diff --git a/applications/solvers/lagrangian/reactingParcelFoam/LTSReactingParcelFoam/LTSReactingParcelFoam.C b/applications/solvers/lagrangian/reactingParcelFoam/LTSReactingParcelFoam/LTSReactingParcelFoam.C
index 0841d458b41a1597173f5172812ac2296dfbe197..fabb0bba6090f482877f029a4e97cab13fad88a2 100644
--- a/applications/solvers/lagrangian/reactingParcelFoam/LTSReactingParcelFoam/LTSReactingParcelFoam.C
+++ b/applications/solvers/lagrangian/reactingParcelFoam/LTSReactingParcelFoam/LTSReactingParcelFoam.C
@@ -59,7 +59,6 @@ int main(int argc, char *argv[])
     pimpleControl pimple(mesh);
 
     #include "readTimeControls.H"
-    #include "readAdditionalSolutionControls.H"
     #include "createFields.H"
     #include "createRDeltaT.H"
     #include "createRadiationModel.H"
@@ -74,7 +73,6 @@ int main(int argc, char *argv[])
 
     while (runTime.run())
     {
-        #include "readAdditionalSolutionControls.H"
         #include "readTimeControls.H"
 
         runTime++;
diff --git a/applications/solvers/lagrangian/reactingParcelFoam/YEqn.H b/applications/solvers/lagrangian/reactingParcelFoam/YEqn.H
index 8ef6c610dd4b32377284fc14099e53d836ede6f6..a22267d9be2706d4bcc01fc2562436e41b567c64 100644
--- a/applications/solvers/lagrangian/reactingParcelFoam/YEqn.H
+++ b/applications/solvers/lagrangian/reactingParcelFoam/YEqn.H
@@ -9,11 +9,9 @@ tmp<fv::convectionScheme<scalar> > mvConvection
     )
 );
 
-combustion->correct();
-dQ = combustion->dQ();
-
-if (solveSpecies)
 {
+    combustion->correct();
+    dQ = combustion->dQ();
     label inertIndex = -1;
     volScalarField Yt(0.0*Y[0]);
 
diff --git a/applications/solvers/lagrangian/reactingParcelFoam/reactingParcelFoam.C b/applications/solvers/lagrangian/reactingParcelFoam/reactingParcelFoam.C
index d1c735f658f59c830523a38684c8810eb481171e..8ef6838c597de6b67c85ee7175f0a64643f44319 100644
--- a/applications/solvers/lagrangian/reactingParcelFoam/reactingParcelFoam.C
+++ b/applications/solvers/lagrangian/reactingParcelFoam/reactingParcelFoam.C
@@ -78,7 +78,6 @@ int main(int argc, char *argv[])
     while (runTime.run())
     {
         #include "readTimeControls.H"
-        #include "readAdditionalSolutionControls.H"
         #include "compressibleCourantNo.H"
         #include "setDeltaT.H"
 
diff --git a/applications/solvers/lagrangian/reactingParcelFoam/readAdditionalSolutionControls.H b/applications/solvers/lagrangian/reactingParcelFoam/readAdditionalSolutionControls.H
deleted file mode 100644
index d04dfc406d1e0c43c8171200e58f2fd36258f752..0000000000000000000000000000000000000000
--- a/applications/solvers/lagrangian/reactingParcelFoam/readAdditionalSolutionControls.H
+++ /dev/null
@@ -1,4 +0,0 @@
-dictionary additional = mesh.solutionDict().subDict("additional");
-
-// flag to activate solve transport for each specie (Y vector)
-bool solveSpecies = additional.lookupOrDefault("solveSpecies", true);
diff --git a/applications/solvers/lagrangian/sprayFoam/sprayEngineFoam/sprayEngineFoam.C b/applications/solvers/lagrangian/sprayFoam/sprayEngineFoam/sprayEngineFoam.C
index 06ed6e1c2bbf9c839180c3fd357d6e8d88c7fc3c..1b4f46289fc47944ded482c15f62e95ed66f06c7 100644
--- a/applications/solvers/lagrangian/sprayFoam/sprayEngineFoam/sprayEngineFoam.C
+++ b/applications/solvers/lagrangian/sprayFoam/sprayEngineFoam/sprayEngineFoam.C
@@ -60,7 +60,6 @@ int main(int argc, char *argv[])
     #include "startSummary.H"
 
     pimpleControl pimple(mesh);
-    bool solveSpecies = true;
 
     // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
diff --git a/applications/solvers/lagrangian/sprayFoam/sprayFoam.C b/applications/solvers/lagrangian/sprayFoam/sprayFoam.C
index 78713032f3c9ec99da2bb52d5bbd9cd186cf18c9..02739bda71d304101f85f9336aa05d17124a0c05 100644
--- a/applications/solvers/lagrangian/sprayFoam/sprayFoam.C
+++ b/applications/solvers/lagrangian/sprayFoam/sprayFoam.C
@@ -57,7 +57,6 @@ int main(int argc, char *argv[])
     #include "setInitialDeltaT.H"
 
     pimpleControl pimple(mesh);
-    bool solveSpecies = true;
 
     // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //