diff --git a/zuul.d/integrated-gate.yaml b/zuul.d/integrated-gate.yaml
index 70fdc79..9197e64 100644
--- a/zuul.d/integrated-gate.yaml
+++ b/zuul.d/integrated-gate.yaml
@@ -276,7 +276,7 @@
     timeout: 10800
     # This job runs on stable/stein onwards.
     branches: ^(?!stable/(ocata|pike|queens|rocky)).*$
-    vars: &tempest_slow_vars
+    vars:
       tox_envlist: slow-serial
       devstack_localrc:
         CINDER_ENABLED_BACKENDS: lvm:lvmdriver-1,lvm:lvmdriver-2
@@ -301,16 +301,23 @@
     # as swift is ready on py3 from stable/ussuri onwards.
     timeout: 10800
     branches: ^(?!stable/(ocata|pike|queens|rocky|stein|train)).*$
-    vars: *tempest_slow_vars
-
-- job:
-    name: tempest-slow-parallel
-    parent: tempest-slow-py3
-    # This job run slow tests in parallel.
     vars:
       tox_envlist: slow
       devstack_localrc:
-        MYSQL_REDUCE_MEMORY: true
+        CINDER_ENABLED_BACKENDS: lvm:lvmdriver-1,lvm:lvmdriver-2
+        ENABLE_VOLUME_MULTIATTACH: true
+      devstack_plugins:
+        neutron: https://opendev.org/openstack/neutron
+      devstack_services:
+        neutron-placement: true
+        neutron-qos: true
+    group-vars:
+      # NOTE(mriedem): The ENABLE_VOLUME_MULTIATTACH variable is used on both
+      # the controller and subnode prior to Rocky so we have to make sure the
+      # variable is set in both locations.
+      subnode:
+        devstack_localrc:
+          ENABLE_VOLUME_MULTIATTACH: true
 
 - job:
     name: tempest-cinder-v2-api
diff --git a/zuul.d/project.yaml b/zuul.d/project.yaml
index 6e1ba5e..3223a1e 100644
--- a/zuul.d/project.yaml
+++ b/zuul.d/project.yaml
@@ -157,7 +157,6 @@
             irrelevant-files: *tempest-irrelevant-files
         - tempest-all:
             irrelevant-files: *tempest-irrelevant-files
-        - tempest-slow-parallel
         - tempest-full-parallel
         - tempest-full-zed-extra-tests
         - tempest-full-yoga-extra-tests
@@ -192,7 +191,6 @@
     periodic:
       jobs:
         - tempest-all
-        - tempest-slow-parallel
         - tempest-full-parallel
         - tempest-full-oslo-master
         - tempest-stestr-master