diff --git a/src/memos/mem_scheduler/schemas/monitor_schemas.py b/src/memos/mem_scheduler/schemas/monitor_schemas.py
index fd4204969..0a41736df 100644
--- a/src/memos/mem_scheduler/schemas/monitor_schemas.py
+++ b/src/memos/mem_scheduler/schemas/monitor_schemas.py
@@ -141,10 +141,6 @@ def get_queries_with_timesort(self, reverse: bool = True) -> list[str]:
     def to_json(self) -> str:
         """Serialize the queue to a JSON string.
 
-        Args:
-            item_serializer: Optional function to serialize individual items.
-                             If not provided, items must be JSON-serializable.
-
         Returns:
             A JSON string representing the queue's content and maxsize.
         """
@@ -160,8 +156,6 @@ def from_json(cls, json_str: str) -> "QueryMonitorQueue":
 
         Args:
             json_str: JSON string created by to_json()
-            item_deserializer: Optional function to reconstruct items from dicts.
-                               If not provided, items are used as-is.
 
         Returns:
             A new AutoDroppingQueue instance with deserialized data.
diff --git a/src/memos/mem_scheduler/task_schedule_modules/orchestrator.py b/src/memos/mem_scheduler/task_schedule_modules/orchestrator.py
index af46b3dcd..d8d359008 100644
--- a/src/memos/mem_scheduler/task_schedule_modules/orchestrator.py
+++ b/src/memos/mem_scheduler/task_schedule_modules/orchestrator.py
@@ -29,10 +29,7 @@
 
 class SchedulerOrchestrator(RedisSchedulerModule):
     def __init__(self):
-        """
-        Args:
-            queue: An instance of `SchedulerRedisQueue`.
-        """
+        """Initialize the orchestrator with an empty fetch cache."""
         # Cache of fetched messages grouped by (user_id, mem_cube_id, task_label)
         self._cache = None
         self.tasks_priorities = {}
diff --git a/src/memos/mem_scheduler/task_schedule_modules/redis_queue.py b/src/memos/mem_scheduler/task_schedule_modules/redis_queue.py
index 79f40def4..8514b3690 100644
--- a/src/memos/mem_scheduler/task_schedule_modules/redis_queue.py
+++ b/src/memos/mem_scheduler/task_schedule_modules/redis_queue.py
@@ -61,7 +61,6 @@ def __init__(
             consumer_group: Name of the consumer group
             consumer_name: Name of the consumer (auto-generated if None)
             max_len: Maximum length of the stream (for memory management)
-            maxsize: Maximum size of the queue (for Queue compatibility, ignored)
             auto_delete_acked: Whether to automatically delete acknowledged messages from stream
         """
         super().__init__()