diff --git a/PWGHF/D2H/Macros/runMassFitter.C b/PWGHF/D2H/Macros/runMassFitter.C
index 3b05aa6f9ed..b208e2dbf46 100644
--- a/PWGHF/D2H/Macros/runMassFitter.C
+++ b/PWGHF/D2H/Macros/runMassFitter.C
@@ -38,6 +38,7 @@
 #include <RtypesCore.h>
 
 #include <algorithm>
+#include <array>
 #include <cmath>
 #include <cstdio>
 #include <functional>
diff --git a/PWGHF/D2H/Tasks/taskFlowCharmHadrons.cxx b/PWGHF/D2H/Tasks/taskFlowCharmHadrons.cxx
index 5279d032a1b..c2166cca266 100644
--- a/PWGHF/D2H/Tasks/taskFlowCharmHadrons.cxx
+++ b/PWGHF/D2H/Tasks/taskFlowCharmHadrons.cxx
@@ -52,6 +52,7 @@
 #include <cmath>
 #include <cstdint>
 #include <cstdlib>
+#include <numeric>
 #include <string>
 #include <vector>
 
diff --git a/PWGHF/D2H/Tasks/taskLc.cxx b/PWGHF/D2H/Tasks/taskLc.cxx
index 805ae3f05ed..0334f01ada9 100644
--- a/PWGHF/D2H/Tasks/taskLc.cxx
+++ b/PWGHF/D2H/Tasks/taskLc.cxx
@@ -32,7 +32,6 @@
 #include "Common/Core/RecoDecay.h"
 #include "Common/DataModel/Centrality.h"
 #include "Common/DataModel/EventSelection.h"
-#include "Common/DataModel/Multiplicity.h"
 
 #include <CCDB/BasicCCDBManager.h>
 #include <CommonConstants/PhysicsConstants.h>
@@ -45,7 +44,6 @@
 #include <Framework/HistogramSpec.h>
 #include <Framework/InitContext.h>
 #include <Framework/Logger.h>
-#include <Framework/OutputObjHeader.h>
 #include <Framework/runDataProcessing.h>
 
 #include <THnSparse.h>
diff --git a/PWGHF/D2H/Tasks/taskUpcLc.cxx b/PWGHF/D2H/Tasks/taskUpcLc.cxx
index fcf2200a1e3..33a84e3c4c5 100644
--- a/PWGHF/D2H/Tasks/taskUpcLc.cxx
+++ b/PWGHF/D2H/Tasks/taskUpcLc.cxx
@@ -17,7 +17,6 @@
 /// \author Ran Tu <ran.tu@cern.ch>, Fudan University
 
 #include "PWGHF/Core/CentralityEstimation.h"
-#include "PWGHF/Core/DecayChannels.h"
 #include "PWGHF/Core/HfHelper.h"
 #include "PWGHF/Core/SelectorCuts.h"
 #include "PWGHF/DataModel/AliasTables.h"
@@ -29,12 +28,11 @@
 #include "PWGUD/Core/SGSelector.h"
 #include "PWGUD/Core/UPCHelpers.h"
 
-#include "Common/Core/RecoDecay.h"
 #include "Common/DataModel/EventSelection.h"
 #include "Common/DataModel/Multiplicity.h"
 
 #include <CCDB/BasicCCDBManager.h>
-#include <CommonConstants/PhysicsConstants.h>
+#include <CommonDataFormat/TimeStamp.h>
 #include <Framework/ASoA.h>
 #include <Framework/AnalysisDataModel.h>
 #include <Framework/AnalysisHelpers.h>
@@ -44,12 +42,9 @@
 #include <Framework/HistogramSpec.h>
 #include <Framework/InitContext.h>
 #include <Framework/Logger.h>
-#include <Framework/OutputObjHeader.h>
 #include <Framework/runDataProcessing.h>
 #include <ReconstructionDataFormats/Vertex.h>
 
-#include <TPDGCode.h>
-
 #include <array>
 #include <cmath>
 #include <numeric>
diff --git a/PWGHF/HFC/TableProducer/correlatorLcScHadrons.cxx b/PWGHF/HFC/TableProducer/correlatorLcScHadrons.cxx
index c29493df4a0..2818dc75f98 100644
--- a/PWGHF/HFC/TableProducer/correlatorLcScHadrons.cxx
+++ b/PWGHF/HFC/TableProducer/correlatorLcScHadrons.cxx
@@ -54,6 +54,8 @@
 #include <Framework/runDataProcessing.h>
 #include <ReconstructionDataFormats/PID.h>
 
+#include <Math/Vector4D.h> // IWYU pragma: keep (do not replace with Math/Vector4Dfwd.h)
+#include <Math/Vector4Dfwd.h>
 #include <TPDGCode.h>
 #include <TRandom3.h>
 
diff --git a/PWGHF/TableProducer/candidateCreatorXic0Omegac0.cxx b/PWGHF/TableProducer/candidateCreatorXic0Omegac0.cxx
index 3aa743aeeca..ecf43e86a6d 100644
--- a/PWGHF/TableProducer/candidateCreatorXic0Omegac0.cxx
+++ b/PWGHF/TableProducer/candidateCreatorXic0Omegac0.cxx
@@ -28,6 +28,7 @@
 #include "PWGHF/DataModel/TrackIndexSkimmingTables.h"
 #include "PWGHF/Utils/utilsBfieldCCDB.h"
 #include "PWGHF/Utils/utilsEvSelHf.h"
+//
 #include "PWGLF/DataModel/LFStrangenessTables.h"
 #include "PWGLF/DataModel/mcCentrality.h"
 
@@ -57,6 +58,7 @@
 #include <Framework/RunningWorkflowInfo.h>
 #include <Framework/runDataProcessing.h>
 #include <ReconstructionDataFormats/DCA.h>
+#include <ReconstructionDataFormats/PID.h>
 #include <ReconstructionDataFormats/Track.h>
 
 #include <TH1.h>