diff --git a/src/lagrangian/intermediate/submodels/Kinematic/InjectionModel/InjectionModel/InjectionModel.C b/src/lagrangian/intermediate/submodels/Kinematic/InjectionModel/InjectionModel/InjectionModel.C
index a532285716..1c10870726 100644
--- a/src/lagrangian/intermediate/submodels/Kinematic/InjectionModel/InjectionModel/InjectionModel.C
+++ b/src/lagrangian/intermediate/submodels/Kinematic/InjectionModel/InjectionModel/InjectionModel.C
@@ -26,6 +26,7 @@ License
 #include "InjectionModel.H"
 #include "mathematicalConstants.H"
 #include "meshTools.H"
+#include "volFields.H"
 
 using namespace Foam::constant::mathematical;
 
diff --git a/src/lagrangian/intermediate/submodels/Kinematic/InjectionModel/InjectionModel/InjectionModel.H b/src/lagrangian/intermediate/submodels/Kinematic/InjectionModel/InjectionModel/InjectionModel.H
index d626a9ae25..30a2c97b16 100644
--- a/src/lagrangian/intermediate/submodels/Kinematic/InjectionModel/InjectionModel/InjectionModel.H
+++ b/src/lagrangian/intermediate/submodels/Kinematic/InjectionModel/InjectionModel/InjectionModel.H
@@ -52,6 +52,7 @@ SourceFiles
 #include "autoPtr.H"
 #include "runTimeSelectionTables.H"
 #include "SubModelBase.H"
+#include "vector.H"
 
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
diff --git a/tutorials/combustion/reactingFoam/ras/counterFlowFlame2D/constant/combustionProperties b/tutorials/combustion/reactingFoam/ras/counterFlowFlame2D/constant/combustionProperties
index 41c94a4fc1..f93dafc843 100644
--- a/tutorials/combustion/reactingFoam/ras/counterFlowFlame2D/constant/combustionProperties
+++ b/tutorials/combustion/reactingFoam/ras/counterFlowFlame2D/constant/combustionProperties
@@ -19,11 +19,6 @@ combustionModel  PaSR<psiChemistryCombustionModel>;
 
 active  true;
 
-infinitelyFastChemistryCoeffs
-{
-    C       10.0;
-}
-
 PaSRCoeffs
 {
     Cmix                Cmix [ 0 0 0 0 0 0 0 ] 0.1;