diff --git a/InnerDetector/InDetConfig/python/ITkTrackRecoConfig.py b/InnerDetector/InDetConfig/python/ITkTrackRecoConfig.py
index 9d1783fb90c5f5b6bb5977f84e4c6bd6b7c0fa30..cc15b16ff40079ec79dcb8ef339aa9b1359b8e49 100644
--- a/InnerDetector/InDetConfig/python/ITkTrackRecoConfig.py
+++ b/InnerDetector/InDetConfig/python/ITkTrackRecoConfig.py
@@ -6,9 +6,14 @@ from AthenaConfiguration.Enums import Format
 
 from InDetConfig.TrackRecoConfig import FTAG_AUXDATA
 
+_flags_set = [] # For caching
 
 def CombinedTrackingPassFlagSets(flags):
 
+    global _flags_set
+    if _flags_set:
+        return _flags_set
+
     flags_set = []
 
     # Primary Pass
@@ -30,10 +35,11 @@ def CombinedTrackingPassFlagSets(flags):
         flagsConv = flags.cloneAndReplace("ITk.Tracking.ActivePass", "ITk.Tracking.ConversionFindingPass")
         flags_set += [flagsConv]
 
+    _flags_set = flags_set # Put into cache 
+
     return flags_set
 
 def ITkClusterSplitProbabilityContainerName(flags):
-
     flags_set = CombinedTrackingPassFlagSets(flags)
     extension = flags_set[-1].ITk.Tracking.ActivePass.extension
     ClusterSplitProbContainer = "ITkAmbiguityProcessorSplitProb" + extension
@@ -45,7 +51,7 @@ def ITkTrackRecoCfg(flags):
 
     if flags.Input.Format is Format.BS:
         # TODO: ITk BS providers
-        raise RuntimeError("BS imputs not supported")
+        raise RuntimeError("ByteStream inputs not supported")
 
     from InDetConfig.SiliconPreProcessing import ITkRecPreProcessingSiliconCfg
     result.merge(ITkRecPreProcessingSiliconCfg(flags))
@@ -91,7 +97,7 @@ def ITkTrackRecoCfg(flags):
     from TrkConfig.TrkTrackCollectionMergerConfig import ITkTrackCollectionMergerAlgCfg
     result.merge(ITkTrackCollectionMergerAlgCfg(flags,
                                                 InputCombinedTracks = InputCombinedITkTracks,
-                                                CombinedITkClusterSplitProbContainer = ITkClusterSplitProbabilityContainerName(flags)))
+                                                CombinedITkClusterSplitProbContainer = ITkClusterSplitProbabilityContainerName(flags) if not flags.ITk.Tracking.doFastTracking else ""))
 
     if flags.ITk.Tracking.doTruth:
         result.merge(ITkTrackTruthCfg(flags))
diff --git a/InnerDetector/InDetConfig/python/ITkTrackingSiPatternConfig.py b/InnerDetector/InDetConfig/python/ITkTrackingSiPatternConfig.py
index 6168f961524d092d556a195772edb7e043066b97..6ff8617dfe05c40de4ff32960eafd1b69c1ed379 100644
--- a/InnerDetector/InDetConfig/python/ITkTrackingSiPatternConfig.py
+++ b/InnerDetector/InDetConfig/python/ITkTrackingSiPatternConfig.py
@@ -1,79 +1,5 @@
 # Copyright (C) 2002-2022 CERN for the benefit of the ATLAS collaboration
 from AthenaConfiguration.ComponentAccumulator import ComponentAccumulator
-from AthenaConfiguration.ComponentFactory import CompFactory
-
-def ITkSiSPSeededTrackFinderCfg(flags, name="ITkSiSpTrackFinder", **kwargs) :
-    acc = ComponentAccumulator()
-
-    from InDetConfig.SiTrackMakerConfig import ITkSiTrackMaker_xkCfg
-    ITkSiTrackMaker = acc.popToolsAndMerge(ITkSiTrackMaker_xkCfg(flags))
-    from TrkConfig.TrkExRungeKuttaPropagatorConfig import ITkPropagatorCfg
-    ITkPropagator = acc.popToolsAndMerge(ITkPropagatorCfg(flags))
-    acc.addPublicTool(ITkPropagator)
-    from TrkConfig.TrkTrackSummaryToolConfig import ITkTrackSummaryToolNoHoleSearchCfg
-    ITkTrackSummaryToolNoHoleSearch = acc.getPrimaryAndMerge(ITkTrackSummaryToolNoHoleSearchCfg(flags))
-
-    if "SeedsTool" not in kwargs:
-        ITkSiSpacePointsSeedMaker = None
-
-        if flags.ITk.Tracking.ActivePass.extension != "ConversionFinding" and flags.Acts.TrackFinding.useSiSpacePointSeedMaker:
-            from ActsTrkSeedingTool.ActsTrkSeedingToolConfig import ActsTrkSiSpacePointsSeedMakerCfg
-            ITkSiSpacePointsSeedMaker = acc.popToolsAndMerge(ActsTrkSiSpacePointsSeedMakerCfg(flags))
-        else:
-            from InDetConfig.SiSpacePointsSeedToolConfig import ITkSiSpacePointsSeedMakerCfg
-            ITkSiSpacePointsSeedMaker = acc.popToolsAndMerge(ITkSiSpacePointsSeedMakerCfg(flags))
-
-        kwargs.setdefault("SeedsTool", ITkSiSpacePointsSeedMaker)
-
-    #
-    # --- Setup Track finder using space points seeds
-    #
-    kwargs.setdefault("TrackTool", ITkSiTrackMaker)
-    kwargs.setdefault("PropagatorTool", ITkPropagator)
-    if flags.ITk.Tracking.ActivePass.usePrdAssociationTool:
-        # not all classes have that property !!!
-        kwargs.setdefault("PRDtoTrackMap", 'ITkPRDtoTrackMap'+ flags.ITk.Tracking.ActivePass.extension)
-    kwargs.setdefault("TrackSummaryTool", ITkTrackSummaryToolNoHoleSearch)
-    kwargs.setdefault("useZvertexTool", False)
-    kwargs.setdefault("useZBoundFinding", flags.ITk.Tracking.ActivePass.doZBoundary)
-    kwargs.setdefault("ITKGeometry", True)
-    kwargs.setdefault("SpacePointsSCTName", "ITkStripSpacePoints")
-    kwargs.setdefault("SpacePointsPixelName", "ITkPixelSpacePoints")
-
-    if flags.ITk.Tracking.doFastTracking :
-        kwargs.setdefault("doFastTracking", True)
-
-        if 'InDetEtaDependentCutsSvc' not in kwargs :
-            from InDet.InDetEtaDependentCutsConfig import ITkEtaDependentCutsSvcCfg
-            acc.merge(ITkEtaDependentCutsSvcCfg(flags))
-            kwargs.setdefault("InDetEtaDependentCutsSvc", acc.getService("ITkEtaDependentCutsSvc"+flags.ITk.Tracking.ActivePass.extension))
-
-    ITkSiSPSeededTrackFinder = CompFactory.InDet.SiSPSeededTrackFinder(name = name+flags.ITk.Tracking.ActivePass.extension, **kwargs)
-    acc.addEventAlgo(ITkSiSPSeededTrackFinder)
-    return acc
-
-def ITkSiSPSeededTrackFinderROIConvCfg(flags, name="ITkSiSpTrackFinderROIConv", **kwargs) :
-    from InDetConfig.InDetCaloClusterROISelectorConfig import ITkCaloClusterROIPhiRZContainerMakerCfg
-    acc = ITkCaloClusterROIPhiRZContainerMakerCfg(flags)
-
-    from RegionSelector.RegSelToolConfig import regSelTool_ITkStrip_Cfg
-    RegSelTool_ITkStrip   = acc.popToolsAndMerge(regSelTool_ITkStrip_Cfg(flags))
-
-    kwargs.setdefault("RegSelTool_Strip", RegSelTool_ITkStrip)
-    kwargs.setdefault("useITkConvSeeded", True)
-    kwargs.setdefault("EMROIPhiRZContainer", "ITkCaloClusterROIPhiRZ15GeVUnordered")
-
-    acc.merge(ITkSiSPSeededTrackFinderCfg(flags, name, **kwargs))
-    return acc
-
-def ITkCopyAlgForAmbiCfg(flags, name="ITkCopyAlgForAmbi", InputTrackCollection = None, OutputTrackCollection = None, **kwargs) :
-    acc = ComponentAccumulator()
-
-    kwargs.setdefault("CollectionName", InputTrackCollection)
-    kwargs.setdefault("AliasName", OutputTrackCollection)
-    ITkCopyAlgForAmbi = CompFactory.Trk.TrkCollectionAliasAlg (name = name+flags.ITk.Tracking.ActivePass.extension, **kwargs)
-    acc.addEventAlgo(ITkCopyAlgForAmbi)
-    return acc
 
 # ------------------------------------------------------------
 #
@@ -101,27 +27,29 @@ def ITkTrackingSiPatternCfg(flags,
     #
     # ------------------------------------------------------------
 
+    from InDetConfig.SiSPSeededTrackFinderConfig import ITkSiSPSeededTrackFinderCfg
     SiSPSeededTrackFinderCfg = ITkSiSPSeededTrackFinderCfg
     if flags.ITk.Tracking.ActivePass.extension == "ConversionFinding":
+        from InDetConfig.SiSPSeededTrackFinderConfig import ITkSiSPSeededTrackFinderROIConvCfg
         SiSPSeededTrackFinderCfg = ITkSiSPSeededTrackFinderROIConvCfg
-    acc.merge(SiSPSeededTrackFinderCfg( flags,
-                                        TracksLocation = SiSPSeededTrackCollectionKey))
+    acc.merge(SiSPSeededTrackFinderCfg(flags,
+                                       TracksLocation = SiSPSeededTrackCollectionKey))
     # ------------------------------------------------------------
     #
     # ---------- Ambiguity solving
     #
     # ------------------------------------------------------------
-
     if flags.ITk.Tracking.doFastTracking:
-        acc.merge(ITkCopyAlgForAmbiCfg( flags,
-                                        InputTrackCollection = SiSPSeededTrackCollectionKey,
-                                        OutputTrackCollection = ResolvedTrackCollectionKey ))
+        from TrkConfig.TrkCollectionAliasAlgConfig import ITkCopyAlgForAmbiCfg
+        acc.merge(ITkCopyAlgForAmbiCfg(flags, "ITkCopyAlgForAmbi"+flags.ITk.Tracking.ActivePass.extension,
+                                       CollectionName = SiSPSeededTrackCollectionKey, # Input
+                                       AliasName = ResolvedTrackCollectionKey))       # Output
 
     else:
         from TrkConfig.TrkAmbiguitySolverConfig import ITkTrkAmbiguityScoreCfg, ITkTrkAmbiguitySolverCfg
-        acc.merge(ITkTrkAmbiguityScoreCfg( flags,
-                                           SiSPSeededTrackCollectionKey = SiSPSeededTrackCollectionKey,
-                                           ClusterSplitProbContainer = ClusterSplitProbContainer))
+        acc.merge(ITkTrkAmbiguityScoreCfg(flags,
+                                          SiSPSeededTrackCollectionKey = SiSPSeededTrackCollectionKey,
+                                          ClusterSplitProbContainer = ClusterSplitProbContainer))
 
         acc.merge(ITkTrkAmbiguitySolverCfg(flags,
                                            ResolvedTrackCollectionKey = ResolvedTrackCollectionKey))
diff --git a/InnerDetector/InDetConfig/python/SiSPSeededTrackFinderConfig.py b/InnerDetector/InDetConfig/python/SiSPSeededTrackFinderConfig.py
new file mode 100644
index 0000000000000000000000000000000000000000..0bebaeef2e9ab7e2c1d7680dd2b09985e9bd589a
--- /dev/null
+++ b/InnerDetector/InDetConfig/python/SiSPSeededTrackFinderConfig.py
@@ -0,0 +1,121 @@
+# Copyright (C) 2002-2022 CERN for the benefit of the ATLAS collaboration
+# Configuration of SiSPSeededTrackFinder package
+from AthenaConfiguration.ComponentAccumulator import ComponentAccumulator
+from AthenaConfiguration.ComponentFactory import CompFactory
+
+def SiSPSeededTrackFinderCfg(flags, name="InDetSiSpTrackFinder", **kwargs) :
+    acc = ComponentAccumulator()
+
+    if "TrackTool" not in kwargs:
+        from InDetConfig.SiTrackMakerConfig import SiTrackMaker_xkCfg
+        kwargs.setdefault("TrackTool", acc.popToolsAndMerge(
+            SiTrackMaker_xkCfg(flags)))
+
+    if "PropagatorTool" not in kwargs:
+        from TrkConfig.TrkExRungeKuttaPropagatorConfig import InDetPropagatorCfg
+        InDetPropagator = acc.popToolsAndMerge(InDetPropagatorCfg(flags))
+        acc.addPublicTool(InDetPropagator)
+        kwargs.setdefault("PropagatorTool", InDetPropagator)
+
+    if "TrackSummaryTool" not in kwargs:
+        from TrkConfig.TrkTrackSummaryToolConfig import InDetTrackSummaryToolNoHoleSearchCfg
+        kwargs.setdefault("TrackSummaryTool", acc.popToolsAndMerge(
+            InDetTrackSummaryToolNoHoleSearchCfg(flags)))
+
+    if "SeedsTool" not in kwargs:
+        from InDetConfig.SiSpacePointsSeedToolConfig import SiSpacePointsSeedMakerCfg
+        kwargs.setdefault("SeedsTool", acc.popToolsAndMerge(
+            SiSpacePointsSeedMakerCfg(flags)))
+
+    kwargs.setdefault("useMBTSTimeDiff", flags.Reco.EnableHI) # Heavy-ion config
+
+    if flags.InDet.Tracking.ActivePass.usePrdAssociationTool:
+        # not all classes have that property !!!
+        kwargs.setdefault("PRDtoTrackMap", 'InDetPRDtoTrackMap'+ flags.InDet.Tracking.ActivePass.extension)
+
+    if flags.InDet.Tracking.ActivePass.extension == "Forward":
+        kwargs.setdefault("useZvertexTool", flags.Reco.EnableHI) # For heavy-ion
+        kwargs.setdefault("useZBoundFinding", False)
+    else:
+        kwargs.setdefault("useZvertexTool", flags.Reco.EnableHI) # For heavy-ion
+        kwargs.setdefault("useZBoundFinding", flags.InDet.Tracking.ActivePass.doZBoundary)
+    
+    #
+    # --- Z-coordinates primary vertices finder (only for collisions)
+    #
+    if kwargs["useZvertexTool"] and "ZvertexTool" not in kwargs:
+        from InDetConfig.SiZvertexToolConfig import SiZvertexMaker_xkCfg
+        kwargs.setdefault("ZvertexTool", acc.popToolsAndMerge(
+            SiZvertexMaker_xkCfg(flags)))
+
+    if flags.Reco.EnableHI:
+        kwargs.setdefault("FreeClustersCut",2) #Heavy Ion optimization from Igor
+
+    acc.addEventAlgo(CompFactory.InDet.SiSPSeededTrackFinder(name+flags.InDet.Tracking.ActivePass.extension, **kwargs))
+    return acc
+
+def ITkSiSPSeededTrackFinderCfg(flags, name="ITkSiSpTrackFinder", **kwargs) :
+    acc = ComponentAccumulator()
+
+    if "TrackTool" not in kwargs:
+        from InDetConfig.SiTrackMakerConfig import ITkSiTrackMaker_xkCfg
+        kwargs.setdefault("TrackTool", acc.popToolsAndMerge(
+            ITkSiTrackMaker_xkCfg(flags)))
+
+    if "PropagatorTool" not in kwargs:
+        from TrkConfig.TrkExRungeKuttaPropagatorConfig import ITkPropagatorCfg
+        ITkPropagator = acc.popToolsAndMerge(ITkPropagatorCfg(flags))
+        acc.addPublicTool(ITkPropagator)
+        kwargs.setdefault("PropagatorTool", ITkPropagator)
+
+    if "TrackSummaryTool" not in kwargs:
+        from TrkConfig.TrkTrackSummaryToolConfig import ITkTrackSummaryToolNoHoleSearchCfg
+        kwargs.setdefault("TrackSummaryTool", acc.popToolsAndMerge(
+            ITkTrackSummaryToolNoHoleSearchCfg(flags)))
+
+    if "SeedsTool" not in kwargs:
+        ITkSiSpacePointsSeedMaker = None
+        if flags.ITk.Tracking.ActivePass.extension != "ConversionFinding" and flags.Acts.TrackFinding.useSiSpacePointSeedMaker:
+            from ActsTrkSeedingTool.ActsTrkSeedingToolConfig import ActsTrkSiSpacePointsSeedMakerCfg
+            ITkSiSpacePointsSeedMaker = acc.popToolsAndMerge(ActsTrkSiSpacePointsSeedMakerCfg(flags))
+        else:
+            from InDetConfig.SiSpacePointsSeedToolConfig import ITkSiSpacePointsSeedMakerCfg
+            ITkSiSpacePointsSeedMaker = acc.popToolsAndMerge(ITkSiSpacePointsSeedMakerCfg(flags))
+
+        kwargs.setdefault("SeedsTool", ITkSiSpacePointsSeedMaker)
+
+    if flags.ITk.Tracking.ActivePass.usePrdAssociationTool:
+        # not all classes have that property !!!
+        kwargs.setdefault("PRDtoTrackMap", 'ITkPRDtoTrackMap'+ flags.ITk.Tracking.ActivePass.extension)
+
+    kwargs.setdefault("useZvertexTool", False)
+    kwargs.setdefault("useZBoundFinding", flags.ITk.Tracking.ActivePass.doZBoundary)
+    kwargs.setdefault("ITKGeometry", True)
+    kwargs.setdefault("SpacePointsSCTName", "ITkStripSpacePoints")
+    kwargs.setdefault("SpacePointsPixelName", "ITkPixelSpacePoints")
+
+    if flags.ITk.Tracking.doFastTracking :
+        kwargs.setdefault("doFastTracking", True)
+
+        if 'InDetEtaDependentCutsSvc' not in kwargs :
+            from InDetConfig.InDetEtaDependentCutsConfig import ITkEtaDependentCutsSvcCfg
+            acc.merge(ITkEtaDependentCutsSvcCfg(flags))
+            kwargs.setdefault("InDetEtaDependentCutsSvc", acc.getService("ITkEtaDependentCutsSvc"+flags.ITk.Tracking.ActivePass.extension))
+
+    acc.addEventAlgo(CompFactory.InDet.SiSPSeededTrackFinder(name+flags.ITk.Tracking.ActivePass.extension, **kwargs))
+    return acc
+
+def ITkSiSPSeededTrackFinderROIConvCfg(flags, name="ITkSiSpTrackFinderROIConv", **kwargs) :
+    from InDetConfig.InDetCaloClusterROISelectorConfig import ITkCaloClusterROIPhiRZContainerMakerCfg
+    acc = ITkCaloClusterROIPhiRZContainerMakerCfg(flags)
+
+    if "RegSelTool_Strip" not in kwargs:
+        from RegionSelector.RegSelToolConfig import regSelTool_ITkStrip_Cfg
+        kwargs.setdefault("RegSelTool_Strip", acc.popToolsAndMerge(
+            regSelTool_ITkStrip_Cfg(flags)))
+
+    kwargs.setdefault("useITkConvSeeded", True)
+    kwargs.setdefault("EMROIPhiRZContainer", "ITkCaloClusterROIPhiRZ15GeVUnordered")
+
+    acc.merge(ITkSiSPSeededTrackFinderCfg(flags, name, **kwargs))
+    return acc
diff --git a/InnerDetector/InDetConfig/python/TrackRecoConfig.py b/InnerDetector/InDetConfig/python/TrackRecoConfig.py
index 7ef3729152050c708cea0613a293f2a3e6011e28..638230d376e42162b46a516780cd9262cebefb6a 100644
--- a/InnerDetector/InDetConfig/python/TrackRecoConfig.py
+++ b/InnerDetector/InDetConfig/python/TrackRecoConfig.py
@@ -4,8 +4,14 @@ from AthenaConfiguration.ComponentAccumulator import ComponentAccumulator
 from AthenaConfiguration.ComponentFactory import CompFactory
 from AthenaConfiguration.Enums import BeamType, Format
 
+_flags_set = [] # For caching
+
 def CombinedTrackingPassFlagSets(flags):
 
+    global _flags_set
+    if _flags_set:
+        return _flags_set
+
     flags_set = []
 
     # Primary Pass
@@ -70,6 +76,8 @@ def CombinedTrackingPassFlagSets(flags):
         flagsBeamGas = flags.cloneAndReplace("InDet.Tracking.ActivePass", "InDet.Tracking.BeamGasPass")
         flags_set += [flagsBeamGas]
 
+    _flags_set = flags_set # Put into cache 
+
     return flags_set
 
 def ClusterSplitProbabilityContainerName(flags):
diff --git a/InnerDetector/InDetConfig/python/TrackingSiPatternConfig.py b/InnerDetector/InDetConfig/python/TrackingSiPatternConfig.py
index fc18bd5b8a5526a066cbf414e19e146bcd27ab50..bde776eaa0cc0ad99afd6d635ef0445a9529c978 100644
--- a/InnerDetector/InDetConfig/python/TrackingSiPatternConfig.py
+++ b/InnerDetector/InDetConfig/python/TrackingSiPatternConfig.py
@@ -1,55 +1,5 @@
 # Copyright (C) 2002-2022 CERN for the benefit of the ATLAS collaboration
 from AthenaConfiguration.ComponentAccumulator import ComponentAccumulator
-from AthenaConfiguration.ComponentFactory import CompFactory
-
-def SiSPSeededTrackFinderCfg(flags, name="InDetSiSpTrackFinder", **kwargs) :
-    acc = ComponentAccumulator()
-
-    from TrkConfig.TrkExRungeKuttaPropagatorConfig import InDetPropagatorCfg
-    InDetPropagator = acc.popToolsAndMerge(InDetPropagatorCfg(flags))
-    acc.addPublicTool(InDetPropagator)
-
-    #
-    # --- Setup Track finder using space points seeds
-    #
-    from InDetConfig.SiTrackMakerConfig import SiTrackMaker_xkCfg
-    kwargs.setdefault("TrackTool", acc.popToolsAndMerge(SiTrackMaker_xkCfg(flags)))
-    kwargs.setdefault("PropagatorTool", InDetPropagator)
-    from TrkConfig.TrkTrackSummaryToolConfig import InDetTrackSummaryToolNoHoleSearchCfg
-    kwargs.setdefault("TrackSummaryTool", acc.popToolsAndMerge(InDetTrackSummaryToolNoHoleSearchCfg(flags)))
-
-    if "SeedsTool" not in kwargs:
-        from InDetConfig.SiSpacePointsSeedToolConfig import SiSpacePointsSeedMakerCfg
-        kwargs.setdefault("SeedsTool", acc.popToolsAndMerge(
-            SiSpacePointsSeedMakerCfg(flags)))
-
-    kwargs.setdefault("useMBTSTimeDiff", flags.Reco.EnableHI) # Heavy-ion config
-
-    if flags.InDet.Tracking.ActivePass.usePrdAssociationTool:
-        # not all classes have that property !!!
-        kwargs.setdefault("PRDtoTrackMap", 'InDetPRDtoTrackMap'+ flags.InDet.Tracking.ActivePass.extension)
-
-    if flags.InDet.Tracking.ActivePass.extension == "Forward":
-        kwargs.setdefault("useZvertexTool", flags.Reco.EnableHI) # For heavy-ion
-        kwargs.setdefault("useZBoundFinding", False)
-    else:
-        kwargs.setdefault("useZvertexTool", flags.Reco.EnableHI) # For heavy-ion
-        kwargs.setdefault("useZBoundFinding", flags.InDet.Tracking.ActivePass.doZBoundary)
-    
-    #
-    # --- Z-coordinates primary vertices finder (only for collisions)
-    #
-    if kwargs["useZvertexTool"] and "ZvertexTool" not in kwargs:
-        from InDetConfig.SiZvertexToolConfig import SiZvertexMaker_xkCfg
-        kwargs.setdefault("ZvertexTool", acc.popToolsAndMerge(
-            SiZvertexMaker_xkCfg(flags)))
-
-    if flags.Reco.EnableHI:
-        kwargs.setdefault("FreeClustersCut",2) #Heavy Ion optimization from Igor
-
-    InDetSiSPSeededTrackFinder = CompFactory.InDet.SiSPSeededTrackFinder(name = name+flags.InDet.Tracking.ActivePass.extension, **kwargs)
-    acc.addEventAlgo(InDetSiSPSeededTrackFinder)
-    return acc
 
 # ------------------------------------------------------------
 #
@@ -77,8 +27,9 @@ def TrackingSiPatternCfg(flags,
     #
     # ------------------------------------------------------------
 
-    acc.merge(SiSPSeededTrackFinderCfg( flags,
-                                        TracksLocation = SiSPSeededTrackCollectionKey))
+    from InDetConfig.SiSPSeededTrackFinderConfig import SiSPSeededTrackFinderCfg
+    acc.merge(SiSPSeededTrackFinderCfg(flags,
+                                       TracksLocation = SiSPSeededTrackCollectionKey))
 
     # ------------------------------------------------------------
     #
@@ -87,9 +38,9 @@ def TrackingSiPatternCfg(flags,
     # ------------------------------------------------------------
 
     from TrkConfig.TrkAmbiguitySolverConfig import TrkAmbiguityScoreCfg, TrkAmbiguitySolverCfg
-    acc.merge(TrkAmbiguityScoreCfg( flags,
-                                    SiSPSeededTrackCollectionKey = SiSPSeededTrackCollectionKey,
-                                    ClusterSplitProbContainer = ClusterSplitProbContainer))
+    acc.merge(TrkAmbiguityScoreCfg(flags,
+                                   SiSPSeededTrackCollectionKey = SiSPSeededTrackCollectionKey,
+                                   ClusterSplitProbContainer = ClusterSplitProbContainer))
 
     acc.merge(TrkAmbiguitySolverCfg(flags,
                                     ResolvedTrackCollectionKey = ResolvedTrackCollectionKey,
diff --git a/Tracking/TrkConfig/python/TrkCollectionAliasAlgConfig.py b/Tracking/TrkConfig/python/TrkCollectionAliasAlgConfig.py
new file mode 100644
index 0000000000000000000000000000000000000000..b5d77f5d7703a61ce933843820257e773a88f161
--- /dev/null
+++ b/Tracking/TrkConfig/python/TrkCollectionAliasAlgConfig.py
@@ -0,0 +1,9 @@
+# Copyright (C) 2002-2022 CERN for the benefit of the ATLAS collaboration
+# Configuration of TrkCollectionAliasAlg package
+from AthenaConfiguration.ComponentAccumulator import ComponentAccumulator
+from AthenaConfiguration.ComponentFactory import CompFactory
+
+def CopyAlgForAmbiCfg(flags, name="CopyAlgForAmbi", **kwargs) :
+    acc = ComponentAccumulator()
+    acc.addEventAlgo(CompFactory.Trk.TrkCollectionAliasAlg(name, **kwargs))
+    return acc