diff --git a/containers/buildkite-linux/Dockerfile b/containers/buildkite-linux/Dockerfile
index ba995b4..7c8abf3 100644
--- a/containers/buildkite-linux/Dockerfile
+++ b/containers/buildkite-linux/Dockerfile
@@ -83,7 +83,6 @@ RUN echo 'install buildkite' ;\
     apt-get clean;
 
 COPY --chown=buildkite-agent:buildkite-agent pre-checkout /etc/buildkite-agent/hooks
-COPY --chown=buildkite-agent:buildkite-agent post-checkout /etc/buildkite-agent/hooks
 
 # buildkite working directory
 VOLUME /var/lib/buildkite-agent
diff --git a/containers/buildkite-linux/post-checkout b/containers/buildkite-linux/post-checkout
deleted file mode 100755
index 7f6baf9..0000000
--- a/containers/buildkite-linux/post-checkout
+++ /dev/null
@@ -1,23 +0,0 @@
-#!/bin/bash
-# Copyright 2023 Google LLC
-#
-# Licensed under the the Apache License v2.0 with LLVM Exceptions (the "License");
-# you may not use this file except in compliance with the License.
-# You may obtain a copy of the License at
-#
-#     https://llvm.org/LICENSE.txt
-#
-# 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.
-
-# See https://buildkite.com/docs/agent/v3/hooks#job-lifecycle-hooks
-# The `post-checkout` hook runs after checkout.
-
-# Pull changes from origin/main so that diff origin/main...HEAD will show a
-# correct diff of Pull Requests that have multiple commits.
-
-set -euo pipefail
-git fetch origin main:main