diff --git a/tests/conftest.py b/tests/conftest.py
index a1310ecf..e30d464a 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -116,7 +116,7 @@ def base_object(
     model: capellambse.MelodyModel, monkeypatch: pytest.MonkeyPatch
 ) -> BaseObjectContainer:
     work_item = data_models.CapellaWorkItem(
-        id="Obj-1", uuid_capella="uuid1", status="open", checksum="123"
+        id="Obj-1", uuid_capella="uuid1", status="open"
     )
     c2p_cli = cli.Capella2PolarionCli(
         debug=True,
@@ -155,7 +155,6 @@ def base_object(
                 id="Obj-1",
                 uuid_capella="uuid1",
                 status="open",
-                checksum="123",
                 type="fakeModelObject",
             ),
         ),
diff --git a/tests/test_elements.py b/tests/test_elements.py
index e27f785c..ead333f3 100644
--- a/tests/test_elements.py
+++ b/tests/test_elements.py
@@ -749,7 +749,6 @@ def test_update_work_items(
                 title="Something",
                 description_type="text/html",
                 description=markupsafe.Markup("Test"),
-                checksum="123",
             )
         ]
         polarion_api_get_all_work_items = mock.MagicMock()
@@ -815,7 +814,6 @@ def test_update_deleted_work_item(
                 type="type",
                 uuid_capella="uuid1",
                 status="deleted",
-                checksum="123",
             )
         ]
         polarion_api_get_all_work_items = mock.MagicMock()
@@ -837,7 +835,6 @@ def test_update_deleted_work_item(
                 title="Something",
                 description_type="text/html",
                 description=markupsafe.Markup("Test"),
-                checksum="123",
             )
         )