diff --git a/agent_based/checkpoint_asg_chassis.py b/agent_based/checkpoint_asg_chassis.py
index 6d0eb6a300945b90f5e48ae81931331e5a896f24..1dc51786bf51c709e337e5ae4e216a2c58f22f1b 100644
--- a/agent_based/checkpoint_asg_chassis.py
+++ b/agent_based/checkpoint_asg_chassis.py
@@ -14,7 +14,6 @@
 # 2021-09-10: rewrite parse function
 # 2021-09-11: added WATO, cleanup
 # 2022-10-23: fixed warning on upgrade "non-empty params vanished" for discovery_chassis and discovery_sgms
-# 2022-11-17: added workaround for wrong SNMP data in grad/maxgrade in R81.x
 #
 # sample snmpwalk 
 # .1.3.6.1.4.1.2620.1.48.28.1.0 = STRING: "Multi"
@@ -158,9 +157,8 @@ def check_checkpoint_asg_chassis(params, section: CheckPointASGChassis) -> Check
         else:
             yield Result(state=State.OK, summary=f'Chassis {chassis.id}: {chassis.status}')
 
-        maxgrade = max(chassis.grad, chassis.maxgrade)  # bad workaround for anmp bug in R81.x
-        summary = f'grade: {chassis.grade}/{maxgrade}'
-        details = f'Chassis {chassis.id} grade: {chassis.grade}/{maxgrade}'
+        summary = f'grade: {chassis.grade}/{chassis.maxgrade}'
+        details = f'Chassis {chassis.id} grade: {chassis.grade}/{chassis.maxgrade}'
         if chassis.grade != chassis.maxgrade:
             yield Result(state=State(params['state_chassis_not_max_grade']), summary=summary, details=details)
         else: