages.node_mono_repo as node
-from synthtool import shell
-
-node.owlbot_main(relative_dir="handwritten/bigquery")
-
-# Install dependencies and regenerate Discovery types.
-shell.run(('npm', 'install'), cwd='handwritten/bigquery')
-shell.run(('npm', 'run', 'types'), cwd='handwritten/bigquery')