diff --git a/HLT/Trigger/TrigControl/TrigExamples/python/MTCalibPebConfig.py b/HLT/Trigger/TrigControl/TrigExamples/python/MTCalibPebConfig.py
index 857b9ba8c43a49cca96ea788c5cdc5c8d165985c..5fc715418d5c61057fae292e9f5390aa8395b97f 100644
--- a/HLT/Trigger/TrigControl/TrigExamples/python/MTCalibPebConfig.py
+++ b/HLT/Trigger/TrigControl/TrigExamples/python/MTCalibPebConfig.py
@@ -407,8 +407,6 @@ def write_dummy_menu_json(flags, chains, chain_to_streams):
 
 # unit test
 if __name__ == '__main__':
-    from AthenaCommon.Configurable import Configurable
-    Configurable.configurableRun3Behavior=1
     from AthenaConfiguration.AllConfigFlags import ConfigFlags as flags
     set_flags(flags)
     flags.lock()