diff --git a/contrib/ci/pre_test_hook.sh b/contrib/ci/pre_test_hook.sh
index c3ca0bac38..aa5f9e60c8 100755
--- a/contrib/ci/pre_test_hook.sh
+++ b/contrib/ci/pre_test_hook.sh
@@ -44,8 +44,6 @@ echo "IDENTITY_API_VERSION=3" >> $localconf
 echo "CINDER_OVERSUBSCRIPTION_RATIO=100.0" >> $localconf
 echo "MANILA_ENABLED_BACKENDS=london,paris" >> $localconf
 
-echo "MANILA_INSTALL_TEMPEST_PLUGIN_SYSTEMWIDE=${MANILA_INSTALL_TEMPEST_PLUGIN_SYSTEMWIDE:=True}" >> $localconf
-
 echo "MANILA_ALLOW_NAS_SERVER_PORTS_ON_HOST=${MANILA_ALLOW_NAS_SERVER_PORTS_ON_HOST:=False}" >> $localconf
 
 # === Handle script arguments ===
diff --git a/devstack/plugin.sh b/devstack/plugin.sh
index 0576f6fefe..ed3e1ecced 100755
--- a/devstack/plugin.sh
+++ b/devstack/plugin.sh
@@ -914,15 +914,6 @@ function stop_manila {
     done
 }
 
-function install_manila_tempest_plugin {
-    MANILA_TEMPEST_PLUGIN_REPO=${MANILA_TEMPEST_PLUGIN_REPO:-${GIT_BASE}/openstack/manila-tempest-plugin}
-    MANILA_TEMPEST_PLUGIN_BRANCH=${MANILA_TEMPEST_PLUGIN_BRANCH:-master}
-    MANILA_TEMPEST_PLUGIN_DIR=$DEST/manila-tempest-plugin
-
-    git_clone $MANILA_TEMPEST_PLUGIN_REPO $MANILA_TEMPEST_PLUGIN_DIR $MANILA_TEMPEST_PLUGIN_BRANCH
-    setup_develop $MANILA_TEMPEST_PLUGIN_DIR
-}
-
 # update_tempest - Function used for updating Tempest config if Tempest service enabled
 function update_tempest {
     if is_service_enabled tempest; then
@@ -1302,17 +1293,6 @@ elif [[ "$1" == "stack" && "$2" == "test-config" ]]; then
     fi
     ###########################################################################
 
-
-    if [ $(trueorfalse False MANILA_INSTALL_TEMPEST_PLUGIN_SYSTEMWIDE) == True ]; then
-        echo_summary "Fetching and installing manila-tempest-plugin system-wide"
-        install_manila_tempest_plugin
-        export DEPRECATED_TEXT="$DEPRECATED_TEXT\nInstalling
-        manila-tempest-plugin can be done with the help of its own DevStack
-        plugin by adding: \n\n\t'enable_plugin manila-tempest-plugin
-        https://opendev.org/openstack/manila-tempest-plugin'.\n\nManila's
-        DevStack plugin will stop installing it automatically."
-    fi
-
     echo_summary "Update Tempest config"
     update_tempest
 
diff --git a/zuul.d/grenade-jobs.yaml b/zuul.d/grenade-jobs.yaml
index 90e69f0b86..ad14826cdf 100644
--- a/zuul.d/grenade-jobs.yaml
+++ b/zuul.d/grenade-jobs.yaml
@@ -23,7 +23,6 @@
           # This job performs data path tests, it's good to test
           # both DHSS driver modes with it, but for now, it'll use the LVM
           # driver (DHSS=False)
-          MANILA_INSTALL_TEMPEST_PLUGIN_SYSTEMWIDE: false
           MANILA_ALLOW_NAS_SERVER_PORTS_ON_HOST: true
           MANILA_DEFAULT_SHARE_TYPE_EXTRA_SPECS: 'snapshot_support=True create_share_from_snapshot_support=True revert_to_snapshot_support=True mount_snapshot_support=True'
           MANILA_CONFIGURE_DEFAULT_TYPES: true