diff --git a/modules/openstack_project/files/jenkins_job_builder/config/devstack-gate.yaml b/modules/openstack_project/files/jenkins_job_builder/config/devstack-gate.yaml
index d725ba1011..0125678ddd 100644
--- a/modules/openstack_project/files/jenkins_job_builder/config/devstack-gate.yaml
+++ b/modules/openstack_project/files/jenkins_job_builder/config/devstack-gate.yaml
@@ -395,7 +395,6 @@
           export DEVSTACK_GATE_TEMPEST=1
           export DEVSTACK_GATE_NEUTRON=1
           export DEVSTACK_GATE_NEUTRON_DVR=1
-          export DEVSTACK_GATE_SMOKE_SERIAL=1
           export DEVSTACK_GATE_TEMPEST_ALLOW_TENANT_ISOLATION=1
           export BRANCH_OVERRIDE={branch-override}
           if [ "$BRANCH_OVERRIDE" != "default" ] ; then