From c6a2a6a73d588ab84dc6bd89dbe10b248b87893a Mon Sep 17 00:00:00 2001
From: Mike Kruskal <mkruskal@google.com>
Date: Mon, 10 Oct 2022 13:13:27 -0700
Subject: [PATCH] Porting #10512 to 3.18.x

---
 kokoro/macos/prepare_build_macos_rc            | 4 ++++
 kokoro/release/python/macos/build_artifacts.sh | 3 +++
 2 files changed, 7 insertions(+)

diff --git a/kokoro/macos/prepare_build_macos_rc b/kokoro/macos/prepare_build_macos_rc
index 13b00706756f..9b9b2df7b88c 100755
--- a/kokoro/macos/prepare_build_macos_rc
+++ b/kokoro/macos/prepare_build_macos_rc
@@ -6,6 +6,10 @@ set -eux
 
 export HOMEBREW_PREFIX=$(brew --prefix)
 
+##
+# Remove any pre-existing protobuf installation.
+brew uninstall protobuf
+
 ##
 # Select Xcode version
 
diff --git a/kokoro/release/python/macos/build_artifacts.sh b/kokoro/release/python/macos/build_artifacts.sh
index fbbd650b71c7..1b3815eeaf90 100755
--- a/kokoro/release/python/macos/build_artifacts.sh
+++ b/kokoro/release/python/macos/build_artifacts.sh
@@ -2,6 +2,9 @@
 
 set -ex
 
+# Remove any pre-existing protobuf installation.
+brew uninstall protobuf
+
 # change to repo root
 pushd $(dirname $0)/../../../..