diff --git a/polarion_rest_api_client/clients/base_classes.py b/polarion_rest_api_client/clients/base_classes.py
index 2f79f51..bb74316 100644
--- a/polarion_rest_api_client/clients/base_classes.py
+++ b/polarion_rest_api_client/clients/base_classes.py
@@ -250,6 +250,8 @@ class StatusItemClient(UpdatableItemsClient, t.Generic[ST], abc.ABC):
     them. This status has to be provided on initialization.
     """
 
+    item_cls: type[ST]
+
     def __init__(
         self,
         project_id: str,
@@ -266,6 +268,10 @@ def delete(self, items: ST | list[ST]):
         else:
             if not isinstance(items, list):
                 items = [items]
+            delete_items: list[ST] = []
             for item in items:
                 item.status = self.delete_status
-            self.update(items)
+                delete_items.append(
+                    self.item_cls(id=item.id, status=self.delete_status)
+                )
+            self.update(delete_items)
diff --git a/polarion_rest_api_client/clients/work_items.py b/polarion_rest_api_client/clients/work_items.py
index b30f503..57b08c6 100644
--- a/polarion_rest_api_client/clients/work_items.py
+++ b/polarion_rest_api_client/clients/work_items.py
@@ -49,6 +49,7 @@ def __init__(
             project_id, client
         )
         self.links = work_item_links.WorkItemLinks(project_id, client)
+        self.item_cls = dm.WorkItem
 
     def _update(self, to_update: list[dm.WorkItem] | dm.WorkItem):
         assert not isinstance(to_update, list), "Expected only one item"