diff --git a/application/backend/src/services/model_service.py b/application/backend/src/services/model_service.py
index 09f6b62408..8617461b5f 100644
--- a/application/backend/src/services/model_service.py
+++ b/application/backend/src/services/model_service.py
@@ -25,7 +25,7 @@
 from pydantic_models import Model, ModelList, PredictionLabel, PredictionResponse
 from pydantic_models.base import Pagination
 from pydantic_models.model import ExportParameters
-from repositories import ModelRepository
+from repositories import JobRepository, ModelRepository
 from repositories.binary_repo import ModelBinaryRepository, ModelExportBinaryRepository
 from services import ResourceNotFoundError
 from services.dataset_snapshot_service import DatasetSnapshotService
@@ -112,10 +112,16 @@ async def delete_model(cls, project_id: UUID, model_id: UUID) -> None:
         ds_snapshot_id = model.dataset_snapshot_id
         await DatasetSnapshotService.delete_snapshot_if_unused(snapshot_id=ds_snapshot_id, project_id=project_id)
 
+        train_job_id = model.train_job_id
+
         async with get_async_db_session_ctx() as session:
             repo = ModelRepository(session, project_id=project_id)
             await repo.delete_by_id(model_id)
 
+            if train_job_id:
+                job_repo = JobRepository(session)
+                await job_repo.delete_by_id(train_job_id)
+
     @classmethod
     async def delete_project_models_db(cls, session: AsyncSession, project_id: UUID, commit: bool = False) -> None:
         """Delete all models associated with a project from the database."""
diff --git a/application/backend/tests/unit/services/test_model_service.py b/application/backend/tests/unit/services/test_model_service.py
index 2a3aae08e5..ffc07ff1f1 100644
--- a/application/backend/tests/unit/services/test_model_service.py
+++ b/application/backend/tests/unit/services/test_model_service.py
@@ -2,6 +2,7 @@
 # SPDX-License-Identifier: Apache-2.0
 import asyncio
 from unittest.mock import AsyncMock, MagicMock, patch
+from uuid import uuid4
 
 import numpy as np
 import openvino.properties.hint as ov_hints
@@ -151,6 +152,31 @@ def test_delete_model(self, fxt_model_service, fxt_model_repository, fxt_model,
         )
         mock_binary_repo.delete_model_folder.assert_called_once()
 
+    def test_delete_model_also_deletes_training_job(
+        self, fxt_model_service, fxt_model_repository, fxt_model, fxt_project
+    ):
+        """Test that deleting a model also deletes its associated training job."""
+        fxt_model_repository.delete_by_id.return_value = None
+        fxt_model_repository.get_by_id.return_value = fxt_model
+        fxt_model.train_job_id = uuid4()
+
+        with (
+            patch("services.model_service.ModelRepository") as mock_repo_class,
+            patch("services.model_service.JobRepository") as mock_job_repo_class,
+            patch("services.model_service.DatasetSnapshotService") as mock_snapshot_service,
+            patch("services.model_service.ModelBinaryRepository") as mock_binary_repo_class,
+        ):
+            mock_repo_class.return_value = fxt_model_repository
+            mock_job_repo = MagicMock()
+            mock_job_repo.delete_by_id = AsyncMock()
+            mock_job_repo_class.return_value = mock_job_repo
+            mock_binary_repo_class.return_value.delete_model_folder = AsyncMock()
+            mock_snapshot_service.delete_snapshot_if_unused = AsyncMock()
+
+            asyncio.run(fxt_model_service.delete_model(fxt_project.id, fxt_model.id))
+
+        mock_job_repo.delete_by_id.assert_called_once_with(fxt_model.train_job_id)
+
     def test_load_inference_model_success(self, fxt_model_service, fxt_model, fxt_openvino_inferencer):
         """Test loading inference model successfully."""
         with patch("services.model_service.ModelBinaryRepository") as mock_bin_repo_class: