diff --git a/ietf/group/migrations/0007_used_roles.py b/ietf/group/migrations/0007_used_roles.py
new file mode 100644
index 0000000000..0dfa79fa03
--- /dev/null
+++ b/ietf/group/migrations/0007_used_roles.py
@@ -0,0 +1,49 @@
+# Copyright The IETF Trust 2025, All Rights Reserved
+
+from django.db import migrations
+
+
+def forward(apps, schema_editor):
+    Group = apps.get_model("group", "Group")
+    GroupFeatures = apps.get_model("group", "GroupFeatures")
+    iab = Group.objects.get(acronym="iab")
+    iab.used_roles = [
+        "chair",
+        "delegate",
+        "exofficio",
+        "liaison",
+        "liaison_coordinator",
+        "member",
+    ]
+    iab.save()
+    GroupFeatures.objects.filter(type_id="ietf").update(
+        default_used_roles=[
+            "ad",
+            "member",
+            "comdir",
+            "delegate",
+            "execdir",
+            "recman",
+            "secr",
+            "chair",
+        ]
+    )
+
+
+def reverse(apps, schema_editor):
+    Group = apps.get_model("group", "Group")
+    iab = Group.objects.get(acronym="iab")
+    iab.used_roles = []
+    iab.save()
+    # Intentionally not putting trac-* back into grouptype ietf default_used_roles
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("group", "0006_remove_liason_contacts"),
+        ("name", "0018_alter_rolenames"),
+    ]
+
+    operations = [
+        migrations.RunPython(forward, reverse),
+    ]
diff --git a/ietf/name/fixtures/names.json b/ietf/name/fixtures/names.json
index cfb866e02a..ebdda1a1fa 100644
--- a/ietf/name/fixtures/names.json
+++ b/ietf/name/fixtures/names.json
@@ -3341,7 +3341,7 @@
       "customize_workflow": false,
       "default_parent": "",
       "default_tab": "ietf.group.views.group_about",
-      "default_used_roles": "[\n    \"ad\",\n    \"member\",\n    \"comdir\",\n    \"delegate\",\n    \"execdir\",\n    \"recman\",\n    \"secr\",\n    \"trac-editor\",\n    \"trac-admin\",\n    \"chair\"\n]",
+      "default_used_roles": "[\n    \"ad\",\n    \"member\",\n    \"comdir\",\n    \"delegate\",\n    \"execdir\",\n    \"recman\",\n    \"secr\",\n    \"chair\"\n]",
       "docman_roles": "[\n    \"chair\"\n]",
       "groupman_authroles": "[\n    \"Secretariat\"\n]",
       "groupman_roles": "[\n    \"chair\",\n    \"delegate\"\n]",
@@ -13607,7 +13607,7 @@
     "fields": {
       "desc": "Coordinates liaison handling for the IAB",
       "name": "Liaison Coordinator",
-      "order": 0,
+      "order": 14,
       "used": true
     },
     "model": "name.rolename",
@@ -13698,7 +13698,7 @@
       "desc": "Assigned permission TRAC_ADMIN in datatracker-managed Trac Wiki instances",
       "name": "Trac Admin",
       "order": 0,
-      "used": true
+      "used": false
     },
     "model": "name.rolename",
     "pk": "trac-admin"
@@ -13708,7 +13708,7 @@
       "desc": "Provides log-in permission to restricted Trac instances.  Used by the generate_apache_perms management command, called from ../../scripts/Cron-runner",
       "name": "Trac Editor",
       "order": 0,
-      "used": true
+      "used": false
     },
     "model": "name.rolename",
     "pk": "trac-editor"
diff --git a/ietf/name/migrations/0018_alter_liaisonrolenames.py b/ietf/name/migrations/0018_alter_rolenames.py
similarity index 86%
rename from ietf/name/migrations/0018_alter_liaisonrolenames.py
rename to ietf/name/migrations/0018_alter_rolenames.py
index 5d57f34a64..f931de2e97 100644
--- a/ietf/name/migrations/0018_alter_liaisonrolenames.py
+++ b/ietf/name/migrations/0018_alter_rolenames.py
@@ -13,8 +13,10 @@ def forward(apps, schema_editor):
         defaults={
             "name": "Liaison Coordinator",
             "desc": "Coordinates liaison handling for the IAB",
+            "order": 14,
         },
     )
+    RoleName.objects.filter(slug__contains="trac-").update(used=False)
 
 
 def reverse(apps, schema_editor):
@@ -23,6 +25,7 @@ def reverse(apps, schema_editor):
         used=True
     )
     RoleName.objects.filter(slug="liaison_coordinator").delete()
+    # Intentionally not restoring trac-* RoleNames to used=True
 
 
 class Migration(migrations.Migration):