diff --git a/.github/workflows/generate_diffs.yaml b/.github/workflows/generate_diffs.yaml
deleted file mode 100644
index ea67c68a3e32..000000000000
--- a/.github/workflows/generate_diffs.yaml
+++ /dev/null
@@ -1,33 +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.
-
-on:
-  workflow_dispatch:
-  push:
-    branches:
-    - main
-name: monorepo-diff
-jobs:
-  generate-diffs:
-    if: ${{ github.event_name != 'pull_request' }}
-    runs-on: ubuntu-latest
-    steps:
-    - uses: actions/checkout@v3
-      with:
-        repository: 'googleapis/google-cloud-java'
-        fetch-depth: 0
-    - name: Run generate-diff script
-      run: ./generation/generate_diff.sh
-      env:
-        USERNAME: ${{ github.actor }}
diff --git a/generation/generate_diff.sh b/generation/generate_diff.sh
deleted file mode 100755
index 513a0c537fa1..000000000000
--- a/generation/generate_diff.sh
+++ /dev/null
@@ -1,118 +0,0 @@
-#!/bin/bash
-
-set -e
-
-function retry_with_backoff {
-  attempts_left=$1
-  sleep_seconds=$2
-  shift 2
-  command=$@
-
-  # store current flag state
-  flags=$-
-
-  # allow a failures to continue
-  set +e
-  ${command}
-  exit_code=$?
-
-  # restore "e" flag
-  if [[ ${flags} =~ e ]]
-  then set -e
-  else set +e
-  fi
-
-  if [[ $exit_code == 0 ]]
-  then
-    return 0
-  fi
-
-  # failure
-  if [[ ${attempts_left} -gt 0 ]]
-  then
-    echo "failure (${exit_code}), sleeping ${sleep_seconds}..."
-    sleep ${sleep_seconds}
-    new_attempts=$((${attempts_left} - 1))
-    new_sleep=$((${sleep_seconds} * 2))
-    retry_with_backoff ${new_attempts} ${new_sleep} ${command}
-  fi
-
-  return $exit_code
-}
-
-[ -z "`git config user.email`" ] && git config --global user.email "${USERNAME:-script}@google.com"
-[ -z "`git config user.name`" ] && git config --global user.name "${USERNAME:-script}"
-
-current_branch="main-diff"
-diff_java_branch="main-diff_java"
-diff_java_it_branch="main-diff_java_it"
-diff_non_java_branch="main-diff_non_java"
-
-if [[ $(git branch | grep "${current_branch}$") ]]; then
-  git checkout "${current_branch}"
-else
-  git checkout -b "${current_branch}"
-fi
-
-if [[ $(git branch | grep "${diff_java_branch}$") ]]; then
-  git branch -D "${diff_java_branch}"
-fi
-if [[ $(git branch | grep "${diff_java_it_branch}$") ]]; then
-  git branch -D "${diff_java_it_branch}"
-fi
-if [[ $(git branch | grep "${diff_non_java_branch}$") ]]; then
-  git branch -D "${diff_non_java_branch}"
-fi
-
-modules=$(mvn help:evaluate -Dexpression=project.modules | grep '<.*>.*</.*>' | grep 'java' | sed -e 's/<.*>\(.*\)<\/.*>/\1/g')
-
-for module in $modules; do
-  echo "Running for ${module}"
-  rm -rf "${module}"
-  url="https://github.com/googleapis/${module}"
-  if curl --output /dev/null --silent --head --fail "${url}"; then
-    retry_with_backoff 3 10 git clone "${url}"
-    rm -rf "${module}/.git"
-  fi
-  echo "Done running for ${module}"
-done
-
-./generation/delete_non_generated_samples.sh
-
-git checkout -b "${diff_java_it_branch}"
-git add "*/src/test/*IT*.java"
-git add "*/src/test/*/integration/*.java"
-git add "*/src/test/*/it/*.java"
-git commit -m "chore: Adding java IT diffs" --no-verify
-git push origin "${diff_java_it_branch}" --force
-
-git stash
-git checkout "${current_branch}"
-git stash pop
-
-# *.java and *.proto are connected -- Adding them to the same branch
-git checkout -b "${diff_java_branch}"
-git add "*.java"
-git add "*.proto"
-git commit -m "chore: Adding java diffs" --no-verify
-git push origin "${diff_java_branch}" --force
-
-git stash
-git checkout "${current_branch}"
-git stash pop
-
-git checkout -b "${diff_non_java_branch}"
-
-git add .
-ignore_list=("java-*/.github/*" "java-*/.kokoro/*" "java-*/samples/*" "java-*/CODE_OF_CONDUCT.md" "java-*/CONTRIBUTING.md" "java-*/LICENSE" "java-*/SECURITY.md" "java-*/java.header" "java-*/license-checks.xml" "java-*/renovate.json")
-
-for ignore in "${ignore_list[@]}"
-do
-  git reset "${ignore}"
-done
-git commit -m "chore: Adding non-java diffs" --no-verify
-git push origin "${diff_non_java_branch}" --force
-
-git checkout "${current_branch}"
-
-echo "Done running script"
\ No newline at end of file