From 576757a136926f747761bfc82daa0e02c6ee549c Mon Sep 17 00:00:00 2001
From: ariffero <andrea.giovanni.riffero@cern.ch>
Date: Wed, 3 Jun 2026 14:26:55 +0200
Subject: [PATCH 1/2] Change subscription of processData

Do not subscribe to MC info in data workflow.
---
 PWGUD/Tasks/ptSpectraInclusiveUpc.cxx | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/PWGUD/Tasks/ptSpectraInclusiveUpc.cxx b/PWGUD/Tasks/ptSpectraInclusiveUpc.cxx
index 8ddaff46569..7e93d932912 100644
--- a/PWGUD/Tasks/ptSpectraInclusiveUpc.cxx
+++ b/PWGUD/Tasks/ptSpectraInclusiveUpc.cxx
@@ -59,10 +59,12 @@ struct PtSpectraInclusiveUpc {
   Preslice<aod::Tracks> perCollision = aod::track::collisionId;
   Preslice<o2::aod::McParticles> perMcCollision = o2::aod::mcparticle::mcCollisionId;
   // define abbreviations
-  using CCs = soa::Join<aod::UDCollisions, aod::UDCollisionsSels, aod::UDMcCollsLabels>;
+  using CCs = soa::Join<aod::UDCollisions, aod::UDCollisionsSels>;
   using CC = CCs::iterator;
-  using TCs = soa::Join<aod::UDTracks, aod::UDTracksPID, aod::UDTracksExtra, aod::UDTracksFlags, aod::UDTracksDCA, aod::UDMcTrackLabels>;
-  using TC = TCs::iterator;
+  using CCMCs = soa::Join<aod::UDCollisions, aod::UDCollisionsSels, aod::UDMcCollsLabels>;
+  using CCMC = CCMCs::iterator;
+  using TCs = soa::Join<aod::UDTracks, aod::UDTracksPID, aod::UDTracksExtra, aod::UDTracksFlags, aod::UDTracksDCA>;
+  using TCMCs = soa::Join<aod::UDTracks, aod::UDTracksPID, aod::UDTracksExtra, aod::UDTracksFlags, aod::UDTracksDCA, aod::UDMcTrackLabels>;
 
   const double etaMax = 0.9;
   const double yMax = 0.9;
@@ -153,7 +155,7 @@ struct PtSpectraInclusiveUpc {
     }
   }
 
-  void processReco(CC const&, TCs const& tracks, aod::UDMcParticles const&)
+  void processReco(CCMC const&, TCMCs const& tracks, aod::UDMcParticles const&)
   {
 
     double dcaXyLimit = 0;

From 2f83758a8ccea2d1879f7f3a29f5d733e4f9a460 Mon Sep 17 00:00:00 2001
From: ariffero <andrea.giovanni.riffero@cern.ch>
Date: Thu, 4 Jun 2026 11:54:14 +0200
Subject: [PATCH 2/2] Remove unused Preslice

---
 PWGUD/Tasks/ptSpectraInclusiveUpc.cxx | 2 --
 1 file changed, 2 deletions(-)

diff --git a/PWGUD/Tasks/ptSpectraInclusiveUpc.cxx b/PWGUD/Tasks/ptSpectraInclusiveUpc.cxx
index 7e93d932912..f4523ae3135 100644
--- a/PWGUD/Tasks/ptSpectraInclusiveUpc.cxx
+++ b/PWGUD/Tasks/ptSpectraInclusiveUpc.cxx
@@ -56,8 +56,6 @@ struct PtSpectraInclusiveUpc {
   Configurable<int> nBinsDCAxy{"nBinsDCAxy", 100, "N bins in DCA_{xy} histos"};
   Configurable<bool> applyKineCutsInGen{"applyKineCutsInGen", false, "Apply kinematic cuts in the generated level"};
 
-  Preslice<aod::Tracks> perCollision = aod::track::collisionId;
-  Preslice<o2::aod::McParticles> perMcCollision = o2::aod::mcparticle::mcCollisionId;
   // define abbreviations
   using CCs = soa::Join<aod::UDCollisions, aod::UDCollisionsSels>;
   using CC = CCs::iterator;