diff --git a/app/celery/process_ses_receipts_tasks.py b/app/celery/process_ses_receipts_tasks.py
index 2a65c376b..785bb3376 100644
--- a/app/celery/process_ses_receipts_tasks.py
+++ b/app/celery/process_ses_receipts_tasks.py
@@ -113,7 +113,7 @@ def process_ses_results(self, response):
     except Retry:
         raise
 
-    except Exception as e:
+    except Exception:
         current_app.logger.exception("Error processing SES results", exc_info=True)
         self.retry(queue=QueueNames.RETRY)
 
@@ -204,9 +204,9 @@ def handle_complaint(ses_message):
     )
     try:
         reference = ses_message["mail"]["messageId"]
-    except KeyError as e:
+    except KeyError:
         current_app.logger.exception(
-            f"Complaint from SES failed to get reference from message", exc_info=True
+            "Complaint from SES failed to get reference from message", exc_info=True
         )
         return
     notification = dao_get_notification_history_by_reference(reference)
diff --git a/app/celery/provider_tasks.py b/app/celery/provider_tasks.py
index a098517b9..6e3cb8705 100644
--- a/app/celery/provider_tasks.py
+++ b/app/celery/provider_tasks.py
@@ -187,7 +187,7 @@ def deliver_email(self, notification_id):
 
         notification.personalisation = json.loads(personalisation)
         send_to_providers.send_email_to_provider(notification)
-    except EmailClientNonRetryableException as e:
+    except EmailClientNonRetryableException:
         current_app.logger.exception(
             f"Email notification {notification_id} failed", exc_info=True
         )