diff --git a/nanobot/agent/loop.py b/nanobot/agent/loop.py
index 213631618..9128b8840 100644
--- a/nanobot/agent/loop.py
+++ b/nanobot/agent/loop.py
@@ -41,8 +41,8 @@ if TYPE_CHECKING:
     from nanobot.cron.service import CronService
 
 
-# Named constant for unified session key, used across multiple locations
 UNIFIED_SESSION_KEY = "unified:default"
+
 class _LoopHook(AgentHook):
     """Core hook for the main loop."""