diff --git a/Hlt/Hlt2Lines/python/Hlt2Lines/Technical/Lines.py b/Hlt/Hlt2Lines/python/Hlt2Lines/Technical/Lines.py
index b881a6d4af77a871c242cd19561f50bc5d3e3fb5..91ddcf505a328f2e7c8455465b1599f3022dfd78 100644
--- a/Hlt/Hlt2Lines/python/Hlt2Lines/Technical/Lines.py
+++ b/Hlt/Hlt2Lines/python/Hlt2Lines/Technical/Lines.py
@@ -4,6 +4,7 @@ from Hlt2Lines.Utilities.Hlt2LinesConfigurableUser import Hlt2LinesConfigurableU
 class TechnicalLines(Hlt2LinesConfigurableUser):
     __slots__ = {'Prescale'    : {'Hlt2PassThrough' : 0.0001,
                                   'Hlt2Forward'     : 0.0001,
+                                  'Hlt2MBNoBias'    : 0.01,
                                   'Hlt2DebugEvent'  : 0.0001},
                  'Postscale'   : {'Hlt2ErrorEvent'  : 'RATE(1)'},
                  # do not want debug events on lumi-exclusive Hlt1 events...
diff --git a/Hlt/HltConf/python/HltConf/HltOutput.py b/Hlt/HltConf/python/HltConf/HltOutput.py
index 289772d8ce453e41cead8f960baae5d550d85259..78eadb6900aefe0dd6f21d51d55e250740fbb017 100644
--- a/Hlt/HltConf/python/HltConf/HltOutput.py
+++ b/Hlt/HltConf/python/HltConf/HltOutput.py
@@ -317,8 +317,6 @@ class HltOutputConf(LHCbConfigurableUser):
                       , 53 : "HLT_PASS_RE('Hlt1Calib(TrackingKPiDetached|HighPTLowMultTrks)Decision')"
                       # RB 54 RICH mirror alignment
                       , 54 : "HLT_PASS_RE('Hlt1CalibRICH.*Decision')"
-                      # RB 55 NoBias, rate-limited
-                      , 55 : "HLT_PASS('Hlt1MBNoBiasRateLimitedDecision')"
                       # RB 56 Muon alignment
                       , 56 : "HLT_PASS('Hlt1CalibMuonAlignJpsiDecision')"
                       # RB 57 Tell1 Error events
diff --git a/Hlt/HltSettings/python/HltSettings/Hlt1TechnicalLines.py b/Hlt/HltSettings/python/HltSettings/Hlt1TechnicalLines.py
index c0519552227fd04a9a62360617c2d7b10eccad83..274b0eddcbee7a462902a09c7e0fe839a1846e4e 100644
--- a/Hlt/HltSettings/python/HltSettings/Hlt1TechnicalLines.py
+++ b/Hlt/HltSettings/python/HltSettings/Hlt1TechnicalLines.py
@@ -15,7 +15,6 @@ class Hlt1TechnicalLines:
             'Hlt1Lumi',
             'Hlt1L0Any', 'Hlt1L0AnyNoSPD',
             'Hlt1MBNoBias',
-            'Hlt1MBNoBiasRateLimited',
             'Hlt1ODINTechnical', 'Hlt1Tell1Error', 'Hlt1ErrorEvent',  # 'Hlt1Incident'
             'Hlt1VeloClosingMicroBias',
         ]
diff --git a/Hlt/HltSettings/python/HltSettings/Physics_pp_Draft2016.py b/Hlt/HltSettings/python/HltSettings/Physics_pp_Draft2016.py
index 7048753d02eed33373c28a283c615fa657ea62ed..d67c386ee99f8df3b1f6eab47541568323d44065 100644
--- a/Hlt/HltSettings/python/HltSettings/Physics_pp_Draft2016.py
+++ b/Hlt/HltSettings/python/HltSettings/Physics_pp_Draft2016.py
@@ -311,7 +311,8 @@ class Physics_pp_Draft2016( object ):
                        , Hlt1MBLinesConf :     { 'Prescale' : { 'Hlt1MBMicroBiasVelo'                : 0
                                                               , 'Hlt1MBMicroBiasTStation'            : 0
                                                               , 'Hlt1MBMicroBiasVeloRateLimited'     : 0
-                                                              , 'Hlt1MBMicroBiasTStationRateLimited' : 0 }
+                                                              , 'Hlt1MBMicroBiasTStationRateLimited' : 0 
+                                                              , 'Hlt1MBNoBias'                       : 1 }
                                                , 'MaxNoBiasRate' : 1000000.
                                                }
                        , Hlt1CalibRICHMirrorLinesConf : { 'Prescale' : { 'Hlt1CalibHighPTLowMultTrks'     : 0.0001,
diff --git a/Hlt/HltSettings/python/HltSettings/Physics_pp_May2016.py b/Hlt/HltSettings/python/HltSettings/Physics_pp_May2016.py
index 48b32fe7c5527bc86e66418bd32eca2d64118708..0d08cdca63b4ebb40f879a359ecc05fc79aedc43 100644
--- a/Hlt/HltSettings/python/HltSettings/Physics_pp_May2016.py
+++ b/Hlt/HltSettings/python/HltSettings/Physics_pp_May2016.py
@@ -307,7 +307,8 @@ class Physics_pp_May2016( object ):
                        , Hlt1MBLinesConf :     { 'Prescale' : { 'Hlt1MBMicroBiasVelo'                : 0
                                                               , 'Hlt1MBMicroBiasTStation'            : 0
                                                               , 'Hlt1MBMicroBiasVeloRateLimited'     : 0
-                                                              , 'Hlt1MBMicroBiasTStationRateLimited' : 0 }
+                                                              , 'Hlt1MBMicroBiasTStationRateLimited' : 0
+                                                              , 'Hlt1MBNoBias'                       : 1 }
                                                , 'MaxNoBiasRate' : 1000000.
                                                }
                        , Hlt1CalibRICHMirrorLinesConf : { 'Prescale' : { 'Hlt1CalibHighPTLowMultTrks'     : 0.0001,
diff --git a/Hlt/HltSettings/python/HltSettings/Technical/Technical_pp_May2016.py b/Hlt/HltSettings/python/HltSettings/Technical/Technical_pp_May2016.py
index dea1b2b46050a682b1e50f557938b8050e99a305..2a0ef52707bc97452a4cce1452fbf472c73bbf35 100644
--- a/Hlt/HltSettings/python/HltSettings/Technical/Technical_pp_May2016.py
+++ b/Hlt/HltSettings/python/HltSettings/Technical/Technical_pp_May2016.py
@@ -43,6 +43,7 @@ class Technical_pp_May2016(object) :
         from Hlt2Lines.Technical.Lines     import TechnicalLines
         d.update({TechnicalLines :
                       {'Prescale'    : {'Hlt2PassThrough' : 0.0001,
+                                        'Hlt2MBNoBias'    : 0.01,
                                         'Hlt2Forward'     : 0.00001,
                                         'Hlt2DebugEvent'  : 0.000001},
                        'Postscale'   : {'Hlt2ErrorEvent'  : 'RATE(0.01)'},