diff --git a/src/pydase/data_service/task_manager.py b/src/pydase/data_service/task_manager.py
index 9ecfa3e..af5d6b1 100644
--- a/src/pydase/data_service/task_manager.py
+++ b/src/pydase/data_service/task_manager.py
@@ -21,10 +21,6 @@ if TYPE_CHECKING:
 logger = logging.getLogger(__name__)
 
 
-class TaskDefinitionError(Exception):
-    pass
-
-
 class TaskStatus(Enum):
     RUNNING = "running"