diff --git a/src/blueapi/worker/reworker.py b/src/blueapi/worker/reworker.py
index 77588f0b0..7444abd79 100644
--- a/src/blueapi/worker/reworker.py
+++ b/src/blueapi/worker/reworker.py
@@ -86,7 +86,6 @@ def __init__(
         self._status_lock = RLock()
         self._status_snapshot = {}
         self._completed_statuses = set()
-        self._task_start_hooks = []
         self._started = Event()
         self._stopping = Event()
         self._stopped = Event()