diff --git a/.github/workflows/server-tests-mariadb.yml b/.github/workflows/server-tests-mariadb.yml
index 680639ab6ea..5c417fb9137 100644
--- a/.github/workflows/server-tests-mariadb.yml
+++ b/.github/workflows/server-tests-mariadb.yml
@@ -106,7 +106,6 @@ jobs:
           WKHTMLTOX_DEB: /tmp/wkhtmltox.deb
           SKIP_SYSTEM_SETUP: "1"
           SKIP_WKHTMLTOX_SETUP: "1"
-          BENCH_CACHE_DIR: /opt/ci-bench-staging/base-cache
 
       # Clean shutdown (consistent InnoDB datadir), then stage it inside the bench for packaging.
       - name: Stop DB and stage datadir