diff --git a/mod/lti/backup/moodle2/backup_lti_stepslib.php b/mod/lti/backup/moodle2/backup_lti_stepslib.php
index ae211860f3da2..317c27d3cc44a 100644
--- a/mod/lti/backup/moodle2/backup_lti_stepslib.php
+++ b/mod/lti/backup/moodle2/backup_lti_stepslib.php
@@ -213,7 +213,6 @@ protected function define_structure() {
 
         // Add support for subplugin structures.
         $this->add_subplugin_structure('ltisource', $lti, true);
-        $this->add_subplugin_structure('ltiservice', $lti, true);
 
         // Return the root element (lti), wrapped into standard activity structure.
         return $this->prepare_activity_structure($lti);
diff --git a/mod/lti/backup/moodle2/restore_lti_stepslib.php b/mod/lti/backup/moodle2/restore_lti_stepslib.php
index 05bec128fe334..6d6d793a5b21e 100644
--- a/mod/lti/backup/moodle2/restore_lti_stepslib.php
+++ b/mod/lti/backup/moodle2/restore_lti_stepslib.php
@@ -82,7 +82,6 @@ protected function define_structure() {
 
         // Add support for subplugin structures.
         $this->add_subplugin_structure('ltisource', $lti);
-        $this->add_subplugin_structure('ltiservice', $lti);
 
         // Return the paths wrapped into standard activity structure.
         return $this->prepare_activity_structure($paths);
diff --git a/mod/lti/db/subplugins.json b/mod/lti/db/subplugins.json
index 35f0d1684f6c9..e31abc2eb16c7 100644
--- a/mod/lti/db/subplugins.json
+++ b/mod/lti/db/subplugins.json
@@ -1,6 +1,8 @@
 {
     "plugintypes": {
-        "ltisource": "mod\/lti\/source",
+        "ltisource": "mod\/lti\/source"
+    },
+    "deprecatedplugintypes": {
         "ltiservice": "mod\/lti\/service"
     }
 }