diff --git a/zuul.d/functional-jobs.yaml b/zuul.d/functional-jobs.yaml
index 067146257..70c613bf6 100644
--- a/zuul.d/functional-jobs.yaml
+++ b/zuul.d/functional-jobs.yaml
@@ -265,10 +265,9 @@
         IRONIC_BUILD_DEPLOY_RAMDISK: false
         IRONIC_CALLBACK_TIMEOUT: 600
         IRONIC_DEPLOY_DRIVER: ipmi
-        IRONIC_RAMDISK_TYPE: tinyipa
         IRONIC_VM_COUNT: 2
         IRONIC_VM_LOG_DIR: '{{ devstack_base_dir }}/ironic-bm-logs'
-        IRONIC_VM_SPECS_RAM: 1024
+        IRONIC_VM_SPECS_RAM: 2500
       devstack_plugins:
         ironic: https://opendev.org/openstack/ironic
       devstack_services: