diff --git a/applications/modelling_e2e/handler.py b/applications/modelling_e2e/handler.py
index a715c7bf..32c76d7d 100644
--- a/applications/modelling_e2e/handler.py
+++ b/applications/modelling_e2e/handler.py
@@ -25,7 +25,6 @@ from __future__ import annotations
 
 import dataclasses
 import io
-import json
 import os
 from collections.abc import Callable
 from typing import Any, Optional, cast
@@ -460,9 +459,5 @@ def handler(body: dict[str, Any], context: Any, orchestrator: TaskOrchestrator,
                 f"{[s['certificate_number'] for s in skipped_certs]}"
             )
 
-        if skipped_certs:
-            raise RuntimeError(
-                f"skipped_unmappable_cohort_certs: {json.dumps(skipped_certs)}"
-            )
     finally:
         read_session.close()
diff --git a/tests/applications/modelling_e2e/test_handler.py b/tests/applications/modelling_e2e/test_handler.py
index 2a01e258..e2664a4b 100644
--- a/tests/applications/modelling_e2e/test_handler.py
+++ b/tests/applications/modelling_e2e/test_handler.py
@@ -293,12 +293,9 @@ def test_lodged_epc_path_saves_epc_plan_and_marks_modelled(
     _baseline_orchestrator.return_value.run.assert_called_once_with([PROPERTY_ID])
 
 
-def test_skipped_cohort_certs_fail_the_subtask_but_the_plan_is_still_saved() -> None:
-    """Cohort certs the mapper can't consume are skipped (so prediction is not
-    aborted), then surfaced as a failure — the subtask is marked failed (the
-    cert numbers land in outputs.error via the raised RuntimeError) so the
-    mapper gaps get debugged. The batch still ran to completion first, so the
-    property's plan was committed before the handler raised."""
+def test_skipped_cohort_certs_do_not_prevent_plan_being_saved() -> None:
+    """Cohort certs the mapper can't consume are skipped so prediction can
+    proceed — the property's plan is committed before the handler returns."""
     from repositories.comparable_properties.epc_comparable_properties_repository import (
         SkippedCohortCert,
     )
@@ -372,16 +369,10 @@ def test_skipped_cohort_certs_fail_the_subtask_but_the_plan_is_still_saved() ->
         MockUoW.return_value.__enter__.return_value = mock_uow
         MockUoW.return_value.__exit__.return_value = False
 
-        # Act — the skipped cert fails the subtask, but only after the batch ran.
-        with pytest.raises(RuntimeError) as excinfo:
-            _call_handler(_BODY)
+        # Act — no raise even with a skipped cert
+        _call_handler(_BODY)
 
-    # Assert — the cert number + error reach outputs.error (the raised message),
-    # and the property's plan was still committed before the handler raised.
-    message = str(excinfo.value)
-    assert "skipped_unmappable_cohort_certs" in message
-    assert "8257-7539-1649-0633-4992" in message
-    assert "RdSapSchema17_1: missing required field 'window'" in message
+    # Assert — plan committed despite the skipped cert
     mock_uow.plan.save.assert_called_once()
     mock_uow.commit.assert_called_once()