diff --git a/src/thermophysicalModels/chemistryModel/chemistryModel/tabulation/ISAT/ISAT.C b/src/thermophysicalModels/chemistryModel/chemistryModel/tabulation/ISAT/ISAT.C
index a0e5b9074c..460506337a 100644
--- a/src/thermophysicalModels/chemistryModel/chemistryModel/tabulation/ISAT/ISAT.C
+++ b/src/thermophysicalModels/chemistryModel/chemistryModel/tabulation/ISAT/ISAT.C
@@ -347,7 +347,6 @@ void Foam::chemistryTabulationMethods::ISAT<ThermoType>::computeA
     scalarSquareMatrix& A,
     const scalarField& Rphiq,
     const label li,
-    const scalar rhoi,
     const scalar dt
 )
 {
@@ -492,7 +491,6 @@ Foam::label Foam::chemistryTabulationMethods::ISAT<ThermoType>::add
     const scalarField& phiq,
     const scalarField& Rphiq,
     const label li,
-    const scalar rho,
     const scalar deltaT
 )
 {
@@ -584,7 +582,7 @@ Foam::label Foam::chemistryTabulationMethods::ISAT<ThermoType>::add
     // Compute the A matrix needed to store the chemPoint.
     const label ASize = chemistry_.nEqns() + 1;
     scalarSquareMatrix A(ASize, Zero);
-    computeA(A, Rphiq, li, rho, deltaT);
+    computeA(A, Rphiq, li, deltaT);
 
     chemisTree().insertNewLeaf
     (
diff --git a/src/thermophysicalModels/chemistryModel/chemistryModel/tabulation/ISAT/ISAT.H b/src/thermophysicalModels/chemistryModel/chemistryModel/tabulation/ISAT/ISAT.H
index 39de603239..61b048bad6 100644
--- a/src/thermophysicalModels/chemistryModel/chemistryModel/tabulation/ISAT/ISAT.H
+++ b/src/thermophysicalModels/chemistryModel/chemistryModel/tabulation/ISAT/ISAT.H
@@ -197,7 +197,6 @@ class ISAT
             scalarSquareMatrix& A,
             const scalarField& Rphiq,
             const label li,
-            const scalar rho,
             const scalar dt
         );
 
@@ -273,7 +272,6 @@ public:
             const scalarField& phiq,
             const scalarField& Rphiq,
             const label li,
-            const scalar rho,
             const scalar deltaT
         );
 
diff --git a/src/thermophysicalModels/chemistryModel/chemistryModel/tabulation/chemistryTabulationMethod/chemistryTabulationMethod.H b/src/thermophysicalModels/chemistryModel/chemistryModel/tabulation/chemistryTabulationMethod/chemistryTabulationMethod.H
index bcea0c4bb6..a942fedf1d 100644
--- a/src/thermophysicalModels/chemistryModel/chemistryModel/tabulation/chemistryTabulationMethod/chemistryTabulationMethod.H
+++ b/src/thermophysicalModels/chemistryModel/chemistryModel/tabulation/chemistryTabulationMethod/chemistryTabulationMethod.H
@@ -2,7 +2,7 @@
   =========                 |
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     | Website:  https://openfoam.org
-    \\  /    A nd           | Copyright (C) 2016-2021 OpenFOAM Foundation
+    \\  /    A nd           | Copyright (C) 2016-2022 OpenFOAM Foundation
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
 License
@@ -124,7 +124,6 @@ public:
             const scalarField& phiQ,
             const scalarField& RphiQ,
             const label li,
-            const scalar rho,
             const scalar deltaT
         ) = 0;
 
diff --git a/src/thermophysicalModels/chemistryModel/chemistryModel/tabulation/noChemistryTabulation/noChemistryTabulation.H b/src/thermophysicalModels/chemistryModel/chemistryModel/tabulation/noChemistryTabulation/noChemistryTabulation.H
index 5320a28563..93cb9737d8 100644
--- a/src/thermophysicalModels/chemistryModel/chemistryModel/tabulation/noChemistryTabulation/noChemistryTabulation.H
+++ b/src/thermophysicalModels/chemistryModel/chemistryModel/tabulation/noChemistryTabulation/noChemistryTabulation.H
@@ -2,7 +2,7 @@
   =========                 |
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     | Website:  https://openfoam.org
-    \\  /    A nd           | Copyright (C) 2016-2021 OpenFOAM Foundation
+    \\  /    A nd           | Copyright (C) 2016-2022 OpenFOAM Foundation
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
 License
@@ -104,7 +104,6 @@ public:
             const scalarField& phiq,
             const scalarField& Rphiq,
             const label li,
-            const scalar rho,
             const scalar deltaT
         )
         {