diff --git a/packages/plugins/ui-schema-storage/src/collections/uiSchemaTemplates.ts b/packages/plugins/ui-schema-storage/src/collections/uiSchemaTemplates.ts
index 4d905b5cd..d9afe02cf 100644
--- a/packages/plugins/ui-schema-storage/src/collections/uiSchemaTemplates.ts
+++ b/packages/plugins/ui-schema-storage/src/collections/uiSchemaTemplates.ts
@@ -39,6 +39,7 @@ export default defineCollection({
       target: 'collections',
       foreignKey: 'collectionName',
       targetKey: 'name',
+      onDelete: 'CASCADE',
     },
   ],
 });