diff --git a/app/Models/Bill.php b/app/Models/Bill.php
index 91a5600200..e3130d8962 100644
--- a/app/Models/Bill.php
+++ b/app/Models/Bill.php
@@ -17,6 +17,7 @@ use Crypt;
 use Illuminate\Database\Eloquent\Model;
 use Illuminate\Database\Eloquent\Relations\BelongsTo;
 use Illuminate\Database\Eloquent\Relations\HasMany;
+use Illuminate\Database\Eloquent\SoftDeletes;
 use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
 use Watson\Validating\ValidatingTrait;