diff --git a/tutorials/combustion/fireFoam/les/oppositeBurningPanels/constant/thermophysicalProperties b/tutorials/combustion/fireFoam/les/oppositeBurningPanels/constant/thermophysicalProperties
index 3ba7ea1f9a..75b4ff3782 100644
--- a/tutorials/combustion/fireFoam/les/oppositeBurningPanels/constant/thermophysicalProperties
+++ b/tutorials/combustion/fireFoam/les/oppositeBurningPanels/constant/thermophysicalProperties
@@ -18,8 +18,8 @@ FoamFile
 
 thermoType hsPsiMixtureThermo<singleStepReactingMixture<gasThermoPhysics>>;
 
-
 inertSpecie N2;
+
 fuel        C3H8;
 
 chemistryReader foamChemistryReader;
@@ -29,17 +29,4 @@ foamChemistryFile "$FOAM_CASE/constant/reactions";
 foamChemistryThermoFile "$FOAM_CASE/constant/thermo.compressibleGas";
 
 
-liquids
-{
-    liquidComponents
-    ();
-
-    H2O             H2O defaultCoeffs;
-}
-
-
-solids
-{
-    solidComponents
-    ();
-}
+// ************************************************************************* //
diff --git a/tutorials/combustion/fireFoam/les/smallPoolFire2D/constant/thermophysicalProperties b/tutorials/combustion/fireFoam/les/smallPoolFire2D/constant/thermophysicalProperties
index 495d3057e1..82ca4e8c0c 100644
--- a/tutorials/combustion/fireFoam/les/smallPoolFire2D/constant/thermophysicalProperties
+++ b/tutorials/combustion/fireFoam/les/smallPoolFire2D/constant/thermophysicalProperties
@@ -18,6 +18,7 @@ FoamFile
 thermoType hsPsiMixtureThermo<singleStepReactingMixture<gasThermoPhysics>>;
 
 inertSpecie N2;
+
 fuel        CH4;
 
 chemistryReader foamChemistryReader;
@@ -26,12 +27,5 @@ foamChemistryFile "$FOAM_CASE/constant/reactions";
 
 foamChemistryThermoFile "$FOAM_CASE/constant/thermo.compressibleGas";
 
-liquids
-{
-    liquidComponents
-    ();
-
-    H2O             H2O defaultCoeffs;
-}
 
 // ************************************************************************* //
diff --git a/tutorials/combustion/fireFoam/les/smallPoolFire3D/constant/thermophysicalProperties b/tutorials/combustion/fireFoam/les/smallPoolFire3D/constant/thermophysicalProperties
index 495d3057e1..82ca4e8c0c 100644
--- a/tutorials/combustion/fireFoam/les/smallPoolFire3D/constant/thermophysicalProperties
+++ b/tutorials/combustion/fireFoam/les/smallPoolFire3D/constant/thermophysicalProperties
@@ -18,6 +18,7 @@ FoamFile
 thermoType hsPsiMixtureThermo<singleStepReactingMixture<gasThermoPhysics>>;
 
 inertSpecie N2;
+
 fuel        CH4;
 
 chemistryReader foamChemistryReader;
@@ -26,12 +27,5 @@ foamChemistryFile "$FOAM_CASE/constant/reactions";
 
 foamChemistryThermoFile "$FOAM_CASE/constant/thermo.compressibleGas";
 
-liquids
-{
-    liquidComponents
-    ();
-
-    H2O             H2O defaultCoeffs;
-}
 
 // ************************************************************************* //