diff --git a/backend/core/migrations/0019_merge_20240726_2156.py b/backend/core/migrations/0019_merge_20240726_2156.py
new file mode 100644
index 000000000..30137e1f4
--- /dev/null
+++ b/backend/core/migrations/0019_merge_20240726_2156.py
@@ -0,0 +1,12 @@
+# Generated by Django 5.0.6 on 2024-07-26 21:56
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("core", "0018_appliedcontrol_csf_function_and_more"),
+        ("core", "0018_framework_translations_loadedlibrary_translations_and_more"),
+    ]
+
+    operations = []
diff --git a/frontend/src/lib/components/ModelTable/ModelTable.svelte b/frontend/src/lib/components/ModelTable/ModelTable.svelte
index 3961703a1..63a8eb456 100644
--- a/frontend/src/lib/components/ModelTable/ModelTable.svelte
+++ b/frontend/src/lib/components/ModelTable/ModelTable.svelte
@@ -208,6 +208,7 @@
 	const actionsURLModel = source.meta?.urlmodel ?? URLModel;
 	const preventDelete = (row: TableSource) =>
 		(row.meta.builtin && actionsURLModel !== 'loaded-libraries') ||
+		(URLModel !== 'libraries' && Object.hasOwn(row.meta, 'urn') && row.meta.urn) ||
 		(Object.hasOwn(row.meta, 'reference_count') && row.meta.reference_count > 0);
 
 	import { popup } from '@skeletonlabs/skeleton';