diff --git a/Event/LumiEvent/include/Event/LumiSummaryOffsets_V0.h b/Event/LumiEvent/include/Event/LumiSummaryOffsets_V0.h
deleted file mode 100644
index 8f6558067717d9b4fa06b03e0b993cb77d7e29d2..0000000000000000000000000000000000000000
--- a/Event/LumiEvent/include/Event/LumiSummaryOffsets_V0.h
+++ /dev/null
@@ -1,75 +0,0 @@
-/*****************************************************************************\
-* (c) Copyright 2022 CERN for the benefit of the LHCb Collaboration           *
-*                                                                             *
-* This software is distributed under the terms of the Apache License          *
-* version 2 (Apache-2.0), copied verbatim in the file "COPYING".              *
-*                                                                             *
-* In applying this licence, CERN does not waive the privileges and immunities *
-* granted to it by virtue of its status as an Intergovernmental Organization  *
-* or submit itself to any jurisdiction.                                       *
-\*****************************************************************************/
-#pragma once
-
-#include <iostream>
-
-namespace LHCb {
-  namespace LumiSummaryOffsets {
-    namespace V0 {
-      enum counterOffsets : unsigned {
-        // All values are in bits - the required size of the array may be determined
-        // by dividing the largest offset by 8*sizeof(unsigned), i.e. 32, and rounding up.
-        // Fields must be contained within a single element of the array, e.g. an
-        // offset of 24 would allow for a maximum size of 8.
-        /// ODIN info
-        ODINStart      = 0,
-        t0LowSize      = 32,
-        t0LowOffset    = ODINStart + 0, // event time offset low 32 bits
-        t0HighSize     = 32,
-        t0HighOffset   = ODINStart + t0LowSize, // event time offset high 32 bits
-        bcidLowSize    = 32,
-        bcidLowOffset  = ODINStart + t0LowSize + t0HighSize, // re-mapped bcid low 32 bits
-        bcidHighSize   = 14,
-        bcidHighOffset = ODINStart + t0LowSize + t0HighSize + bcidLowSize, // re-mapped bcid high 14 bits
-        bxTypeSize     = 2,
-        bxTypeOffset   = ODINStart + t0LowSize + t0HighSize + bcidLowSize + bcidHighSize, // bunch crossing type
-        ODINEnd        = ODINStart + t0LowSize + t0HighSize + bcidLowSize + bcidHighSize + bxTypeSize,
-        /// Global Event Cut
-        GecStart  = ODINEnd,
-        GecSize   = 1,
-        GecOffset = GecStart,
-        GecEnd    = GecStart + GecSize,
-        /// Velo counters
-        VeloCountersStart  = GecEnd,
-        VeloTracksSize     = 15,
-        VeloTracksOffset   = VeloCountersStart + 0, // number of Velo tracks
-        VeloVerticesSize   = 6,
-        VeloVerticesOffset = VeloCountersStart + VeloTracksSize, // number of Velo vertices
-        VeloCountersEnd    = VeloCountersStart + VeloTracksSize + VeloVerticesSize,
-        /// RICH counters
-        RichCountersStart = VeloCountersEnd,
-        RichCountersEnd   = RichCountersStart + 0,
-        /// SciFi counters
-        SciFiCountersStart  = RichCountersEnd,
-        SciFiClustersSize   = 15,
-        SciFiClustersOffset = SciFiCountersStart + 0, // number of SciFi Clusters
-        SciFiCountersEnd    = SciFiCountersStart + SciFiClustersSize,
-        /// CALO counters
-        CaloCountersStart = SciFiCountersEnd,
-        CaloCountersEnd   = CaloCountersStart + 0,
-        /// Muon counters
-        MuonCountersStart = CaloCountersEnd,
-        M2R2Size          = 11,
-        M2R2Offset        = MuonCountersStart, // M2R2 hits
-        M2R3Size          = 11,
-        M2R3Offset        = MuonCountersStart + M2R2Size, // M2R3 hits
-        M3R2Size          = 11,
-        M3R2Offset        = MuonCountersStart + M2R2Size + M2R3Size, // M3R2 hits
-        M3R3Size          = 10,
-        M3R3Offset        = MuonCountersStart + M2R2Size + M2R3Size + M3R2Size, // M3R3 hits
-        MuonCountersEnd   = MuonCountersStart + M2R2Size + M2R3Size + M3R2Size + M3R3Size,
-        /// the largest offset rounded up to the next multiple of 32
-        TotalSize = ( ( MuonCountersEnd - 1 ) / 32 + 1 ) * 32
-      }; // enum CounterOffsets
-    }    // namespace V0
-  }      // namespace LumiSummaryOffsets
-} // namespace LHCb
diff --git a/Event/LumiEvent/include/Event/LumiSummaryOffsets_V1.h b/Event/LumiEvent/include/Event/LumiSummaryOffsets_V1.h
index 58e6d0215dea5fb98da2bed50e96ff7d9b626bc6..2460df4132249a04653fffed03309584aa924cad 100644
--- a/Event/LumiEvent/include/Event/LumiSummaryOffsets_V1.h
+++ b/Event/LumiEvent/include/Event/LumiSummaryOffsets_V1.h
@@ -49,74 +49,24 @@ namespace LHCb {
         RichCountersStart = VeloCountersEnd,
         RichCountersEnd   = RichCountersStart + 0,
         /// SciFi counters
-        SciFiCountersStart = RichCountersEnd,
-        SciFiM45S1Size     = 13,
-        SciFiM45S1Offset   = SciFiCountersStart + 0, // SciFi Clusters in M45S1
-        SciFiM45S2Size     = 13,
-        SciFiM45S2Offset   = SciFiCountersStart + SciFiM45S1Size, // SciFi Clusters in M45S2
-        SciFiM45S3Size     = 16,
-        SciFiM45S3Offset   = SciFiCountersStart + SciFiM45S1Size + SciFiM45S2Size, // SciFi Clusters in M45S3
-        SciFiClustersSize  = 16,
-        SciFiClustersOffset =
-            SciFiCountersStart + SciFiM45S1Size + SciFiM45S2Size + SciFiM45S3Size, // SciFi Clusters in M123S1
-        SciFiM123S2Size   = 16,
-        SciFiM123S2Offset = SciFiCountersStart + SciFiM45S1Size + SciFiM45S2Size + SciFiM45S3Size +
-                            SciFiClustersSize, // SciFi Clusters in M123S2
-        SciFiM123S3Size   = 16,
-        SciFiM123S3Offset = SciFiCountersStart + SciFiM45S1Size + SciFiM45S2Size + SciFiM45S3Size + SciFiClustersSize +
-                            SciFiM123S2Size, // SciFi Clusters in M123S3
-        SciFiCountersEnd = SciFiCountersStart + SciFiM45S1Size + SciFiM45S2Size + SciFiM45S3Size + SciFiClustersSize +
-                           SciFiM123S2Size + SciFiM123S3Size,
+        SciFiCountersStart  = RichCountersEnd,
+        SciFiClustersSize   = 15,
+        SciFiClustersOffset = SciFiCountersStart + 0, // number of SciFi Clusters
+        SciFiCountersEnd    = SciFiCountersStart + SciFiClustersSize,
         /// CALO counters
         CaloCountersStart = SciFiCountersEnd,
-        ECalETSize        = 16,
-        ECalETOffset      = CaloCountersStart, // ECal ET
-        // Inner layer
-        ECalEITSize   = 16,
-        ECalEITOffset = CaloCountersStart + ECalETSize, // ECal E_tot in inner top
-        ECalEIBSize   = 16,
-        ECalEIBOffset = CaloCountersStart + ECalETSize + ECalEITSize, // ECal E_tot in inner bottom
-        // Middle layer
-        ECalEMTSize   = 16,
-        ECalEMTOffset = ECalEIBOffset + ECalEIBSize, // ECal E_tot in middle top
-        ECalEMBSize   = 16,
-        ECalEMBOffset = ECalEIBOffset + ECalEIBSize + ECalEMTSize, // ECal E_tot in middle bottom
-        // Outer layer
-        ECalEOTSize     = 16,
-        ECalEOTOffset   = ECalEMBOffset + ECalEMBSize, // ECal E_tot in outer top
-        ECalEOBSize     = 16,
-        ECalEOBOffset   = ECalEMBOffset + ECalEMBSize + ECalEOTSize, // ECal E_tot in outer bottom
-        CaloCountersEnd = ECalEMBOffset + ECalEMBSize + ECalEOTSize + ECalEOBSize,
+        CaloCountersEnd   = CaloCountersStart + 0,
         /// Muon counters
         MuonCountersStart = CaloCountersEnd,
-        // M2
-        M2R1Size   = 16,
-        M2R1Offset = MuonCountersStart, // M2R1 hits
-        M2R2Size   = 16,
-        M2R2Offset = MuonCountersStart + M2R1Size, // M2R2 hits
-        M2R3Size   = 16,
-        M2R3Offset = MuonCountersStart + M2R1Size + M2R2Size, // M2R3 hits
-        M2R4Size   = 11,
-        M2R4Offset = MuonCountersStart + M2R1Size + M2R2Size + M2R3Size, // M2R4 hits
-        // M3
-        M3R1Size   = 11,
-        M3R1Offset = M2R4Offset + M2R4Size, // M3R1 hits
-        M3R2Size   = 10,
-        M3R2Offset = M2R4Offset + M2R4Size + M3R1Size, // M3R2 hits
-        M3R3Size   = 11,
-        M3R3Offset = M2R4Offset + M2R4Size + M3R1Size + M3R2Size, // M3R3 hits
-        M3R4Size   = 11,
-        M3R4Offset = M2R4Offset + M2R4Size + M3R1Size + M3R2Size + M3R3Size, // M3R4 hits
-        // M4
-        M4R1Size        = 10,
-        M4R1Offset      = M3R4Offset + M3R4Size, // M4R1 hits
-        M4R2Size        = 11,
-        M4R2Offset      = M3R4Offset + M3R4Size + M4R1Size, // M4R2 hits
-        M4R3Size        = 11,
-        M4R3Offset      = M3R4Offset + M3R4Size + M4R1Size + M4R2Size, // M4R3 hits
-        M4R4Size        = 10,
-        M4R4Offset      = M3R4Offset + M3R4Size + M4R1Size + M4R2Size + M4R3Size, // M4R4 hits
-        MuonCountersEnd = M4R4Offset + M4R4Size,
+        M2R2Size          = 11,
+        M2R2Offset        = MuonCountersStart, // M2R2 hits
+        M2R3Size          = 11,
+        M2R3Offset        = MuonCountersStart + M2R2Size, // M2R3 hits
+        M3R2Size          = 11,
+        M3R2Offset        = MuonCountersStart + M2R2Size + M2R3Size, // M3R2 hits
+        M3R3Size          = 10,
+        M3R3Offset        = MuonCountersStart + M2R2Size + M2R3Size + M3R2Size, // M3R3 hits
+        MuonCountersEnd   = MuonCountersStart + M2R2Size + M2R3Size + M3R2Size + M3R3Size,
         /// the largest offset rounded up to the next multiple of 32
         TotalSize = ( ( MuonCountersEnd - 1 ) / 32 + 1 ) * 32
       }; // enum CounterOffsets