From ca220e5db0334732265d27cc15133aaaf4d9378c Mon Sep 17 00:00:00 2001
From: Joe Wang <106995533+JoeWang1127@users.noreply.github.com>
Date: Thu, 9 Jul 2026 09:09:49 -0400
Subject: [PATCH 1/4] chore: rm protoc in workflow

---
 .github/workflows/librarian_generation_check.yaml | 8 --------
 1 file changed, 8 deletions(-)

diff --git a/.github/workflows/librarian_generation_check.yaml b/.github/workflows/librarian_generation_check.yaml
index 90997623e26b..780b1ce943ca 100644
--- a/.github/workflows/librarian_generation_check.yaml
+++ b/.github/workflows/librarian_generation_check.yaml
@@ -50,14 +50,6 @@ jobs:
         V=$(go run github.com/googleapis/librarian/cmd/librarian@latest config get version)
         echo "Installing librarian version $V"
         go install github.com/googleapis/librarian/cmd/librarian@$V
-    - name: Install protoc
-      run: |
-        set -e
-        VERSION="33.2"
-        curl -fsSL --retry 5 --retry-delay 15 -o /tmp/protoc.zip "https://github.com/protocolbuffers/protobuf/releases/download/v$VERSION/protoc-$VERSION-linux-x86_64.zip"
-        cd /usr/local
-        sudo unzip -o /tmp/protoc.zip
-        protoc --version
     - uses: actions/setup-java@v4
       with:
         java-version: "17"

From e6d78c9eaecd8a42cf484f08032c7ad0f55883af Mon Sep 17 00:00:00 2001
From: Joe Wang <106995533+JoeWang1127@users.noreply.github.com>
Date: Thu, 9 Jul 2026 09:10:33 -0400
Subject: [PATCH 2/4] test

---
 .github/workflows/librarian_generation_check.yaml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/.github/workflows/librarian_generation_check.yaml b/.github/workflows/librarian_generation_check.yaml
index 780b1ce943ca..3877fff64e10 100644
--- a/.github/workflows/librarian_generation_check.yaml
+++ b/.github/workflows/librarian_generation_check.yaml
@@ -25,6 +25,7 @@ on:
   push:
     branches:
     - main
+  pull_request:
   workflow_dispatch:
 
 jobs:

From 86a3b4d749f98521155bb59b90dca782868e79c8 Mon Sep 17 00:00:00 2001
From: Joe Wang <106995533+JoeWang1127@users.noreply.github.com>
Date: Thu, 9 Jul 2026 10:48:44 -0400
Subject: [PATCH 3/4] restore trigger

---
 .github/workflows/librarian_generation_check.yaml | 1 -
 1 file changed, 1 deletion(-)

diff --git a/.github/workflows/librarian_generation_check.yaml b/.github/workflows/librarian_generation_check.yaml
index 3877fff64e10..780b1ce943ca 100644
--- a/.github/workflows/librarian_generation_check.yaml
+++ b/.github/workflows/librarian_generation_check.yaml
@@ -25,7 +25,6 @@ on:
   push:
     branches:
     - main
-  pull_request:
   workflow_dispatch:
 
 jobs:

From 331dae56d945db760d6f96d9396a4a3c7152cd37 Mon Sep 17 00:00:00 2001
From: Joe Wang <106995533+JoeWang1127@users.noreply.github.com>
Date: Thu, 9 Jul 2026 11:18:03 -0400
Subject: [PATCH 4/4] update showcase readme

---
 java-showcase/README.md | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/java-showcase/README.md b/java-showcase/README.md
index 5c9d2b0b0f95..e4ffabc5d35f 100644
--- a/java-showcase/README.md
+++ b/java-showcase/README.md
@@ -8,7 +8,6 @@ the Showcase API which can communicate with a local Showcase server to perform i
 ## Requirements
 
 * Install [Go](https://go.dev) in your `PATH` (version 1.20 or later).
-* Install the [protoc](https://github.com/protocolbuffers/protobuf/releases) compiler in your `PATH`.
 
 ## Installing the Server
 
@@ -77,7 +76,7 @@ mvn verify -P enable-integration-tests
 This verify check compares the current checked-in files in `java-showcase` against a newly generated client.
 
 ### Prerequisites (One-time Setup)
-Make sure you have **Go** and **protoc** installed and available in your `PATH` (see the [Requirements](#requirements) section), then run the following setup steps from the repository root:
+Make sure you have **Go** installed and available in your `PATH` (see the [Requirements](#requirements) section), then run the following setup steps from the repository root:
 
 ```shell
 # Setup and activate Python virtual environment