diff --git a/Event/EventOverlay/EventOverlayJobTransforms/scripts/chain.sh b/Event/EventOverlay/EventOverlayJobTransforms/scripts/chain.sh
index 5af342f77e62b1ed952dd47eeb79b88ee07188dd..af73d194b4f9bf9b63f5e43717707b0dff69e39c 100755
--- a/Event/EventOverlay/EventOverlayJobTransforms/scripts/chain.sh
+++ b/Event/EventOverlay/EventOverlayJobTransforms/scripts/chain.sh
@@ -39,7 +39,7 @@ if [ $doreco == 1 ]; then
 #rdotrig="--outputRDO_TRIGFile testRTT.RDO_TRIG.pool.root --triggerConfig MCRECO:DBF:TRIGGERDBMC:2046,20,48 "
 aodout="--outputAODFile testRTT.AOD.pool.root"
 #trigflag="from TriggerJobOpts.TriggerFlags import TriggerFlags as TF; TF.doLVL1.set_Value_and_Lock(False); TF.doL1Topo.set_Value_and_Lock(False); TF.doLVL2.set_Value_and_Lock(True); TF.doEF.set_Value_and_Lock(True);"
-trigflag="from TriggerJobOpts.TriggerFlags import TriggerFlags as TF; TF.readLVL1configFromXML.set_Value_and_Lock(True); TF.configForStartup.set_Value_and_Lock('HLToffline'); TF.configurationSourceList.set_Value_and_Lock('xml');"
+trigflag="from TriggerJobOpts.TriggerFlags import TriggerFlags as TF; TF.configForStartup.set_Value_and_Lock('HLToffline');"
 #dotrig="rec.doTrigger=True;"
 
 Reco_tf.py \
diff --git a/Trigger/TrigT1/TrigT1TGC/python/TrigT1TGCConfig.py b/Trigger/TrigT1/TrigT1TGC/python/TrigT1TGCConfig.py
index 75cbdd919d91059d12a4ec91b4922938279c2b39..dfa57e3f3c6fe5135cdbf00ae1de162b31288875 100755
--- a/Trigger/TrigT1/TrigT1TGC/python/TrigT1TGCConfig.py
+++ b/Trigger/TrigT1/TrigT1TGC/python/TrigT1TGCConfig.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2002-2020 CERN for the benefit of the ATLAS collaboration
+# Copyright (C) 2002-2021 CERN for the benefit of the ATLAS collaboration
 
 from TrigT1TGC.TrigT1TGCConf import LVL1TGCTrigger__LVL1TGCTrigger
 from AthenaCommon.AlgSequence import AlgSequence
@@ -22,27 +22,6 @@ job = AlgSequence()
 TrigT1TGC = TrigT1TGCConfig()
 job += TrigT1TGC
 
-
-# Configuration of TGC Coincidence Window (default is setK defined in LVL1TGCTrigger constructor)
-from TriggerJobOpts.TriggerFlags import TriggerFlags
-triggerMenuSetup = TriggerFlags.triggerMenuSetup()
-if triggerMenuSetup.startswith('MC_pp_v2'): # setH (the lowest threshold is L1_MU0) is used for MC_pp_v2 menus. 
-    job.LVL1TGCTrigger.VersionCW='setH'
-    job.LVL1TGCTrigger.MaskFileName12="TrigT1TGCMaskedChannel._12.MC_pp_v2.db"
-    print ('TrigT1TGCConfig.py: TGC Coincidence Window setH will be used for %s menu.' % triggerMenuSetup)
-elif triggerMenuSetup.startswith('MC_pp_v3'): # setI (MU4' is the lowest, for 2011 autumn pp runs/MC_pp_v3 menus) 
-    job.LVL1TGCTrigger.VersionCW='setI'
-    print ('TrigT1TGCConfig.py: TGC Coincidence Window setI will be used for %s menu.' % triggerMenuSetup)
-elif triggerMenuSetup.startswith('MC_HI_v1'): # setJ (for 2011 Heavy Ion runs) is used for MC_HI_v1 menus. 
-    job.LVL1TGCTrigger.VersionCW='setJ'
-    print ('TrigT1TGCConfig.py: TGC Coincidence Window setJ will be used for %s menu.' % triggerMenuSetup)
-elif triggerMenuSetup.startswith('MC_HI_v2'): # setL (for 2013 Heavy Ion runs) is used for MC_HI_v2 menus. 
-    job.LVL1TGCTrigger.VersionCW='setL'
-    print ('TrigT1TGCConfig.py: TGC Coincidence Window setL will be used for %s menu.' % triggerMenuSetup)
-elif triggerMenuSetup.startswith('Physics_lumi1E34'): # setE (PT=0,6,10,15,20,40) is used for high lumi MC
-    job.LVL1TGCTrigger.VersionCW='setE'
-    print ('TrigT1TGCConfig.py: TGC Coincidence Window setE will be used for %s menu.' % triggerMenuSetup)
-
 if globalflags.DataSource() == 'geant4':
 
     conddb.addFolder("TGC_OFL","/TGC/TRIGGER/CW_EIFI",className='CondAttrListCollection')
diff --git a/Trigger/TrigValidation/TrigP1Test/share/PEBDSTest.py b/Trigger/TrigValidation/TrigP1Test/share/PEBDSTest.py
index c36c81540845ab290177c29368b996652b964b86..491ed1322886d0ec53b6621f7c1abc865ff96823 100644
--- a/Trigger/TrigValidation/TrigP1Test/share/PEBDSTest.py
+++ b/Trigger/TrigValidation/TrigP1Test/share/PEBDSTest.py
@@ -158,7 +158,7 @@ for collectionConfig in TriggerEDMRun3.TriggerHLTListRun3:
 TriggerEDMRun3.TriggerHLTListRun3 = myTriggerHLTListRun3
 
 # Set menu flag and slice options for runHLT_standalone
-ConfigFlags.Trigger.triggerMenuSetup = TriggerFlags.triggerMenuSetup = 'LS2_v1'
+ConfigFlags.Trigger.triggerMenuSetup = 'LS2_v1'
 doEmptyMenu = True
 doEgammaSlice = True
 doMuonSlice = True
diff --git a/Trigger/TriggerCommon/TriggerJobOpts/python/TriggerConfigGetter.py b/Trigger/TriggerCommon/TriggerJobOpts/python/TriggerConfigGetter.py
index 028979f056233c37451a9d7678a7307aa16d8abd..23619669e1450ee226e69135398c6d73123b4c58 100644
--- a/Trigger/TriggerCommon/TriggerJobOpts/python/TriggerConfigGetter.py
+++ b/Trigger/TriggerCommon/TriggerJobOpts/python/TriggerConfigGetter.py
@@ -240,13 +240,6 @@ class TriggerConfigGetter(Configured):
             # non-MT (Run-2) Trigger Configuration
             self.svc = SetupTrigConfigSvc()
 
-            if 'xml' in self.ConfigSrcList:
-                # sets them if plain XML reading is to be used
-                self.svc.l1XmlFile     = TriggerFlags.outputLVL1configFile()    # generated in python
-                # FW, May 2021: setting of HLT XML file removed
-                if TriggerFlags.readLVL1configFromXML():
-                    self.svc.l1XmlFile  = TriggerFlags.inputLVL1configFile() # given XML
-
             try:
                 self.svc.SetStates( self.ConfigSrcList )
             except Exception:
diff --git a/Trigger/TriggerCommon/TriggerJobOpts/python/TriggerFlags.py b/Trigger/TriggerCommon/TriggerJobOpts/python/TriggerFlags.py
index d46ac7a6eadcd83ac38853064a3df1afc907994b..e6123c73b554ff2eef02b014c695bb1a1ec0eb90 100644
--- a/Trigger/TriggerCommon/TriggerJobOpts/python/TriggerFlags.py
+++ b/Trigger/TriggerCommon/TriggerJobOpts/python/TriggerFlags.py
@@ -1,7 +1,5 @@
 # Copyright (C) 2002-2021 CERN for the benefit of the ATLAS collaboration
 
-import re
-
 from AthenaCommon.Logging import logging
 log = logging.getLogger( 'TriggerJobOpts.TriggerFlags' )
 
@@ -69,11 +67,11 @@ _flags.append(doValidationMonitoring)
 
 # trigger configuration source list
 class configurationSourceList(JobProperty):
-    """ define where to read trigger configuration from. Allowed values: ['xml','aod','ds']"""
+    """ define where to read trigger configuration from. Allowed values: ['aod','ds']"""
     statusOn=True
     allowedType=['list']
     StoredValue=[]
-    allowedValues = AllowedList( ['aod','xml','ds'] )
+    allowedValues = AllowedList( ['aod','ds'] )
 
 _flags.append(configurationSourceList)
 
@@ -207,6 +205,11 @@ class triggerConfig(JobProperty):
                 
         log = logging.getLogger( 'TriggerFlags.triggerConfig' )
         log.info("triggerConfig: \""+self.get_Value()+"\"")
+
+        # FW, 09/21: This flag is obsolete but need a bit more cleanup before removing it
+        # to avoid accidentally breaking job options
+        log.warning("The use of TriggerFlags.triggerConfig is deprecated")
+
         # We split the string passed to the flag
         configs = self.get_Value().split(":")
         
@@ -282,15 +285,7 @@ class triggerConfig(JobProperty):
                     log.info("triggerConfig: LVL1 from DB configured with wrong number of keys/arguments" )
 
             else:
-                ### We read config from XML
-                tf.readLVL1configFromXML=True
-                if (configs[1] == 'DEFAULT' or configs[1] == 'default'):
-                    tf.triggerMenuSetup = 'default'
-                else:
-                    tf.triggerMenuSetup = configs[1]
-                log.info("triggerConfig: LVL1 menu from xml (%s)", tf.triggerMenuSetup())
-
-                
+                log.error("Reading the LVL1 menu from XML is no longer supported")
 
         #------
         # MCRECO: Reconstruction of MC
@@ -327,14 +322,7 @@ class triggerConfig(JobProperty):
                 tf.triggerMenuSetup=getMenuNameFromDB(tf.triggerDbConnection(),tf.triggerDbKeys()[2])
                 log.info("triggerConfig: Setting tf.triggerMenuSetup to " + tf.triggerMenuSetup())
             else:
-                ### We read the menu from xml
-                if (configs[-1] == 'DEFAULT' or configs[-1] == 'default'):
-                    tf.triggerMenuSetup = 'default'
-                else:
-                    tf.triggerMenuSetup = configs[-1]
-
-                tf.readLVL1configFromXML=True
-                log.info("triggerConfig: MCRECO menu from xml (%s)", tf.triggerMenuSetup())
+                log.error("Reading the LVL1 menu from XML is no longer supported")
 
             # This part was there in the original (old) csc_reco_trigger.py snippet
             # Still wanted?
@@ -359,36 +347,6 @@ class triggerConfig(JobProperty):
 _flags.append(triggerConfig)
 
 
-
-class readLVL1configFromXML(JobProperty):
-    """ If set to True the LVL1 config file is read from earlier generated XML file """
-    statusOn=True
-    allowedType=['bool']
-    # note: if you change the following default value, you must also change the default value in class inputLVL1configFile
-    # StoredValue=False
-    StoredValue = False
-
-    def _do_action(self):
-        """ setup some consistency """
-        import os
-        log = logging.getLogger( 'TriggerFlags.readLVL1configFromXML' )
-
-        import TriggerMenuMT.LVL1MenuConfig.LVL1.Lvl1Flags  # noqa: F401
-        
-        if self.get_Value() is False:
-            TriggerFlags.inputLVL1configFile = TriggerFlags.outputLVL1configFile()
-            TriggerFlags.Lvl1.items.set_On()
-        else:
-            TriggerFlags.inputLVL1configFile = "TriggerMenuMT/LVL1config_"+_getMenuBaseName(TriggerFlags.triggerMenuSetup())+"_" + TriggerFlags.menuVersion() + ".xml"
-            xmlFile=TriggerFlags.inputLVL1configFile()
-            from TrigConfigSvc.TrigConfigSvcConfig import findFileInXMLPATH
-            if xmlFile!='NONE' and not os.path.exists(findFileInXMLPATH(xmlFile)):
-                log.error("Cannot find LVL1 xml file %s", xmlFile)
-
-            TriggerFlags.Lvl1.items.set_Off()
-
-_flags.append(readLVL1configFromXML)
-
 class triggerDbKeys(JobProperty):
     """ define the keys [Configuration, LVL1Prescale, HLTPrescale, L1BunchGroupSet] in that order!"""
     statusOn=False
@@ -413,182 +371,6 @@ class triggerCoolDbConnection(JobProperty):
 
 _flags.append(triggerCoolDbConnection)
 
-class outputLVL1configFile(JobProperty):
-    """ File name for output LVL1 configuration XML file """
-    statusOn=True
-    StoredValue=""
-
-    def __call__(self):
-        if self.get_Value() == "":
-            return "LVL1config_"+_getMenuBaseName(TriggerFlags.triggerMenuSetup())+"_" + TriggerFlags.menuVersion() + ".xml"
-        else:
-            return self.get_Value()
-        
-_flags.append(outputLVL1configFile)
-
-
-class inputLVL1configFile(JobProperty):
-    """ File name for input LVL1 configuration XML file """
-    statusOn=True
-#    allowedType=['str']
-#   The following default is appropriate when XML cofig is the default
-#    StoredValue="TriggerMenuXML/LVL1config_default_" + TriggerFlags.menuVersion() + ".xml"
-#   The following default is appropriate when python config is the default
-    StoredValue=""
-#    StoredValue = "TriggerMenuXML/LVL1config_default_" + TriggerFlags.menuVersion() + ".xml"
-
-    def __call__(self):
-        if self.get_Value() == "":
-            return "LVL1config_"+_getMenuBaseName(TriggerFlags.triggerMenuSetup())+"_" + TriggerFlags.menuVersion() + ".xml"
-        else:
-            return self.get_Value()
-
-_flags.append(inputLVL1configFile)
-
-# remove prescale suffixes
-def _getMenuBaseName(menuName):
-    m = re.match(r'(.*v\d(?:_primaries)?).*', menuName)
-    if m:
-        menuName = m.groups()[0]
-    return menuName
-
-
-# =================
-#
-# trigger menu flags - menu version, prescale sets
-#
-# =================
-class menuVersion(JobProperty):
-    """ Defines the menu version to use, usually the same as the release number. This is part of the XML file name. """
-    statusOn=True
-    allowedType=['str']
-    
-    from AthenaCommon.AppMgr import release_metadata
-    StoredValue = release_metadata()['release']  # returns '?' if missing
-    
-_flags.append(menuVersion)
-
-
-class triggerMenuSetup(JobProperty):
-    """ Defines the luminosity dependent setup of trigger lumi01 == 10^33, switches on/off signatures """
-    statusOn=True
-    allowedType=['str']
-    allowedValues = [
-        'default', 'cosmic_default', 'InitialBeam_default',
-        # menus for 10^31 with EMScale L1 calib
-        'Physics_lumi1E31_simpleL1Calib','Physics_lumi1E31_simpleL1Calib_no_prescale',
-        'MC_lumi1E31_simpleL1Calib','MC_lumi1E31_simpleL1Calib_no_prescale',
-        'MC_lumi1E31_simpleL1Calib_physics_prescale',
-        # menus for 10^32 with EMScale L1 calib
-        'Physics_lumi1E32_simpleL1Calib','Physics_lumi1E32_simpleL1Calib_no_prescale',
-        'MC_lumi1E32_simpleL1Calib','MC_lumi1E32_simpleL1Calib_no_prescale',
-        'MC_lumi1E32_simpleL1Calib_physics_prescale',
-        # menus for 10^33
-        'Physics_lumi1E33','Physics_lumi1E33_no_prescale',
-        'MC_lumi1E33','MC_lumi1E33_no_prescale',
-        'Physics_lumi1E34','Physics_lumi1E34_no_prescale',
-        'MC_lumi1E34','MC_lumi1E34_no_prescale',
-        #
-        'Cosmics','Cosmic_v1', 'Cosmic2009_v1', 'Cosmic2009_v2', 
-        'InitialBeam_v1', 'MC_InitialBeam_v1', 'MC_InitialBeam_v1_no_prescale',
-        'Cosmic2009_simpleL1Calib', 'Cosmic2009_inclMuons',
-        'enhBias',
-        # for 2010 running
-        'Cosmic_v2','Cosmic_v3',
-        'InitialBeam_v2', 'MC_InitialBeam_v2', 'MC_InitialBeam_v2_no_prescale',
-        'InitialBeam_v3', 'MC_InitialBeam_v3', 'MC_InitialBeam_v3_no_prescale',
-        #for 2010-2011 running
-        'Physics_pp_v1', 'Physics_pp_v1_no_prescale', 'Physics_pp_v1_cosmics_prescale',
-        'MC_pp_v1', 'MC_pp_v1_no_prescale',
-        'MC_pp_v1_tight_mc_prescale', 'MC_pp_v1_loose_mc_prescale',
-        #v2 
-        'Physics_pp_v2', 'Physics_pp_v2_no_prescale', 'Physics_pp_v2_cosmics_prescale', 
-        'MC_pp_v2', 'MC_pp_v2_primary', 'MC_pp_v2_no_prescale', 
-        'MC_pp_v2_tight_mc_prescale', 'MC_pp_v2_loose_mc_prescale',
-        #v3
-        'Physics_pp_v3', 'Physics_pp_v3_no_prescale', 'Physics_pp_v3_cosmics_prescale', 
-        'MC_pp_v3', 'MC_pp_v3_primary', 'MC_pp_v3_no_prescale', 
-        'MC_pp_v3_tight_mc_prescale', 'MC_pp_v3_loose_mc_prescale',
-        #v4
-        'Physics_pp_v4', 'Physics_pp_v4_no_prescale', 'Physics_pp_v4_cosmics_prescale',
-        'MC_pp_v4', 'MC_pp_v4_primary', 'MC_pp_v4_no_prescale',
-        'MC_pp_v4_upgrade_mc_prescale','MC_pp_v4_tight_mc_prescale', 'MC_pp_v4_loose_mc_prescale',
-        # L1 v2 for testing
-        'L1_pp_v2',
-        'L1_pp_v3',
-        'L1_pp_v4',
-        'L1_pp_test',
-        'L1_alfa_v1',
-        'L1_alfa_v2',
-        # for HeavyIon
-        'InitialBeam_HI_v1', 'InitialBeam_HI_v1_no_prescale',
-        'MC_InitialBeam_HI_v1', 'MC_InitialBeam_HI_v1_no_prescale',
-        'Physics_HI_v1', 'Physics_HI_v1_no_prescale',
-        'MC_HI_v1',     'MC_HI_v1_no_prescale', 'MC_HI_v1_pPb_mc_prescale',
-        #
-        'Physics_HI_v2', 'Physics_HI_v2_no_prescale', 
-        'MC_HI_v2',  'MC_HI_v2_no_prescale', 'MC_HI_v2_pPb_mc_prescale',
-        #
-        'Physics_default', 'MC_loose_default', 'MC_tight_default', 'default_loose', 'default_tight',
-        # -----------------------------------------------------------------
-        # Run 2
-        'MC_pp_v5', 'MC_pp_v5_no_prescale', 'MC_pp_v5_tight_mc_prescale', 'MC_pp_v5_loose_mc_prescale','MC_pp_v5_special_mc_prescale', # for development and simulation
-        'Physics_pp_v5', # for testing algorithms and software quality during LS1, later for data taking
-        'Physics_pp_v5_cosmics_prescale',
-        'Physics_pp_v5_tight_physics_prescale', 
-        'LS1_v1', # for P1 detector commissioning (cosmics, streamers)
-        'DC14', 'DC14_no_prescale', 'DC14_tight_mc_prescale', 'DC14_loose_mc_prescale', # for DC14
-        'Physics_HI_v3', 'Physics_HI_v3_no_prescale', # for 2015 lead-lead menu 
-        'MC_HI_v3', 'MC_HI_v3_tight_mc_prescale',
-        'Physics_HI_v4', 'Physics_HI_v4_no_prescale', # for 2016 proton-lead menu 
-        'MC_HI_v4', 'MC_HI_v4_tight_mc_prescale',
-
-        'MC_pp_v6','Physics_pp_v6','MC_pp_v6_no_prescale', 'MC_pp_v6_tight_mc_prescale', 'MC_pp_v6_tightperf_mc_prescale', 'MC_pp_v6_loose_mc_prescale','Physics_pp_v6_tight_physics_prescale',
-        'MC_pp_v7','Physics_pp_v7','Physics_pp_v7_primaries','MC_pp_v7_no_prescale', 'MC_pp_v7_tight_mc_prescale', 'MC_pp_v7_tightperf_mc_prescale', 'MC_pp_v7_loose_mc_prescale','Physics_pp_v7_tight_physics_prescale',
-        # -----------------------------------------------------------------
-        # Run 3 (and preparation for Run-3)
-        'LS2_v1', # for development of AthenaMT
-        'LS2_emu_v1', # emulation test menu for AthenaMT
-        'MC_pp_run3_v1', # MC_pp_run3 for AthenaMT
-        'PhysicsP1_pp_run3_v1', # PhysicsP1_pp_run3 for AthenaMT
-        'Physics_pp_run3_v1', # Physics_pp_run3 for AthenaMT
-        'PhysicsP1_HI_run3_v1',  # PhysicsP1_HI_run3 for AthenaMT
-        'Dev_HI_run3_v1', # Dev_HI_run3 for AthenaMT
-        'MC_pp_v7_TriggerValidation_mc_prescale', # MC trigger simulated in 21.0 but reconstructed in 22.0
-        'MC_pp_v8', 'Physics_pp_v8', 'MC_pp_v8_no_prescale', 'MC_pp_v8_tight_mc_prescale', 'MC_pp_v8_tightperf_mc_prescale', 'MC_pp_v8_loose_mc_prescale','Physics_pp_v8_tight_physics_prescale',
-        'Cosmic_run3_v1',
-        'LS2_v1_Primary_prescale',
-        'LS2_v1_TriggerValidation_prescale',
-        'LS2_v1_BulkMCProd_prescale',
-        'LS2_v1_CPSampleProd_prescale'
-        ]
-
-    _default_menu='Physics_pp_v7_primaries'
-    _default_cosmic_menu='Physics_pp_v5_cosmics_prescale'
-    _default_InitialBeam_menu='MC_InitialBeam_v3_no_prescale'
-    
-    StoredValue = _default_menu
-
-    def _do_action(self):
-        """ setup some consistency """
-
-        # meaning full default menu
-        if self.get_Value() == 'default':
-            self.set_Value(self._default_menu)
-            self._log.info("%s - trigger menu 'default' changed to '%s'", self.__class__.__name__, self.get_Value())
-        elif self.get_Value() == 'cosmic_default':
-            self.set_Value(self._default_cosmic_menu)
-            self._log.info("%s - trigger menu 'cosmic_default' changed to '%s'", self.__class__.__name__, self.get_Value())
-        elif self.get_Value() == 'InitialBeam_default':
-            self.set_Value(self._default_InitialBeam_menu)
-            self._log.info("%s - trigger menu 'InitialBeam_default' changed to '%s'", self.__class__.__name__, self.get_Value())
-
-        # filenames for LVL1 and HLT
-        if TriggerFlags.readLVL1configFromXML() is True:
-            TriggerFlags.inputLVL1configFile = "LVL1config_"+_getMenuBaseName(TriggerFlags.triggerMenuSetup())+"_" + TriggerFlags.menuVersion() + ".xml"
-
-_flags.append(triggerMenuSetup)
-
 
 # the container of all trigger flags
 
diff --git a/Trigger/TriggerCommon/TriggerJobOpts/share/BStoESD_Tier0_HLTConfig_jobOptions.py b/Trigger/TriggerCommon/TriggerJobOpts/share/BStoESD_Tier0_HLTConfig_jobOptions.py
index 8720eae9897d5b4356de200a7422906cd7d9bd01..8f69a71606ef5368b41ee37ee2387dea7a41973f 100644
--- a/Trigger/TriggerCommon/TriggerJobOpts/share/BStoESD_Tier0_HLTConfig_jobOptions.py
+++ b/Trigger/TriggerCommon/TriggerJobOpts/share/BStoESD_Tier0_HLTConfig_jobOptions.py
@@ -62,23 +62,8 @@ if rec.doTrigger():
         from AthenaCommon.Resilience import treatException
         treatException("Could not run TriggerConfigGetter()")
 
-    #---------------------------------------------------------------------------    
-    if tf.configForStartup()=="HLToffline": # HLT is ran offline so cannot read from COOL.
-        if ConfigFlags.Trigger.EDMVersion == 1 or ConfigFlags.Trigger.EDMVersion == 2: # Run 1+2 setup, not needed for Run 3 reco
-            tf.readLVL1configFromXML = True # has to use the .xml file used for reco
-            # You have to set the 2 following files to the .xml files you want.
-            # Here are the default files for reprocessing special case with trigger
-            # FW, May 2021: Setting of HLT XML file removed
-            tf.inputLVL1configFile = "LVL1Menu.xml" # Has to be set correctly
-            tf.inputLVL1configFile.lock() # this is needed to not be overwritten by TrigT1CTMonitoring
-
-    #---------------------------------------------------------------------------    
-    elif tf.configForStartup()=="HLTonline": # need to talk to clients using LVL1ConfigSvc and add new folders into
-        #Just to be sure we use no LVL1 xml file and do not forget any clients
-        tf.inputLVL1configFile = "LVL1configDUMMY.xml"
-        tf.inputLVL1configFile.lock()
-        tf.readLVL1configFromXML=False
-        tf.readLVL1configFromXML.lock()
+    #---------------------------------------------------------------------------
+    if tf.configForStartup()=="HLTonline": # need to talk to clients using LVL1ConfigSvc and add new folders into
 
         # do not need thresholds but are using LVL1ConfigSvc
         if not hasattr(ToolSvc,'RecMuCTPIByteStreamTool'):
diff --git a/Trigger/TriggerCommon/TriggerJobOpts/share/runHLT_standalone.py b/Trigger/TriggerCommon/TriggerJobOpts/share/runHLT_standalone.py
index 3454150cd604a00cf2cd21c625026976beb870a8..c7971f5c7f00c2eb8eced1cd175f29256f14b5a8 100644
--- a/Trigger/TriggerCommon/TriggerJobOpts/share/runHLT_standalone.py
+++ b/Trigger/TriggerCommon/TriggerJobOpts/share/runHLT_standalone.py
@@ -441,9 +441,6 @@ elif ConfigFlags.Input.Format == 'BS' and not ConfigFlags.Trigger.Online.isParti
 # ---------------------------------------------------------------
 if opt.setMenu:
     ConfigFlags.Trigger.triggerMenuSetup = opt.setMenu
-TriggerFlags.triggerMenuSetup = ConfigFlags.Trigger.triggerMenuSetup
-TriggerFlags.readLVL1configFromXML = False
-TriggerFlags.outputLVL1configFile = None
 
 from TrigConfigSvc.TrigConfigSvcCfg import generateL1Menu, createL1PrescalesFileFromMenu
 generateL1Menu(ConfigFlags)
diff --git a/Trigger/TriggerCommon/TriggerMenuMT/CMakeLists.txt b/Trigger/TriggerCommon/TriggerMenuMT/CMakeLists.txt
index f330b284c2724a965522221726798487e2e6c640..a3617d54829700cd47e72ee36d73045542bc6791 100644
--- a/Trigger/TriggerCommon/TriggerMenuMT/CMakeLists.txt
+++ b/Trigger/TriggerCommon/TriggerMenuMT/CMakeLists.txt
@@ -5,7 +5,6 @@ atlas_subdir( TriggerMenuMT )
 
 # Install files from the package:
 atlas_install_python_modules( python/*.py
-                              python/LVL1MenuConfig
                               python/L1
                               python/HLTMenuConfig
                               python/TriggerAPI
diff --git a/Trigger/TriggerCommon/TriggerMenuMT/python/HLTMenuConfig/Menu/DictFromChainName.py b/Trigger/TriggerCommon/TriggerMenuMT/python/HLTMenuConfig/Menu/DictFromChainName.py
index 3b5dfdd8ba1b1163aad09748fe504ac7a62fb032..d384fb408bbc96bd9e00666afd5ce13bcc2fa12f 100755
--- a/Trigger/TriggerCommon/TriggerMenuMT/python/HLTMenuConfig/Menu/DictFromChainName.py
+++ b/Trigger/TriggerCommon/TriggerMenuMT/python/HLTMenuConfig/Menu/DictFromChainName.py
@@ -43,7 +43,7 @@ def getOverallL1item(chainName):
         lvl1name = getL1MenuFileName(ConfigFlags)
         lvl1access = L1MenuAccess(lvl1name)
         itemsDict = lvl1access.items(includeKeys = ['name','ctpid','triggerType'])
-        l1seedlist = getSpecificL1Seeds(l1seed, itemsDict)
+        l1seedlist = getSpecificL1Seeds(l1seed, itemsDict, ConfigFlags.Trigger.triggerMenuSetup)
         return l1seedlist
 
     return l1seed
diff --git a/Trigger/TriggerCommon/TriggerMenuMT/python/HLTMenuConfig/Menu/L1Seeds.py b/Trigger/TriggerCommon/TriggerMenuMT/python/HLTMenuConfig/Menu/L1Seeds.py
index d277fa446b8fe056aabf088987d73fb20bce9847..5da1309a6161eeb98f8c66850a81f7777296b61a 100644
--- a/Trigger/TriggerCommon/TriggerMenuMT/python/HLTMenuConfig/Menu/L1Seeds.py
+++ b/Trigger/TriggerCommon/TriggerMenuMT/python/HLTMenuConfig/Menu/L1Seeds.py
@@ -3,26 +3,14 @@
 from AthenaCommon.Logging import logging
 log = logging.getLogger(__name__)
 
-from TriggerJobOpts.TriggerFlags  import TriggerFlags
-
 #######################################
 # trigger type definitions
 ######################################
-from TriggerMenuMT.LVL1MenuConfig.LVL1.Lvl1Flags import Lvl1Flags
-run1 = Lvl1Flags.CTPVersion()<=3
-
-if run1:
-    from TriggerMenuMT.LVL1MenuConfig.LVL1.TriggerTypeDefRun1 import TT
-    rpcout_type = TT.rpcout | TT.phys
-    rpcin_type  = TT.rpcin  | TT.phys             
-else:
-    from TriggerMenuMT.LVL1MenuConfig.LVL1.TriggerTypeDef import TT
-    rpcout_type = TT.muon   | TT.phys
-    rpcin_type  = TT.muon   | TT.phys             
-
-
-cl_type     = TT.calo      | TT.phys
-mb_type     = TT.minb      | TT.phys
+from TriggerMenuMT.L1.Config.TriggerTypeDef import TT
+rpcout_type = TT.muon | TT.phys
+rpcin_type  = TT.muon | TT.phys
+cl_type     = TT.calo | TT.phys
+mb_type     = TT.minb | TT.phys
 
 
 calo_exceptions = set([])
@@ -52,7 +40,7 @@ def Lvl1ItemByTriggerType(l1object, triggertype_pattern, triggertype_bitmask):
 ##############################
 # define the various seeds
 ##############################
-def getL1BackgroundSeed(menul1items):        
+def getL1BackgroundSeed(menul1items, menu_name):
     l1bgditems = [
         'L1_BCM_AC_CA_BGRP0',
         'L1_BCM_Wide_EMPTY', 'L1_BCM_Wide_UNPAIRED_ISO', 'L1_BCM_Wide_UNPAIRED_NONISO',
@@ -69,7 +57,7 @@ def getL1BackgroundSeed(menul1items):
         'L1_J12_EMPTY', 'L1_J12_BGRP12',
         ]
     
-    if TriggerFlags.triggerMenuSetup() == 'LS1_v1':
+    if menu_name == 'LS1_v1':
         l1bgditems = [
             'L1_BCM_AC_CA_BGRP0','L1_BCM_AC_CA_UNPAIRED_ISO',
             'L1_BCM_Wide_EMPTY','L1_BCM_Wide_UNPAIRED_ISO','L1_BCM_Wide_UNPAIRED_NONISO',
@@ -388,13 +376,13 @@ def getL1LowLumi(l1seed):
 #####################################
 # assigned the seeds to the L1 names
 #####################################
-def getSpecificL1Seeds(l1seedname, l1itemobject):
+def getSpecificL1Seeds(l1seedname, l1itemobject, menu_name):
     l1items = l1itemobject.keys()
     L1Seed = ''
     if l1seedname == 'L1_J':
         L1Seed = getL1JetBS()
     if (l1seedname == 'L1_Bkg'):
-        L1Seed = getL1BackgroundSeed(l1items)
+        L1Seed = getL1BackgroundSeed(l1items, menu_name)
 #    elif (l1seedname == 'L1_ALFA_Diff_Phys' ):
 #        L1Seed = getL1_ALFA_Diff_Phys_Seeds(l1items)
 #    elif (l1seedname == 'L1_ALFA_CDiff_Phys' ):
@@ -485,7 +473,7 @@ def getSpecificL1Seeds(l1seedname, l1itemobject):
 #####################################
 # map from l1item name to inputTE
 #####################################
-def getInputTEfromL1Item(l1item):
+def getInputTEfromL1Item(l1item, menu_name):
     
     L1Map = {
         'L1_TAU8_EMPTY'          : ['HA8'],
@@ -504,7 +492,7 @@ def getInputTEfromL1Item(l1item):
         'L1_TAU100'              : ['HA100'],
         }
 
-    if TriggerFlags.triggerMenuSetup() == 'LS1_v1': 
+    if menu_name == 'LS1_v1':
         L1Map['L1_CALREQ2']=['NIM30']
     else:
         L1Map['L1_CALREQ2']=['CAL2']
diff --git a/Trigger/TriggerCommon/TriggerMenuMT/python/HLTMenuConfig/Menu/MenuPrescaleConfig.py b/Trigger/TriggerCommon/TriggerMenuMT/python/HLTMenuConfig/Menu/MenuPrescaleConfig.py
index d7974ee168fd0380f5f54440ff1d9420fc0330b2..f22afde43ccc39415e400d24fd8c5e7afd3448d6 100755
--- a/Trigger/TriggerCommon/TriggerMenuMT/python/HLTMenuConfig/Menu/MenuPrescaleConfig.py
+++ b/Trigger/TriggerCommon/TriggerMenuMT/python/HLTMenuConfig/Menu/MenuPrescaleConfig.py
@@ -1,4 +1,4 @@
-# Copyright (C) 2002-2020 CERN for the benefit of the ATLAS collaboration
+# Copyright (C) 2002-2021 CERN for the benefit of the ATLAS collaboration
 
 from TriggerJobOpts.TriggerFlags import TriggerFlags
 
@@ -12,7 +12,9 @@ def MenuPrescaleConfig(triggerConfigHLT):
     HLTPrescales = {}
     Prescales = PrescaleClass()
 
-    menu_name = TriggerFlags.triggerMenuSetup()
+    from AthenaConfiguration.AllConfigFlags import ConfigFlags
+    menu_name = ConfigFlags.Trigger.triggerMenuSetup
+
     ## Do some aliasing here
     if menu_name == 'Physics_default': 
         menu_name = 'LS2_v1'
diff --git a/Trigger/TriggerCommon/TriggerMenuMT/python/HLTMenuConfig/Menu/MenuUtil.py b/Trigger/TriggerCommon/TriggerMenuMT/python/HLTMenuConfig/Menu/MenuUtil.py
deleted file mode 100755
index cc7a4f23d06891a72352b97568bd9add35986184..0000000000000000000000000000000000000000
--- a/Trigger/TriggerCommon/TriggerMenuMT/python/HLTMenuConfig/Menu/MenuUtil.py
+++ /dev/null
@@ -1,134 +0,0 @@
-# Copyright (C) 2002-2020 CERN for the benefit of the ATLAS collaboration
-
-from TriggerJobOpts.TriggerFlags import TriggerFlags
-from AthenaCommon.Logging import logging
-log = logging.getLogger(__name__)
-
-def checkGroups(triggerPythonConfig):
-    """ Make sure the groups used in Physics and MC menu exists
-    """
-    menu_name = TriggerFlags.triggerMenuSetup()
-    log.info("Menu: %s", menu_name)
-    
-    from TriggerMenuMT.HLTMenuConfig.Menu.GroupInfo       import getAllAllowedGroups
-    allgroup=getAllAllowedGroups(menu_name)
-
-    for chain in triggerPythonConfig.theHLTChains:
-        if len(chain.groups) == 0:
-            log.error( "group undefined for chain: %s", chain.chain_name )
-        for i in chain.groups:
-            if 'BW' in i:
-                if i.split('BW:')[1] not in allgroup:
-                    log.error( "BW Group %d for chain %s not allowed.", i, chain.chain_name)
-
-                  
-        
-def checkTriggerGroupAssignment(triggerPythonConfig):
-    """ Checks menu consistency
-
-    Checks trigger-groups assignment in Physics_ and MC_ menus.
-    Excludes those chains which either have no group assigned or have a wrong group attached in Physics_
-    which allows only primary, supporting and calibration triggers. 
-    """
-    menu_name = TriggerFlags.triggerMenuSetup()
-    log.info("Menu: %s", menu_name)
-    GroupItems = []
-    CheckGroups=False
-
-    if menu_name.startswith('Physics_lumi'):
-        CheckGroups=True
-        GroupItems = ['Primary', 'Supporting', 'Calibration', 'Monitoring']
-    elif menu_name.startswith('MC_lumi'):
-        CheckGroups=True
-        GroupItems = ['Primary', 'Supporting', 'Calibration', 'Monitoring', 'Backup', 'Commissioning', 'Test']
-
-    for chain in triggerPythonConfig.theL2HLTChains + triggerPythonConfig.theEFHLTChains:
-        if len(chain.groups) == 0:
-            log.error( "IN CHAIN: GROUP undefined for chain: %s", chain.chain_name )
-        else:
-            GroupAssigned=False
-            
-            for group in GroupItems:
-                if group in chain.groups:
-                    GroupAssigned=True
-            if GroupAssigned is False and CheckGroups is True:
-                log.warning( "IN CHAIN: GROUP (primary, supporting, ... etc) undefined for chain: %s", chain.chain_name )
-
-#def checkStreamConsistency(triggerPythonConfig,streamConfig):
-def checkStreamConsistency(triggerPythonConfig):
-    """ Checks streamer consistency
-    Checks that all chains are assigned to existing streams
-    """
-    menu_name = TriggerFlags.triggerMenuSetup()
-    log.info("Menu: %s", menu_name)
-
-    from TriggerMenuMT.HLTMenuConfig.Menu.StreamInfo       import getAllStreams
-
-    allStreams = getAllStreams()
-
-    ##Check that all the streams associated to the chains exists
-    ##Chech that there is no duplication of ROB_ID for the ds streams used in a specific menu
-    already_used_robs={}
-    for chain in triggerPythonConfig.theHLTChains:
-        if len(chain.stream_tag) == 0:
-            log.error( "IN CHAIN: STREAMTAG undefined for chain: %s", chain.chain_name )
-        else:
-            for stream in chain.stream_tag:
-                if stream[0] not in allStreams:
-                    log.error('Chain: %s has the wrong streamer %s', chain.chain_name, stream[0])
-                else:
-                    ##check data scouting streaming name
-                    if "DataScouting" in stream[0]:
-                        rob_id= stream[0].split("_")[1]                        
-                        if rob_id  in already_used_robs and stream[0] is not already_used_robs[rob_id]:
-                            log.error("Duplicated ROB in stream %s (ROB number %s already used in stream %s)",
-                                      stream[0], stream[0].split("_")[1],
-                                      already_used_robs[stream[0].split("_")[1]])
-                            already_used_robs[rob_id]=stream[0]
-                        else:                 
-                            already_used_robs[rob_id]=stream[0] 
-
-    
-    ##Chech that there is no duplication of ROB_ID for the ds streams defined in the all TM
-    already_used_robs={}
-    for stream in allStreams:
-        if "DataScouting" in stream:
-            rob_id= stream.split("_")[1]                        
-            if rob_id  in already_used_robs:
-                log.error("Duplicated ROB in stream %s (ROB number %s already used in stream %s)",
-                          stream, rob_id, already_used_robs[rob_id])
-                already_used_robs[rob_id]=stream
-            else:
-                already_used_robs[rob_id]=stream
-                
-
-def allSignatures():
-    sigs = []
-    slices = (
-        TriggerFlags.MuonSlice,
-        TriggerFlags.JetSlice,
-        TriggerFlags.METSlice,
-        TriggerFlags.TauSlice,
-        TriggerFlags.EgammaSlice,
-        TriggerFlags.MinBiasSlice,
-        TriggerFlags.CombinedSlice,
-        )
-    for a in slices:
-        if a.signatures.statusOn: 
-            sigs += a.signatures()
-    return sigs
-
-
-def findL1TT(chain, triggerPythonConfig):
-    l2_chain = chain
-    if chain.level == 'EF':
-        l2_chain_name = chain.lower_chain_name
-        l2_chain = triggerPythonConfig.getHLTChain(l2_chain_name)
-    if l2_chain is None:
-        return -2
-    l1_item_name = l2_chain.lower_chain_name
-    l1_item = triggerPythonConfig.getLvl1Item(l1_item_name)
-    if l1_item is None:
-        return -1
-    return l1_item.trigger_type
-
diff --git a/Trigger/TriggerCommon/TriggerMenuMT/python/L1/Base/L1Menu.py b/Trigger/TriggerCommon/TriggerMenuMT/python/L1/Base/L1Menu.py
index 8b1809ef7a4e9a44a47cfaf9779cfad94f53f7ac..8092e21114079add11569fc75fe4559e0c6ef8bb 100644
--- a/Trigger/TriggerCommon/TriggerMenuMT/python/L1/Base/L1Menu.py
+++ b/Trigger/TriggerCommon/TriggerMenuMT/python/L1/Base/L1Menu.py
@@ -8,6 +8,7 @@ from .Boards import MenuBoardsCollection
 from .Connectors import MenuConnectorsCollection
 from .MenuUtils import get_smk_psk_Name
 from .Limits import Limits
+from .L1MenuFlags import L1MenuFlags
 
 from collections import OrderedDict as odict
 from AthenaCommon.Logging import logging
@@ -46,8 +47,7 @@ class L1Menu(object):
 
     @staticmethod
     def partitioning():
-        from Lvl1Flags import Lvl1Flags
-        first = Lvl1Flags.MenuPartitioning()
+        first = L1MenuFlags.MenuPartitioning()
         last = first[1:] + [ Limits.MaxTrigItems ]
         partitioning = dict( zip([1,2,3],zip(first,last)) )
         return partitioning
diff --git a/Trigger/TriggerCommon/TriggerMenuMT/python/LVL1MenuConfig/LVL1/Limits.py b/Trigger/TriggerCommon/TriggerMenuMT/python/LVL1MenuConfig/LVL1/Limits.py
deleted file mode 100644
index f376c5096647980ba18327902348cf2998a96001..0000000000000000000000000000000000000000
--- a/Trigger/TriggerCommon/TriggerMenuMT/python/LVL1MenuConfig/LVL1/Limits.py
+++ /dev/null
@@ -1,81 +0,0 @@
-# Copyright (C) 2002-2020 CERN for the benefit of the ATLAS collaboration
-
-"""
-This temporarily holds CTP sizes
-"""
-
-from AthenaCommon.Logging import logging
-log = logging.getLogger(__name__)
-
-class Access(type):
-    """Metaclass to implement __getattr__ for class variables"""
-    def __getattr__(cls, key):
-        if cls.ctpDataFormat is None:
-            raise RuntimeError("CTP version has not been set, you need to call Limits.setLimits(ctpversion) before you can use the limits")
-
-        if hasattr(cls.ctpDataFormat, key):
-            return getattr( cls.ctpDataFormat, key)
-        elif hasattr(cls.l1common, key):
-            return getattr( cls.l1common, key)
-        else:
-            raise AttributeError("Neither class 'CTPdataformat' nor class 'L1Common' have an attribute '%s'" % key)
-    
-    def __str__(cls):
-        if cls.ctpDataFormat is None:
-            return "None"
-
-        s = "CTP DataFormat version %i\n" % cls.CTPVersion
-        varnames = ['MaxTrigItems', 'NumBunchgroups', 'NumRndmTriggers']
-        for varname in varnames:
-            s += "     %s = %r\n" % (varname, getattr( cls.ctpDataFormat, varname)) 
-        s += "L1Common version %i\n" % cls.L1CommonVersion
-        varnames = ['MUON_bitnum','EM_bitnum', 'TAU_bitnum', 'JET_bitnum', 'JE_bitnum', 'JB_bitnum', 'JF_bitnum', 'TE_bitnum', 'XE_bitnum', 'XS_bitnum',
-                    'MBTS_bitnum', 'MBTSSI_bitnum', 'NIM_bitnum', 'ZDC_bitnum', 'TRT_bitnum', 'BCM_bitnum', 'BCMCMB_bitnum', 'LUCID_bitnum', 'CALREQ_bitnum',
-                    'MUON_cable', 'EM_cable', 'TAU_cable', 'JET_cable', 'JE_cable', 'JB_cable', 'JF_cable', 'TE_cable', 'XE_cable', 'XS_cable', 'MBTS_cable', 
-                    'MBTSSI_cable', 'NIM_cable', 'ZDC_cable', 'TRT_cable', 'BCM_cable', 'BCMCMB_cable', 'LUCID_cable', 'CALREQ_cable']
-        for varname in varnames:
-            s += "     %s = %r\n" % (varname, getattr( cls.l1common, varname)) 
-        return s
-
-
-
-class Limits(object, metaclass=Access):
-
-    CTPVersion      = None
-    L1CommonVersion = None
-
-    ctpDataFormat = None
-    l1common      = None
-
-    @staticmethod
-    def getCTPdataformat(version):
-        module = __import__('CTPfragment.CTPdataformat_v%i' % version, globals(), locals(), ['CTPdataformat_v%i' % version], 0)
-        return getattr(module, "CTPdataformat_v%i" % version)
-
-    @staticmethod
-    def getL1Common(version):
-        module = __import__('L1Common.L1Common_v%i' % version, globals(), locals(), ['L1Common_v%i' % version], 0)
-        return getattr(module, "L1Common_v%i" % version)
-
-    @staticmethod
-    def setLimits(CTPVersion, verbose = False):
-        Limits.CTPVersion = CTPVersion
-        Limits.L1CommonVersion = 0 if CTPVersion <= 3 else 1
-        #print "Setting limits for CTP version %i and L1Common Version %i" % (Limits.CTPVersion, Limits.L1CommonVersion)
-        Limits.ctpDataFormat = Limits.getCTPdataformat( Limits.CTPVersion )
-        Limits.l1common = Limits.getL1Common( Limits.L1CommonVersion )
-        if verbose:
-            log.debug(Limits)
-
-    
-
-
-class CaloLimits(object):
-    # Maximum values for calo thresholds to disable that threshold
-    ClusterOff   = 255
-    IsolationOff = 63
-    JetOff       = 1023
-    EtSumOff     = 32767
-    EtMissOff    = 32767 
-    JetEtOff     = 13286
-
diff --git a/Trigger/TriggerCommon/TriggerMenuMT/python/LVL1MenuConfig/LVL1/Lvl1Flags.py b/Trigger/TriggerCommon/TriggerMenuMT/python/LVL1MenuConfig/LVL1/Lvl1Flags.py
deleted file mode 100644
index b2fcfb01748768a06138d7e2b2be22fa95e9fa03..0000000000000000000000000000000000000000
--- a/Trigger/TriggerCommon/TriggerMenuMT/python/LVL1MenuConfig/LVL1/Lvl1Flags.py
+++ /dev/null
@@ -1,145 +0,0 @@
-# Copyright (C) 2002-2020 CERN for the benefit of the ATLAS collaboration
-
-"""
-Lvl1 specific flags
-"""
-
-from AthenaCommon.JobProperties import JobProperty, JobPropertyContainer
-from AthenaCommon.Logging import logging
-from .Limits import Limits
-
-__author__  = 'J.Stelzer'
-__doc__="Level 1 specific flags for Run 2"
-
-log = logging.getLogger(__name__)
-
-_flags = [] 
-class CTPVersion(JobProperty):
-    """Version of the CTP configuration"""
-
-    statusOn = True
-    allowedTypes = [int]
-    allowedValues = [0,1,2,3,4,5]
-    StoredValue = 4
-    
-    Limits.setLimits(3)
-
-    def _do_action(self):
-        """Load the limits"""
-        from .Limits import Limits
-        Limits.setLimits(self.get_Value())
-
-
-_flags.append(CTPVersion)
-
-class items(JobProperty):
-    """Names of items enabled in the selected L1 menu"""
-    statusOn=True
-    allowedTypes=['list']
-    StoredValue=[]
-
-_flags.append(items)
-
-class thresholds(JobProperty):
-    """Names of thresholds enabled in selected L1 menu """
-    statusOn=True
-    allowedTypes=['list']
-    StoredValue   = []
-
-_flags.append(thresholds)
-
-class prescales(JobProperty):
-    """Maps prescales to items that are different from 1"""
-    statusOn=True
-    allowedTypes=['dict']
-    StoredValue   = {}
-
-_flags.append(prescales)
-
-class RemapThresholdsAsListed(JobProperty):
-    statusOn = True
-    allowedTypes = ['bool']
-    StoredValue = False
-
-_flags.append(RemapThresholdsAsListed)
-
-class CtpIdMap(JobProperty):
-    statusOn = True
-    allowedTypes = ['dict']
-    StoredValue = {}
-
-_flags.append(CtpIdMap)
-
-class BunchGroupPartitioning(JobProperty):
-    statusOn = True
-    allowedTypes = ['list']
-    StoredValue = []
-
-_flags.append(BunchGroupPartitioning)
-
-class BunchGroupNames(JobProperty):
-    statusOn = True
-    allowedTypes = ['list']
-    StoredValue = []
-
-_flags.append(BunchGroupNames)
-
-class MenuPartitioning(JobProperty):
-    statusOn = True
-    allowedTypes = ['list']
-    StoredValue = []
-
-_flags.append(MenuPartitioning)
-
-class OldStylePrescales(JobProperty):
-    statusOn = True
-    allowedTypes = ['bool']
-    StoredValue = False
-
-class ThresholdMap(JobProperty):
-    statusOn = True
-    allowedTypes = ['dict']
-    StoredValue = {}
-
-_flags.append(ThresholdMap)
-
-
-class ItemMap(JobProperty):
-    statusOn = True
-    allowedTypes = ['dict']
-    StoredValue = {}
-
-_flags.append(ItemMap)
-
-
-
-_flags.append(OldStylePrescales)
-
-
-
-class Lvl1(JobPropertyContainer):
-    """ Lvl1 flags used in menu generation """
-
-
-
-
-# execute
-
-from TriggerJobOpts.TriggerFlags import TriggerFlags
-TriggerFlags.add_Container(Lvl1)
-
-for flag in _flags:
-    TriggerFlags.Lvl1.add_JobProperty(flag)
-del _flags
-
-
-
-# make an alias
-Lvl1Flags = TriggerFlags.Lvl1
-
-
-
-#  LocalWords:  AllowedList
-
-
-            
diff --git a/Trigger/TriggerCommon/TriggerMenuMT/python/LVL1MenuConfig/LVL1/TriggerTypeDef.py b/Trigger/TriggerCommon/TriggerMenuMT/python/LVL1MenuConfig/LVL1/TriggerTypeDef.py
deleted file mode 100644
index 5262d14f27746040d25d6a104143574d4370ee5d..0000000000000000000000000000000000000000
--- a/Trigger/TriggerCommon/TriggerMenuMT/python/LVL1MenuConfig/LVL1/TriggerTypeDef.py
+++ /dev/null
@@ -1,22 +0,0 @@
-# Copyright (C) 2002-2019 CERN for the benefit of the ATLAS collaboration
-
-class TT(object):
-    """
-    Trigger type logic
-    should also match StreamingDef.py definitions
-    """
-    rand        = 1 << 0
-    zerobs      = 1 << 1  # trigger type for zero bias triggers
-    calo        = 1 << 2        
-    muon        = 1 << 3
-    lardemo     = 1 << 4
-    ftk = minb  = 1 << 5  # min-bias TT is needed for TM internal use (L1Seeds.py) 
-    nim = alfa  = 1 << 6
-    phys        = 1 << 7
-
-    # Calibration requests
-    #  From David B - for calibration events TriggerType
-    #  will be reset by CTP - values below are placeholders
-    calreq0 = 0x30
-    calreq1 = 0x32
-    calreq2 = 0x34
diff --git a/Trigger/TriggerCommon/TriggerMenuMT/python/LVL1MenuConfig/LVL1/TriggerTypeDefRun1.py b/Trigger/TriggerCommon/TriggerMenuMT/python/LVL1MenuConfig/LVL1/TriggerTypeDefRun1.py
deleted file mode 100644
index ef07604c0ab2e19a3d669b4306db6e355cb85360..0000000000000000000000000000000000000000
--- a/Trigger/TriggerCommon/TriggerMenuMT/python/LVL1MenuConfig/LVL1/TriggerTypeDefRun1.py
+++ /dev/null
@@ -1,41 +0,0 @@
-# Copyright (C) 2002-2018 CERN for the benefit of the ATLAS collaboration
-
-
-from TriggerJobOpts.TriggerFlags import TriggerFlags as TF
-
-class TT:
-    """
-    Trigger type logic
-    should also match StreamingDef.py definitions
-    """
-    rand        = 1 << 0
-    zerobs      = 1 << 1  # trigger type for zero bias triggers
-    calo        = 1 << 2        
-    rpcin = tgc = 1 << 3  # Assign TGC to RPCIN to free one bit for new and CALOEM trigger type
-    caloem      = 1 << 4  # to stream separately
-    minb        = 1 << 5
-    rpcout      = 1 << 6
-    phys        = 1 << 7
-
-    # Calibration requests
-    #  From David B - for calibration events TriggerType
-    #  will be reset by CTP - values below are placeholders
-    calreq0 = 0x30
-    calreq1 = 0x32
-    calreq2 = 0x34
-
-    if any([ x in TF.triggerMenuSetup() for x in
-             [ 'InitialBeam_HI',
-               'Cosmic_v3',
-               'L1_pp',
-               'L1_alfa',
-               'MC_pp',
-               'MC_HI',
-               'MC_loose',
-               'MC_tight',
-               'Physics_pp',
-               'Physics_default',
-               'Physics_HI',
-               ]]):
-        caloem = 0
-
diff --git a/Trigger/TriggerCommon/TriggerMenuMT/python/LVL1MenuConfig/LVL1/__init__.py b/Trigger/TriggerCommon/TriggerMenuMT/python/LVL1MenuConfig/LVL1/__init__.py
deleted file mode 100644
index d0cb751d0f336e3ac36673d3352ecaed8478e92f..0000000000000000000000000000000000000000
--- a/Trigger/TriggerCommon/TriggerMenuMT/python/LVL1MenuConfig/LVL1/__init__.py
+++ /dev/null
@@ -1 +0,0 @@
-#Copyright (C) 2002-2018 CERN for the benefit of the ATLAS collaboration
diff --git a/Trigger/TriggerCommon/TriggerMenuMT/python/LVL1MenuConfig/__init__.py b/Trigger/TriggerCommon/TriggerMenuMT/python/LVL1MenuConfig/__init__.py
deleted file mode 100644
index 139597f9cb07c5d48bed18984ec4747f4b4f3438..0000000000000000000000000000000000000000
--- a/Trigger/TriggerCommon/TriggerMenuMT/python/LVL1MenuConfig/__init__.py
+++ /dev/null
@@ -1,2 +0,0 @@
-
-
diff --git a/Trigger/TriggerCommon/TriggerMenuMT/python/TriggerAPI/TriggerDataAccess.py b/Trigger/TriggerCommon/TriggerMenuMT/python/TriggerAPI/TriggerDataAccess.py
index a38a4baca02e2f556ef95d8383b46b183baa6125..15f12b631bccf7dc5a444179956f3533df222efd 100644
--- a/Trigger/TriggerCommon/TriggerMenuMT/python/TriggerAPI/TriggerDataAccess.py
+++ b/Trigger/TriggerCommon/TriggerMenuMT/python/TriggerAPI/TriggerDataAccess.py
@@ -302,11 +302,7 @@ def getHLTmap_fromTM(period, release):
     menu = "Physics_pp_run3_v1"
     
     from AthenaConfiguration.AllConfigFlags import ConfigFlags
-    from TriggerJobOpts.TriggerFlags import TriggerFlags
-    TriggerFlags.triggerMenuSetup = menu
-    TriggerFlags.readLVL1configFromXML = False
-    TriggerFlags.outputLVL1configFile = None
-    
+
     mutelog = logging.getLogger(__name__)
     mutelog.setLevel(logging.WARNING) #avoid spam from Menu.L1.L1MenuConfig