diff --git a/dags/operators/DagBatchPipelineOperator.py b/dags/operators/DagBatchPipelineOperator.py
index 64b4e5db..f7dd27fb 100644
--- a/dags/operators/DagBatchPipelineOperator.py
+++ b/dags/operators/DagBatchPipelineOperator.py
@@ -18,7 +18,6 @@
 NOTICE_IDS_KEY = "notice_ids"
 START_WITH_STEP_NAME_KEY = "start_with_step_name"
 EXECUTE_ONLY_ONE_STEP_KEY = "execute_only_one_step"
-DEFAULT_NUMBER_OF_CELERY_WORKERS = 6  # TODO: revise this config
 NOTICE_PROCESSING_PIPELINE_DAG_NAME = "notice_processing_pipeline"
 DEFAULT_START_WITH_TASK_ID = "notice_normalisation_pipeline"
 DEFAULT_PIPELINE_NAME_FOR_LOGS = "unknown_pipeline_name"
@@ -116,7 +115,7 @@ def multithread_notice_processor(notice_id: str):
         batch_event_message.end_record()
         logger.info(event_message=batch_event_message)
         if not processed_notice_ids:
-            raise Exception(f"No notice has been processed!")
+            raise Exception("No notice has been processed!")
         smart_xcom_push(key=NOTICE_IDS_KEY, value=processed_notice_ids)
 
 
@@ -143,9 +142,9 @@ def execute(self, context: Any):
             self.execute_only_one_step = get_dag_param(key=EXECUTE_ONLY_ONE_STEP_KEY, default_value=False)
         notice_ids = pull_dag_upstream(key=NOTICE_IDS_KEY)
         if notice_ids:
-            if self.batch_size is None:
-                computed_batch_size = 1 + len(notice_ids) // DEFAULT_NUMBER_OF_CELERY_WORKERS
-                batch_size = computed_batch_size if computed_batch_size < MAX_BATCH_SIZE else MAX_BATCH_SIZE
+            if self.batch_size:
+                batch_size = 1 + len(notice_ids) // AIRFLOW_NUMBER_OF_WORKERS
+                batch_size = batch_size if batch_size < MAX_BATCH_SIZE else MAX_BATCH_SIZE
             else:
                 batch_size = self.batch_size
             for notice_batch in chunks(notice_ids, chunk_size=batch_size):