diff --git a/backend/test_observer/controllers/test_executions/helpers.py b/backend/test_observer/controllers/test_executions/helpers.py
index 444e3fd3..06be5c12 100644
--- a/backend/test_observer/controllers/test_executions/helpers.py
+++ b/backend/test_observer/controllers/test_executions/helpers.py
@@ -34,7 +34,6 @@ def parse_previous_test_results(
                 status=test_result.status,
                 version=test_result.test_execution.artefact_build.artefact.version,
                 artefact_id=test_result.test_execution.artefact_build.artefact_id,
-                test_execution_id=test_result.test_execution.id,
             )
             for test_result in test_results
         ]
diff --git a/backend/test_observer/controllers/test_executions/models.py b/backend/test_observer/controllers/test_executions/models.py
index c99b87b2..60d9ade8 100644
--- a/backend/test_observer/controllers/test_executions/models.py
+++ b/backend/test_observer/controllers/test_executions/models.py
@@ -115,7 +115,6 @@ class PreviousTestResult(BaseModel):
     status: TestResultStatus
     version: str
     artefact_id: int
-    test_execution_id: int
 
 
 class TestResultDTO(BaseModel):
diff --git a/backend/tests/controllers/test_executions/test_get_test_results.py b/backend/tests/controllers/test_executions/test_get_test_results.py
index 85443013..93040ca4 100644
--- a/backend/tests/controllers/test_executions/test_get_test_results.py
+++ b/backend/tests/controllers/test_executions/test_get_test_results.py
@@ -67,7 +67,6 @@ def test_fetch_test_results(test_client: TestClient, generator: DataGenerator):
             "status": test_result_first.status,
             "version": artefact_first.version,
             "artefact_id": artefact_first.id,
-            "test_execution_id": test_execution_first.id,
         }
     ]
 
@@ -113,7 +112,6 @@ def test_previous_results_only_uses_latest_builds(
                     "status": tr12.status,
                     "version": a1.version,
                     "artefact_id": a1.id,
-                    "test_execution_id": te12.id,
                 }
             ],
         }
@@ -152,7 +150,6 @@ def test_previous_results_shows_reruns(
                     "status": tr1.status,
                     "version": a.version,
                     "artefact_id": a.id,
-                    "test_execution_id": te1.id,
                 }
             ],
         }