diff --git a/Trigger/TrigValidation/TrigAnalysisTest/share/ref_RDOtoRDOTrig_v1Dev_build.ref b/Trigger/TrigValidation/TrigAnalysisTest/share/ref_RDOtoRDOTrig_v1Dev_build.ref
index 7f6e353af4fc61601840c1265c0b84e3ac938383..9f696a76f78622be154a4e86273e7ddb0551a289 100644
--- a/Trigger/TrigValidation/TrigAnalysisTest/share/ref_RDOtoRDOTrig_v1Dev_build.ref
+++ b/Trigger/TrigValidation/TrigAnalysisTest/share/ref_RDOtoRDOTrig_v1Dev_build.ref
@@ -100,9 +100,6 @@ TrigSignatureMoniMT                                 INFO -- #4008168535 Features
 TrigSignatureMoniMT                                 INFO HLT_2mu4_muonqual_L12MU4 #1584776935
 TrigSignatureMoniMT                                 INFO -- #1584776935 Events         4          4          0          0          0          0          3          3          2          2          -          -          -          -          -          2
 TrigSignatureMoniMT                                 INFO -- #1584776935 Features                             0          0          0          0          12         12         8          8          -          -          -          -          -
-TrigSignatureMoniMT                                 INFO HLT_2mu6Comb_L12MU6 #2046267508
-TrigSignatureMoniMT                                 INFO -- #2046267508 Events         4          4          0          0          0          0          3          2          -          -          -          -          -          -          -          2
-TrigSignatureMoniMT                                 INFO -- #2046267508 Features                             0          0          0          0          12         8          -          -          -          -          -          -          -
 TrigSignatureMoniMT                                 INFO HLT_2mu6_10invm70_L1MU6 #1316992871
 TrigSignatureMoniMT                                 INFO -- #1316992871 Events         10         10         0          0          0          0          3          2          2          2          -          -          -          -          -          2
 TrigSignatureMoniMT                                 INFO -- #1316992871 Features                             0          0          0          0          12         8          8          8          -          -          -          -          -
@@ -604,9 +601,6 @@ TrigSignatureMoniMT                                 INFO -- #1696906927 Features
 TrigSignatureMoniMT                                 INFO HLT_mu20_2mu4noL1_L1MU20 #1029128679
 TrigSignatureMoniMT                                 INFO -- #1029128679 Events         8          8          0          0          0          0          8          5          5          5          0          0          0          1          1          1
 TrigSignatureMoniMT                                 INFO -- #1029128679 Features                             0          0          0          0          10         6          6          6          0          0          0          2          2
-TrigSignatureMoniMT                                 INFO HLT_mu20_ivar_L1MU6 #2083734526
-TrigSignatureMoniMT                                 INFO -- #2083734526 Events         10         10         0          0          0          0          10         6          5          -          -          -          -          -          -          5
-TrigSignatureMoniMT                                 INFO -- #2083734526 Features                             0          0          0          0          13         7          5          -          -          -          -          -          -
 TrigSignatureMoniMT                                 INFO HLT_mu20_ivarmedium_mu8noL1_L1MU20 #3249386942
 TrigSignatureMoniMT                                 INFO -- #3249386942 Events         8          8          0          0          0          0          8          5          5          5          3          0          0          1          1          1
 TrigSignatureMoniMT                                 INFO -- #3249386942 Features                             0          0          0          0          10         6          6          6          3          0          0          1          1
@@ -667,9 +661,6 @@ TrigSignatureMoniMT                                 INFO -- #1642591450 Features
 TrigSignatureMoniMT                                 INFO HLT_mu60_L1MU20 #2871837722
 TrigSignatureMoniMT                                 INFO -- #2871837722 Events         8          8          0          0          0          0          8          5          1          1          -          -          -          -          -          1
 TrigSignatureMoniMT                                 INFO -- #2871837722 Features                             0          0          0          0          10         6          1          1          -          -          -          -          -
-TrigSignatureMoniMT                                 INFO HLT_mu6Comb_L1MU6 #996392590
-TrigSignatureMoniMT                                 INFO -- #996392590 Events          10         10         0          0          0          0          10         10         -          -          -          -          -          -          -          10
-TrigSignatureMoniMT                                 INFO -- #996392590 Features                              0          0          0          0          13         12         -          -          -          -          -          -          -
 TrigSignatureMoniMT                                 INFO HLT_mu6_L1MU6 #2560542253
 TrigSignatureMoniMT                                 INFO -- #2560542253 Events         10         10         0          0          0          0          10         10         10         10         -          -          -          -          -          10
 TrigSignatureMoniMT                                 INFO -- #2560542253 Features                             0          0          0          0          13         12         13         13         -          -          -          -          -
@@ -679,6 +670,9 @@ TrigSignatureMoniMT                                 INFO -- #934918532 Features
 TrigSignatureMoniMT                                 INFO HLT_mu6_ivarmedium_L1MU6 #1012713062
 TrigSignatureMoniMT                                 INFO -- #1012713062 Events         10         10         0          0          0          0          10         10         10         10         6          -          -          -          -          6
 TrigSignatureMoniMT                                 INFO -- #1012713062 Features                             0          0          0          0          13         12         13         13         6          -          -          -          -
+TrigSignatureMoniMT                                 INFO HLT_mu6_j45_nojcalib_L1J20 #2114129685
+TrigSignatureMoniMT                                 INFO -- #2114129685 Events         19         19         0          0          0          0          0          0          0          0          0          0          -          -          -          0
+TrigSignatureMoniMT                                 INFO -- #2114129685 Features                             0          0          0          0          0          0          0          0          0          0          -          -          -
 TrigSignatureMoniMT                                 INFO HLT_mu6_msonly_L1MU6 #3895421032
 TrigSignatureMoniMT                                 INFO -- #3895421032 Events         10         10         0          0          0          0          10         0          10         -          -          -          -          -          -          10
 TrigSignatureMoniMT                                 INFO -- #3895421032 Features                             0          0          0          0          13         0          13         -          -          -          -          -          -
@@ -688,15 +682,9 @@ TrigSignatureMoniMT                                 INFO -- #1713982776 Features
 TrigSignatureMoniMT                                 INFO HLT_mu6_mu6noL1_L1MU6 #451489897
 TrigSignatureMoniMT                                 INFO -- #451489897 Events          10         10         0          0          0          0          10         10         10         10         0          0          0          5          4          4
 TrigSignatureMoniMT                                 INFO -- #451489897 Features                              0          0          0          0          13         12         13         13         0          0          0          7          6
-TrigSignatureMoniMT                                 INFO HLT_mu6fast_L1MU6 #3518031697
-TrigSignatureMoniMT                                 INFO -- #3518031697 Events         10         10         0          0          0          0          10         -          -          -          -          -          -          -          -          10
-TrigSignatureMoniMT                                 INFO -- #3518031697 Features                             0          0          0          0          13         -          -          -          -          -          -          -          -
-TrigSignatureMoniMT                                 INFO HLT_mu6fast_j45_nojcalib_L1J20 #1776326110
-TrigSignatureMoniMT                                 INFO -- #1776326110 Events         19         19         0          0          0          0          0          0          0          0          0          0          -          -          -          0
-TrigSignatureMoniMT                                 INFO -- #1776326110 Features                             0          0          0          0          0          0          0          0          0          0          -          -          -
-TrigSignatureMoniMT                                 INFO HLT_mu6fast_xe30_mht_L1XE10 #1876869651
-TrigSignatureMoniMT                                 INFO -- #1876869651 Events         19         19         0          0          0          0          0          0          0          0          0          0          -          -          -          0
-TrigSignatureMoniMT                                 INFO -- #1876869651 Features                             0          0          0          0          0          0          0          0          0          0          -          -          -
+TrigSignatureMoniMT                                 INFO HLT_mu6_xe30_mht_L1XE10 #3192713675
+TrigSignatureMoniMT                                 INFO -- #3192713675 Events         19         19         0          0          0          0          0          0          0          0          0          0          -          -          -          0
+TrigSignatureMoniMT                                 INFO -- #3192713675 Features                             0          0          0          0          0          0          0          0          0          0          -          -          -
 TrigSignatureMoniMT                                 INFO HLT_mu80_L1MU20 #387900377
 TrigSignatureMoniMT                                 INFO -- #387900377 Events          8          8          0          0          0          0          8          5          1          0          -          -          -          -          -          0
 TrigSignatureMoniMT                                 INFO -- #387900377 Features                              0          0          0          0          10         6          1          0          -          -          -          -          -
diff --git a/Trigger/TrigValidation/TriggerTest/share/ref_data_v1Dev_build.ref b/Trigger/TrigValidation/TriggerTest/share/ref_data_v1Dev_build.ref
index 350b5c69ca71dd75baa29c3cb785e24ee98e8a29..07a4688ebb490d9e3eebe80697a54d8e3fe6ae43 100644
--- a/Trigger/TrigValidation/TriggerTest/share/ref_data_v1Dev_build.ref
+++ b/Trigger/TrigValidation/TriggerTest/share/ref_data_v1Dev_build.ref
@@ -100,9 +100,6 @@ TrigSignatureMoniMT                                 INFO -- #4008168535 Features
 TrigSignatureMoniMT                                 INFO HLT_2mu4_muonqual_L12MU4 #1584776935
 TrigSignatureMoniMT                                 INFO -- #1584776935 Events         20         20         0          0          0          0          1          0          0          0          -          -          -          -          -          0          
 TrigSignatureMoniMT                                 INFO -- #1584776935 Features                             0          0          0          0          4          0          0          0          -          -          -          -          -          
-TrigSignatureMoniMT                                 INFO HLT_2mu6Comb_L12MU6 #2046267508
-TrigSignatureMoniMT                                 INFO -- #2046267508 Events         20         20         0          0          0          0          0          0          -          -          -          -          -          -          -          0          
-TrigSignatureMoniMT                                 INFO -- #2046267508 Features                             0          0          0          0          0          0          -          -          -          -          -          -          -          
 TrigSignatureMoniMT                                 INFO HLT_2mu6_10invm70_L1MU6 #1316992871
 TrigSignatureMoniMT                                 INFO -- #1316992871 Events         20         20         0          0          0          0          0          0          0          0          -          -          -          -          -          0          
 TrigSignatureMoniMT                                 INFO -- #1316992871 Features                             0          0          0          0          0          0          0          0          -          -          -          -          -          
@@ -604,9 +601,6 @@ TrigSignatureMoniMT                                 INFO -- #1696906927 Features
 TrigSignatureMoniMT                                 INFO HLT_mu20_2mu4noL1_L1MU20 #1029128679
 TrigSignatureMoniMT                                 INFO -- #1029128679 Events         20         20         0          0          0          0          1          1          0          0          0          0          0          0          0          0          
 TrigSignatureMoniMT                                 INFO -- #1029128679 Features                             0          0          0          0          1          1          0          0          0          0          0          0          0          
-TrigSignatureMoniMT                                 INFO HLT_mu20_ivar_L1MU6 #2083734526
-TrigSignatureMoniMT                                 INFO -- #2083734526 Events         20         20         0          0          0          0          1          1          1          -          -          -          -          -          -          1          
-TrigSignatureMoniMT                                 INFO -- #2083734526 Features                             0          0          0          0          1          1          1          -          -          -          -          -          -          
 TrigSignatureMoniMT                                 INFO HLT_mu20_ivarmedium_mu8noL1_L1MU20 #3249386942
 TrigSignatureMoniMT                                 INFO -- #3249386942 Events         20         20         0          0          0          0          1          1          0          0          0          0          0          0          0          0          
 TrigSignatureMoniMT                                 INFO -- #3249386942 Features                             0          0          0          0          1          1          0          0          0          0          0          0          0          
@@ -667,9 +661,6 @@ TrigSignatureMoniMT                                 INFO -- #1642591450 Features
 TrigSignatureMoniMT                                 INFO HLT_mu60_L1MU20 #2871837722
 TrigSignatureMoniMT                                 INFO -- #2871837722 Events         20         20         0          0          0          0          1          1          0          0          -          -          -          -          -          0          
 TrigSignatureMoniMT                                 INFO -- #2871837722 Features                             0          0          0          0          1          1          0          0          -          -          -          -          -          
-TrigSignatureMoniMT                                 INFO HLT_mu6Comb_L1MU6 #996392590
-TrigSignatureMoniMT                                 INFO -- #996392590 Events          20         20         0          0          0          0          1          1          -          -          -          -          -          -          -          1          
-TrigSignatureMoniMT                                 INFO -- #996392590 Features                              0          0          0          0          1          1          -          -          -          -          -          -          -          
 TrigSignatureMoniMT                                 INFO HLT_mu6_L1MU6 #2560542253
 TrigSignatureMoniMT                                 INFO -- #2560542253 Events         20         20         0          0          0          0          1          1          0          0          -          -          -          -          -          0          
 TrigSignatureMoniMT                                 INFO -- #2560542253 Features                             0          0          0          0          1          1          0          0          -          -          -          -          -          
@@ -679,6 +670,9 @@ TrigSignatureMoniMT                                 INFO -- #934918532 Features
 TrigSignatureMoniMT                                 INFO HLT_mu6_ivarmedium_L1MU6 #1012713062
 TrigSignatureMoniMT                                 INFO -- #1012713062 Events         20         20         0          0          0          0          1          1          0          0          0          -          -          -          -          0          
 TrigSignatureMoniMT                                 INFO -- #1012713062 Features                             0          0          0          0          1          1          0          0          0          -          -          -          -          
+TrigSignatureMoniMT                                 INFO HLT_mu6_j45_nojcalib_L1J20 #2114129685
+TrigSignatureMoniMT                                 INFO -- #2114129685 Events         20         20         0          0          0          0          0          0          0          0          0          0          -          -          -          0          
+TrigSignatureMoniMT                                 INFO -- #2114129685 Features                             0          0          0          0          0          0          0          0          0          0          -          -          -          
 TrigSignatureMoniMT                                 INFO HLT_mu6_msonly_L1MU6 #3895421032
 TrigSignatureMoniMT                                 INFO -- #3895421032 Events         20         20         0          0          0          0          1          0          0          -          -          -          -          -          -          0          
 TrigSignatureMoniMT                                 INFO -- #3895421032 Features                             0          0          0          0          1          0          0          -          -          -          -          -          -          
@@ -688,15 +682,9 @@ TrigSignatureMoniMT                                 INFO -- #1713982776 Features
 TrigSignatureMoniMT                                 INFO HLT_mu6_mu6noL1_L1MU6 #451489897
 TrigSignatureMoniMT                                 INFO -- #451489897 Events          20         20         0          0          0          0          1          1          0          0          0          0          0          0          0          0          
 TrigSignatureMoniMT                                 INFO -- #451489897 Features                              0          0          0          0          1          1          0          0          0          0          0          0          0          
-TrigSignatureMoniMT                                 INFO HLT_mu6fast_L1MU6 #3518031697
-TrigSignatureMoniMT                                 INFO -- #3518031697 Events         20         20         0          0          0          0          1          -          -          -          -          -          -          -          -          1          
-TrigSignatureMoniMT                                 INFO -- #3518031697 Features                             0          0          0          0          1          -          -          -          -          -          -          -          -          
-TrigSignatureMoniMT                                 INFO HLT_mu6fast_j45_nojcalib_L1J20 #1776326110
-TrigSignatureMoniMT                                 INFO -- #1776326110 Events         20         20         0          0          0          0          0          0          0          0          0          0          -          -          -          0          
-TrigSignatureMoniMT                                 INFO -- #1776326110 Features                             0          0          0          0          0          0          0          0          0          0          -          -          -          
-TrigSignatureMoniMT                                 INFO HLT_mu6fast_xe30_mht_L1XE10 #1876869651
-TrigSignatureMoniMT                                 INFO -- #1876869651 Events         20         20         0          0          0          0          0          0          0          0          0          0          -          -          -          0          
-TrigSignatureMoniMT                                 INFO -- #1876869651 Features                             0          0          0          0          0          0          0          0          0          0          -          -          -          
+TrigSignatureMoniMT                                 INFO HLT_mu6_xe30_mht_L1XE10 #3192713675
+TrigSignatureMoniMT                                 INFO -- #3192713675 Events         20         20         0          0          0          0          0          0          0          0          0          0          -          -          -          0          
+TrigSignatureMoniMT                                 INFO -- #3192713675 Features                             0          0          0          0          0          0          0          0          0          0          -          -          -          
 TrigSignatureMoniMT                                 INFO HLT_mu80_L1MU20 #387900377
 TrigSignatureMoniMT                                 INFO -- #387900377 Events          20         20         0          0          0          0          1          1          0          0          -          -          -          -          -          0          
 TrigSignatureMoniMT                                 INFO -- #387900377 Features                              0          0          0          0          1          1          0          0          -          -          -          -          -          
diff --git a/Trigger/TriggerCommon/TriggerMenuMT/python/HLTMenuConfig/Menu/LS2_v1.py b/Trigger/TriggerCommon/TriggerMenuMT/python/HLTMenuConfig/Menu/LS2_v1.py
index 32d066a3c9a65af7661a0bd5e532b8ac41c0ef75..2bfb8fe5b370ca8a8accb3c1a9885aad01227db4 100644
--- a/Trigger/TriggerCommon/TriggerMenuMT/python/HLTMenuConfig/Menu/LS2_v1.py
+++ b/Trigger/TriggerCommon/TriggerMenuMT/python/HLTMenuConfig/Menu/LS2_v1.py
@@ -37,11 +37,8 @@ def setupMenu():
         ChainProp(name='HLT_mu20_ivarmedium_mu8noL1_L1MU20', l1SeedThresholds=['MU20','FSNOSEED'], mergingStrategy='serial', groups=MultiMuonGroup),
     
         #test chains
-        ChainProp(name='HLT_mu6fast_L1MU6', groups=SingleMuonGroup),
-        ChainProp(name='HLT_mu6Comb_L1MU6', groups=SingleMuonGroup),
         ChainProp(name='HLT_mu6_L1MU6',     groups=SingleMuonGroup),
 
-        ChainProp(name='HLT_mu20_ivar_L1MU6',      groups=SingleMuonGroup),
         ChainProp(name='HLT_mu6_ivarmedium_L1MU6', groups=SingleMuonGroup),
 
         # commented because it is conflict with dimuon noL1 serial chain
@@ -57,7 +54,6 @@ def setupMenu():
         #  ChainProp(name='HLT_mu6_Dr_mu4_Dr_L12MU4', l1SeedThresholds=['MU4']*2, groups=MultiMuonGroup),
         # ATR-20049
         ChainProp(name='HLT_mu6_mu4_L12MU4',  l1SeedThresholds=['MU4']*2, groups=MultiMuonGroup),
-        ChainProp(name='HLT_2mu6Comb_L12MU6', l1SeedThresholds=['MU6'],   groups=MultiMuonGroup),
         
         # in planned primary as an option
         ChainProp(name='HLT_mu24_ivarmedium_L1MU20', groups=SingleMuonGroup),
@@ -377,8 +373,8 @@ def setupMenu():
         ChainProp(name='HLT_e24_lhmedium_2g12_loose_L1EM20VH_3EM10VH', l1SeedThresholds=['EM20VH','EM10VH'], mergingStrategy='parallel', stream=[PhysicsStream], groups=MultiElectronGroup), # unsure about l1SeedThresholds
 
         # Test chains for muon + jet/MET merging/aligning
-        ChainProp(name='HLT_mu6fast_xe30_mht_L1XE10', l1SeedThresholds=['MU6','XE10'], mergingStrategy='serial', stream=[PhysicsStream], groups=SingleMETGroup),
-        ChainProp(name='HLT_mu6fast_j45_nojcalib_L1J20', l1SeedThresholds=['MU6','J20'], mergingStrategy='serial', stream=[PhysicsStream], groups=SingleMETGroup),    
+        ChainProp(name='HLT_mu6_xe30_mht_L1XE10', l1SeedThresholds=['MU6','XE10'], mergingStrategy='serial', stream=[PhysicsStream], groups=SingleMETGroup),
+        ChainProp(name='HLT_mu6_j45_nojcalib_L1J20', l1SeedThresholds=['MU6','J20'], mergingStrategy='serial', stream=[PhysicsStream], groups=SingleMETGroup),    
     
     ]
     TriggerFlags.HeavyIonSlice.signatures  = TriggerFlags.HeavyIonSlice.signatures() + []
diff --git a/Trigger/TriggerCommon/TriggerMenuMT/python/HLTMenuConfig/Menu/SignatureDicts.py b/Trigger/TriggerCommon/TriggerMenuMT/python/HLTMenuConfig/Menu/SignatureDicts.py
index a02231864877113c44c29e1420e35b8d8442754c..2d7c65037ea00b9a14c1d9326c22e92b5eba8154 100644
--- a/Trigger/TriggerCommon/TriggerMenuMT/python/HLTMenuConfig/Menu/SignatureDicts.py
+++ b/Trigger/TriggerCommon/TriggerMenuMT/python/HLTMenuConfig/Menu/SignatureDicts.py
@@ -186,9 +186,9 @@ MuonChainParts = {
     'trigType'       : ['mu'],
     'etaRange'       : ['0eta2550','0eta105'],
     'threshold'      : '',
-    'extra'          : ['noL1', 'Comb', 'fast', 'msonly','lateMu', "Dr", "muoncalib" ,'l2io'],
+    'extra'          : ['noL1', 'msonly','lateMu', "Dr", "muoncalib" ,'l2io'],
     'IDinfo'         : [],
-    'isoInfo'        : ['ivar','ivarmedium'],
+    'isoInfo'        : ['ivarmedium'],
     'invMassInfo'    : ['10invm70'],
     'addInfo'        : ['1step','idperf','3layersEC','cosmic',"muonqual"],
     'topo'           : AllowedTopos_mu,
diff --git a/Trigger/TriggerCommon/TriggerMenuMT/python/HLTMenuConfig/Muon/MuonDef.py b/Trigger/TriggerCommon/TriggerMenuMT/python/HLTMenuConfig/Muon/MuonDef.py
index 1d0bf15daab88ebf1009b0c9d924c09c6f47ff76..d274928a3c1e86eb78520297d0687ae89569e389 100755
--- a/Trigger/TriggerCommon/TriggerMenuMT/python/HLTMenuConfig/Muon/MuonDef.py
+++ b/Trigger/TriggerCommon/TriggerMenuMT/python/HLTMenuConfig/Muon/MuonDef.py
@@ -11,7 +11,7 @@ log = logging.getLogger("TriggerMenuMT.HLTMenuConfig.Muon.MuonDef")
 
 from TriggerMenuMT.HLTMenuConfig.Menu.ChainConfigurationBase import ChainConfigurationBase
 
-from TriggerMenuMT.HLTMenuConfig.Muon.MuonSequenceSetup import muFastSequence, muFastOvlpRmSequence, muCombSequence, muCombOvlpRmSequence, mul2IOOvlpRmSequence, muEFSASequence, muIsoSequence, muEFCBSequence, muEFSAFSSequence, muEFCBFSSequence, muEFIsoSequence, efLateMuRoISequence, efLateMuSequence
+from TriggerMenuMT.HLTMenuConfig.Muon.MuonSequenceSetup import muFastSequence, muFastOvlpRmSequence, muCombSequence, muCombOvlpRmSequence, mul2IOOvlpRmSequence, muEFSASequence, muEFCBSequence, muEFSAFSSequence, muEFCBFSSequence, muEFIsoSequence, efLateMuRoISequence, efLateMuSequence
 from TrigMuonHypoMT.TrigMuonHypoMTConfig import TrigMuonEFInvMassHypoToolFromDict
 
 # this must be moved to the HypoTool file:
@@ -44,9 +44,6 @@ def mul2IOOvlpRmSequenceCfg(flags):
 def muEFSASequenceCfg(flags):
     return muEFSASequence()
 
-def muIsoSequenceCfg(flags):
-    return muIsoSequence()
-
 def muEFCBSequenceCfg(flags):
     return muEFCBSequence()
 
@@ -108,11 +105,8 @@ class MuonChainConfiguration(ChainConfigurationBase):
 
         stepDictionary = {
             "":[['getmuFast', 'getmuComb'], ['getmuEFSA', 'getmuEFCB']],
-            "fast":[['getmuFast']],
-            "Comb":[['getmuFast', 'getmuComb']],
             "l2io":[['getmuFast', 'getmuCombIO'], ['getmuEFSA', 'getmuEFCB']],
             "noL2Comb" : [['getmuFast'], ['getmuEFSA', 'getmuEFCB']],
-            "ivar":[['getmuFast', 'getmuComb', 'getmuIso']],
             "noL1":[[],['getFSmuEFSA', 'getFSmuEFCB']],
             "msonly":[['getmuFast', 'getmuMSEmpty'], ['getmuEFSA']],
             "ivarmedium":[['getmuFast', 'getmuComb'], ['getmuEFSA', 'getmuEFCB', 'getmuEFIso']],
@@ -167,10 +161,6 @@ class MuonChainConfiguration(ChainConfigurationBase):
         return self.getStep(3,'muEFSA',[ muEFSASequenceCfg])
 
 
-    # --------------------
-    def getmuIso(self):
-        return self.getStep(3,'muIso', [muIsoSequenceCfg])
-
     # --------------------
     def getmuEFCB(self):
 
diff --git a/Trigger/TriggerCommon/TriggerMenuMT/python/HLTMenuConfig/Muon/MuonSequenceSetup.py b/Trigger/TriggerCommon/TriggerMenuMT/python/HLTMenuConfig/Muon/MuonSequenceSetup.py
index 50de2d383311caf02387a7ea0355fa804b6f7490..1db463f1684e2daf14f10ccf80d1f2a96d8c1aff 100644
--- a/Trigger/TriggerCommon/TriggerMenuMT/python/HLTMenuConfig/Muon/MuonSequenceSetup.py
+++ b/Trigger/TriggerCommon/TriggerMenuMT/python/HLTMenuConfig/Muon/MuonSequenceSetup.py
@@ -521,51 +521,6 @@ def efLateMuSequence():
 
 
 
-######################
-### l2Muiso step ###
-######################
-def muIsoAlgSequence(ConfigFlags):
-
-    l2muIsoViewsMaker = EventViewCreatorAlgorithm("IMl2muIso")
-    #
-    l2muIsoViewsMaker.RoIsLink = "roi" # Merge based on L2SA muon
-    l2muIsoViewsMaker.RoITool = ViewCreatorPreviousROITool() # Spawn EventViews on L2SA muon ROI 
-    #
-    l2muIsoViewsMaker.Views = "MUIsoViewRoIs"
-    l2muIsoViewsMaker.InViewRoIs = "MUIsoRoIs"
-    #
-    l2muIsoViewsMaker.RequireParentView = True
-    l2muIsoViewsMaker.ViewFallThrough = True
-
-    ### get EF reco sequence ###    
-    from TriggerMenuMT.HLTMenuConfig.Muon.MuonSetup  import l2muisoRecoSequence
-    l2muisoRecoSequence, sequenceOut = l2muisoRecoSequence( l2muIsoViewsMaker.InViewRoIs )
- 
-    l2muIsoViewsMaker.ViewNodeName = l2muisoRecoSequence.name()
-     
-    ### Define a Sequence to run for muIso ### 
-    l2muIsoSequence = seqAND("l2muIsoSequence", [ l2muIsoViewsMaker, l2muisoRecoSequence ] )
-
-    return (l2muIsoSequence, l2muIsoViewsMaker, sequenceOut)
-
-def muIsoSequence():
- 
-    (l2muIsoSequence, l2muIsoViewsMaker, sequenceOut) = RecoFragmentsPool.retrieve(muIsoAlgSequence, ConfigFlags)
-
-    # set up hypo    
-    from TrigMuonHypoMT.TrigMuonHypoMTConfig import TrigMuisoHypoAlg
-    trigmuIsoHypo = TrigMuisoHypoAlg("L2MuisoHypoAlg")
-    trigmuIsoHypo.MuonL2ISInfoName = sequenceOut
-   
-    from TrigMuonHypoMT.TrigMuonHypoMTConfig import TrigMuisoHypoToolFromDict
-
-    return MenuSequence( Sequence    = l2muIsoSequence,
-                         Maker       = l2muIsoViewsMaker,
-                         Hypo        = trigmuIsoHypo,
-                         HypoToolGen = TrigMuisoHypoToolFromDict )
-
-
-
 ######################
 ### efMuiso step ###
 ######################
diff --git a/Trigger/TriggerCommon/TriggerMenuMT/share/full_menu_cf.py b/Trigger/TriggerCommon/TriggerMenuMT/share/full_menu_cf.py
index c76ae391ba8f4d1c06038067943fc0180978b62a..155328bdfd8d59ccfe691da50dafc36f9ca5c07c 100644
--- a/Trigger/TriggerCommon/TriggerMenuMT/share/full_menu_cf.py
+++ b/Trigger/TriggerCommon/TriggerMenuMT/share/full_menu_cf.py
@@ -57,7 +57,7 @@ def generateChains():
     # muon chains
     ##################################################################
     if opt.doMuonSlice == True:
-        from TriggerMenuMT.HLTMenuConfig.Muon.MuonSequenceSetup import muFastSequence, muCombSequence, muEFSASequence, muIsoSequence, muEFCBSequence, muEFSAFSSequence, muEFCBFSSequence
+        from TriggerMenuMT.HLTMenuConfig.Muon.MuonSequenceSetup import muFastSequence, muCombSequence, muEFSASequence, muEFCBSequence, muEFSAFSSequence, muEFCBFSSequence
 
         MuonChains  = []
         # step1
@@ -69,7 +69,6 @@ def generateChains():
         # step3
         muEFSAS = muEFSASequence()
         step3muEFSA=ChainStep("Step3_muEFSA", [ muEFSAS ])
-        step3muIso =ChainStep("Step3_muIso",  [ muIsoSequence() ])
         # step4
         muEFCBS = muEFCBSequence()
         step4muEFCB=ChainStep("Step4_muEFCB", [ muEFCBS ])
@@ -81,7 +80,6 @@ def generateChains():
         MuonChains += [ makeChain(name='HLT_mu6Comb_L1MU6',     L1Thresholds=["MU6"], ChainSteps=[ step1mufast, step2muComb ])]
         MuonChains += [ makeChain(name='HLT_mu6_L1MU6',         L1Thresholds=["MU6"], ChainSteps=[ step1mufast, step2muComb, step3muEFSA, step4muEFCB ])]
         MuonChains += [ makeChain(name='HLT_mu6msonly_L1MU6',   L1Thresholds=["MU6"], ChainSteps=[ step1mufast, emptyStep,   step3muEFSA ])] # removed due to muEFSA isuue(?)
-        MuonChains += [ makeChain(name='HLT_mu20_ivar_L1MU6',   L1Thresholds=["MU6"], ChainSteps=[ step1mufast, step2muComb, step3muIso ])]
 
         # multi muon trigger
         # 2muons symmetric