diff --git a/HLTrigger/Configuration/python/HLT_75e33/sequences/HLTHgcalTiclPFClusteringForEgammaUnseededSequence_cfi.py b/HLTrigger/Configuration/python/HLT_75e33/sequences/HLTHgcalTiclPFClusteringForEgammaUnseededSequence_cfi.py
index 40e2a2f40dab1..55bf8fd3f4bc5 100644
--- a/HLTrigger/Configuration/python/HLT_75e33/sequences/HLTHgcalTiclPFClusteringForEgammaUnseededSequence_cfi.py
+++ b/HLTrigger/Configuration/python/HLT_75e33/sequences/HLTHgcalTiclPFClusteringForEgammaUnseededSequence_cfi.py
@@ -14,5 +14,17 @@
 from ..modules.ticlLayerTileProducer_cfi import *
 from ..modules.ticlSeedingGlobal_cfi import *
 from ..modules.ticlTrackstersCLUE3DHigh_cfi import *
+from ..modules.hltHgcalSoARecHitsProducer_cfi import *
+from ..modules.hltHgcalSoARecHitsLayerClustersProducer_cfi import *
+from ..modules.hltHgcalSoALayerClustersProducer_cfi import *
+from ..modules.hltHgcalLayerClustersFromSoAProducer_cfi import *
 
 HLTHgcalTiclPFClusteringForEgammaUnseededSequence = cms.Sequence(hgcalDigis+HGCalUncalibRecHit+HGCalRecHit+particleFlowRecHitHGC+hgcalLayerClustersEE+hgcalLayerClustersHSci+hgcalLayerClustersHSi+hgcalMergeLayerClusters+filteredLayerClustersCLUE3DHigh+ticlSeedingGlobal+ticlLayerTileProducer+ticlTrackstersCLUE3DHigh+particleFlowClusterHGCalFromTICLUnseeded+particleFlowSuperClusterHGCalFromTICLUnseeded)
+
+_HLTHgcalTiclPFClusteringForEgammaUnseededSequence_heterogeneous = cms.Sequence(hgcalDigis+HGCalUncalibRecHit+HGCalRecHit+particleFlowRecHitHGC+hltHgcalSoARecHitsProducer+hltHgcalSoARecHitsLayerClustersProducer+hltHgcalSoALayerClustersProducer+hltHgCalLayerClustersFromSoAProducer+hgcalLayerClustersHSci+hgcalLayerClustersHSi+hgcalMergeLayerClusters+filteredLayerClustersCLUE3DHigh+ticlSeedingGlobal+ticlLayerTileProducer+ticlTrackstersCLUE3DHigh+particleFlowClusterHGCalFromTICLUnseeded+particleFlowSuperClusterHGCalFromTICLUnseeded)
+
+from Configuration.ProcessModifiers.alpaka_cff import alpaka
+alpaka.toReplaceWith(HLTHgcalTiclPFClusteringForEgammaUnseededSequence, _HLTHgcalTiclPFClusteringForEgammaUnseededSequence_heterogeneous)
+alpaka.toModify(hgcalMergeLayerClusters,
+        layerClustersEE = cms.InputTag("hltHgCalLayerClustersFromSoAProducer"),
+        time_layerclustersEE = cms.InputTag("hltHgCalLayerClustersFromSoAProducer", "timeLayerCluster"))