diff --git a/src/blueapi/core/event.py b/src/blueapi/core/event.py
index 6eb2b94d1..fde29b3de 100644
--- a/src/blueapi/core/event.py
+++ b/src/blueapi/core/event.py
@@ -1,6 +1,5 @@
 import itertools
 from abc import ABC, abstractmethod
-from copy import copy
 from typing import Callable, Dict, Generic, Optional, TypeVar
 
 #: Event type
diff --git a/src/blueapi/worker/task.py b/src/blueapi/worker/task.py
index d9e0ff71b..fdec51202 100644
--- a/src/blueapi/worker/task.py
+++ b/src/blueapi/worker/task.py
@@ -1,6 +1,5 @@
 import logging
 from abc import ABC, abstractmethod
-from dataclasses import dataclass
 from typing import Any, Mapping
 
 from pydantic import BaseModel, Field, parse_obj_as
diff --git a/tests/service/test_rest_api.py b/tests/service/test_rest_api.py
index e96fc43f9..4363792d2 100644
--- a/tests/service/test_rest_api.py
+++ b/tests/service/test_rest_api.py
@@ -1,4 +1,3 @@
-import itertools
 from dataclasses import dataclass
 
 from fastapi.testclient import TestClient
@@ -6,7 +5,6 @@
 
 from blueapi.core.bluesky_types import Plan
 from blueapi.service.handler import Handler
-from blueapi.service.model import TaskResponse
 from blueapi.worker.task import RunPlan, Task