diff --git a/api/src/utils/generics/base-repository.ts b/api/src/utils/generics/base-repository.ts
index 3094d490..ccfabb09 100644
--- a/api/src/utils/generics/base-repository.ts
+++ b/api/src/utils/generics/base-repository.ts
@@ -555,8 +555,10 @@ export abstract class BaseRepository<
   }
 
   async deleteOne(criteria: string | TFilterQuery<T>): Promise<DeleteResult> {
+    const filter = typeof criteria === 'string' ? { _id: criteria } : criteria;
+
     return await this.model
-      .deleteOne(typeof criteria === 'string' ? { _id: criteria } : criteria)
+      .deleteOne({ ...filter, builtin: { $ne: true } })
       .exec();
   }