From dd0a29be1ea0e5c55024d01489b9fbdaf7cc7441 Mon Sep 17 00:00:00 2001
From: GavkareShubham <109575865+GavkareShubham@users.noreply.github.com>
Date: Tue, 3 Mar 2026 00:11:34 +0530
Subject: [PATCH] Fixed usage of libarrow built from the git checkout not the
 released version from apt

---
 r/vignettes/developers/setup.Rmd | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/r/vignettes/developers/setup.Rmd b/r/vignettes/developers/setup.Rmd
index e61436df31db..656875556bbe 100644
--- a/r/vignettes/developers/setup.Rmd
+++ b/r/vignettes/developers/setup.Rmd
@@ -348,6 +348,8 @@ wget https://apache.jfrog.io/artifactory/arrow/$(lsb_release --id --short | tr '
 sudo apt install -y -V ./apache-arrow-apt-source-latest-$(lsb_release --codename --short).deb
 sudo apt update
 sudo apt install -y -V libarrow-dev
+# Unset LD_LIBRARY_PATH to prevent loading mismatched system libarrow
+unset LD_LIBRARY_PATH
 ```
 
 ```{bash, save=run & !sys_install & macos}