diff --git a/ci/test/00_setup_env.sh b/ci/test/00_setup_env.sh
index 2a7ae923e615b..98098c9e75c60 100755
--- a/ci/test/00_setup_env.sh
+++ b/ci/test/00_setup_env.sh
@@ -61,8 +61,6 @@ export CCACHE_COMPRESS=${CCACHE_COMPRESS:-1}
 export CCACHE_DIR=${CCACHE_DIR:-$BASE_SCRATCH_DIR/.ccache}
 # Folder where the build result is put (bin and lib).
 export BASE_OUTDIR=${BASE_OUTDIR:-$BASE_SCRATCH_DIR/out}
-# Folder where the build is done (dist and out-of-tree build).
-export BASE_BUILD_DIR=${BASE_BUILD_DIR:-$BASE_SCRATCH_DIR/build-$HOST}
 # The folder for previous release binaries.
 # This folder exists only on the ci guest, and on the ci host as a volume.
 export PREVIOUS_RELEASES_DIR=${PREVIOUS_RELEASES_DIR:-$BASE_ROOT_DIR/prev_releases}
diff --git a/ci/test/03_test_script.sh b/ci/test/03_test_script.sh
index 37b7e3b0e557d..9e19bbf0f90f8 100755
--- a/ci/test/03_test_script.sh
+++ b/ci/test/03_test_script.sh
@@ -110,6 +110,8 @@ fi
 ccache --zero-stats
 PRINT_CCACHE_STATISTICS="ccache --version | head -n 1 && ccache --show-stats"
 
+# Folder where the build is done.
+BASE_BUILD_DIR=${BASE_BUILD_DIR:-$BASE_SCRATCH_DIR/build-$HOST}
 mkdir -p "${BASE_BUILD_DIR}"
 cd "${BASE_BUILD_DIR}"