diff --git a/tutorials/combustion/XiDyMFoam/annularCombustorTurbine/constant/thermophysicalProperties b/tutorials/combustion/XiDyMFoam/annularCombustorTurbine/constant/thermophysicalProperties
index 3b50e446c1660488a1998e5bb29f38257a25d690..1da0332c1cbef18299dcd3dfb0bc7bb788655409 100644
--- a/tutorials/combustion/XiDyMFoam/annularCombustorTurbine/constant/thermophysicalProperties
+++ b/tutorials/combustion/XiDyMFoam/annularCombustorTurbine/constant/thermophysicalProperties
@@ -32,7 +32,6 @@ fuel
 {
     specie
     {
-        nMoles          1;
         molWeight       16.0428;
     }
     thermodynamics
@@ -58,7 +57,6 @@ oxidant
 {
     specie
     {
-        nMoles          1; //9.52305854241338;
         molWeight       28.8504;
     }
     thermodynamics
@@ -84,7 +82,6 @@ burntProducts
 {
     specie
     {
-        nMoles          1; //10.5230585424134;
         molWeight       27.6333203887463;
     }
     thermodynamics
diff --git a/tutorials/combustion/XiDyMFoam/oscillatingCylinder/constant/thermophysicalProperties b/tutorials/combustion/XiDyMFoam/oscillatingCylinder/constant/thermophysicalProperties
index fed0a75edf171742a12072e7392c562332cb2639..ee3dbdbfb903f51b9a73b94e5c02094b5ef897ed 100644
--- a/tutorials/combustion/XiDyMFoam/oscillatingCylinder/constant/thermophysicalProperties
+++ b/tutorials/combustion/XiDyMFoam/oscillatingCylinder/constant/thermophysicalProperties
@@ -32,8 +32,6 @@ fuel
 {
     specie
     {
-        nMoles          1;
-
         molWeight       16.0428;
     }
     thermodynamics
@@ -48,7 +46,6 @@ fuel
         lowCpCoeffs     ( 7.78741500000000e-01   1.74766800000000e-02  -2.78340900000000e-05
                           3.04970800000000e-08  -1.22393100000000e-11  -9.82522900000000e+03
                           1.37221900000000e+01);
-
     }
     transport
     {
@@ -61,7 +58,6 @@ oxidant
 {
     specie
     {
-        nMoles          1;
         molWeight       28.8504;
     }
     thermodynamics
@@ -87,8 +83,6 @@ burntProducts
 {
     specie
     {
-        nMoles          1;
-
         molWeight       27.6333203887;
     }
     thermodynamics
diff --git a/tutorials/combustion/fireFoam/LES/compartmentFire/constant/panelRegion/thermophysicalProperties b/tutorials/combustion/fireFoam/LES/compartmentFire/constant/panelRegion/thermophysicalProperties
index 49923a206220af873fd5e225a855dc61ee18fcfb..e85a1fb13e447be1857ce8a5c725b17e7b96bea5 100755
--- a/tutorials/combustion/fireFoam/LES/compartmentFire/constant/panelRegion/thermophysicalProperties
+++ b/tutorials/combustion/fireFoam/LES/compartmentFire/constant/panelRegion/thermophysicalProperties
@@ -30,7 +30,6 @@ mixture
 {
     specie
     {
-        nMoles      1;
         molWeight   100;
     }
 
diff --git a/tutorials/combustion/fireFoam/LES/compartmentFire/constant/thermo.compressibleGas b/tutorials/combustion/fireFoam/LES/compartmentFire/constant/thermo.compressibleGas
index 785c9017659c301be1f96c3f9e5953c6f88cca3e..1af4469d392fb92664fd423f5a216bf6faf16b14 100644
--- a/tutorials/combustion/fireFoam/LES/compartmentFire/constant/thermo.compressibleGas
+++ b/tutorials/combustion/fireFoam/LES/compartmentFire/constant/thermo.compressibleGas
@@ -19,7 +19,6 @@ O2
 {
     specie
     {
-        nMoles          1;
         molWeight       31.9988;
     }
     thermodynamics
@@ -41,7 +40,6 @@ H2O
 {
     specie
     {
-        nMoles          1;
         molWeight       18.0153;
     }
     thermodynamics
@@ -63,7 +61,6 @@ C3H8
 {
     specie
     {
-        nMoles          1;
         molWeight       44.01;
     }
     thermodynamics
@@ -85,7 +82,6 @@ C7H16
 {
     specie
     {
-        nMoles      1;
         molWeight   100.204;
     }
         thermodynamics
@@ -107,7 +103,6 @@ CO2
 {
     specie
     {
-        nMoles          1;
         molWeight       44.01;
     }
     thermodynamics
@@ -129,7 +124,6 @@ N2
 {
     specie
     {
-        nMoles          1;
         molWeight       28.0134;
     }
     thermodynamics
diff --git a/tutorials/combustion/fireFoam/LES/simplePMMApanel/constant/panelRegion/thermo.solid b/tutorials/combustion/fireFoam/LES/simplePMMApanel/constant/panelRegion/thermo.solid
index 5b483941d1e73df337cad99c7c63dabdfc6f25b0..73e172a6644d336154345b7bab701d89ca9725e0 100644
--- a/tutorials/combustion/fireFoam/LES/simplePMMApanel/constant/panelRegion/thermo.solid
+++ b/tutorials/combustion/fireFoam/LES/simplePMMApanel/constant/panelRegion/thermo.solid
@@ -19,7 +19,6 @@ PMMA
 {
     specie
     {
-        nMoles      1;
         molWeight   100;
     }
     transport
diff --git a/tutorials/combustion/fireFoam/LES/simplePMMApanel/constant/panelRegion/thermophysicalProperties b/tutorials/combustion/fireFoam/LES/simplePMMApanel/constant/panelRegion/thermophysicalProperties
index d5c9a3191bfd99eebf9320a0779e7c4a03f8e97c..efdd83e143bd755ca6d18d9cb91c7aa38c888589 100644
--- a/tutorials/combustion/fireFoam/LES/simplePMMApanel/constant/panelRegion/thermophysicalProperties
+++ b/tutorials/combustion/fireFoam/LES/simplePMMApanel/constant/panelRegion/thermophysicalProperties
@@ -46,7 +46,6 @@ gas
 {
     specie
     {
-        nMoles          1;
         molWeight       18.0153;
     }
     thermodynamics
diff --git a/tutorials/combustion/fireFoam/LES/simplePMMApanel/constant/thermo.compressibleGas b/tutorials/combustion/fireFoam/LES/simplePMMApanel/constant/thermo.compressibleGas
index 6fa14f2df8f96569663069e88bbac34687fefa49..14bb2012eec2e6dd915a90032c41c7926247b040 100644
--- a/tutorials/combustion/fireFoam/LES/simplePMMApanel/constant/thermo.compressibleGas
+++ b/tutorials/combustion/fireFoam/LES/simplePMMApanel/constant/thermo.compressibleGas
@@ -19,7 +19,6 @@ O2
 {
     specie
     {
-        nMoles          1;
         molWeight       31.9988;
     }
     thermodynamics
@@ -41,7 +40,6 @@ H2O
 {
     specie
     {
-        nMoles          1;
         molWeight       18.0153;
     }
     thermodynamics
@@ -63,7 +61,6 @@ CH4
 {
     specie
     {
-        nMoles          1;
         molWeight       16.0428;
     }
     thermodynamics
@@ -85,7 +82,6 @@ CO2
 {
     specie
     {
-        nMoles          1;
         molWeight       44.01;
     }
     thermodynamics
@@ -107,7 +103,6 @@ N2
 {
     specie
     {
-        nMoles          1;
         molWeight       28.0134;
     }
     thermodynamics
@@ -129,7 +124,6 @@ C3H8
 {
     specie
     {
-        nMoles          1;
         molWeight       44.0962;
     }
     thermodynamics
@@ -151,7 +145,6 @@ CORRUGATED
 {
     specie
     {
-        nMoles          1;
         molWeight       115.82;
     }
     thermodynamics
@@ -173,7 +166,6 @@ CH2O
 {
     specie
     {
-        nMoles          1;
         molWeight       30.02628;
     }
     thermodynamics
diff --git a/tutorials/combustion/fireFoam/LES/smallPoolFire3D/constant/thermo.compressibleGas b/tutorials/combustion/fireFoam/LES/smallPoolFire3D/constant/thermo.compressibleGas
index 5740879bad285f3c95d0ac456f812d1b79f4aa4d..a905ea9e797ddcee757f2b26baa648371daca0db 100644
--- a/tutorials/combustion/fireFoam/LES/smallPoolFire3D/constant/thermo.compressibleGas
+++ b/tutorials/combustion/fireFoam/LES/smallPoolFire3D/constant/thermo.compressibleGas
@@ -124,7 +124,6 @@ CO
 {
     specie
     {
-        nMoles          1;
         molWeight       28.0106;
     }
     thermodynamics
diff --git a/tutorials/compressible/rhoPimpleFoam/RAS/TJunction/constant/thermophysicalProperties b/tutorials/compressible/rhoPimpleFoam/RAS/TJunction/constant/thermophysicalProperties
index bc9014c4fa5ff5bca7b17c51228c2ab220e5213e..547c493c34a751ec9eec4eca6d6b992855e59e48 100644
--- a/tutorials/compressible/rhoPimpleFoam/RAS/TJunction/constant/thermophysicalProperties
+++ b/tutorials/compressible/rhoPimpleFoam/RAS/TJunction/constant/thermophysicalProperties
@@ -30,7 +30,6 @@ mixture
 {
     specie
     {
-        nMoles      1;
         molWeight   28.9;
     }
     thermodynamics
diff --git a/tutorials/compressible/rhoPimpleFoam/laminar/sineWaveDamping/constant/thermophysicalProperties b/tutorials/compressible/rhoPimpleFoam/laminar/sineWaveDamping/constant/thermophysicalProperties
index bc9014c4fa5ff5bca7b17c51228c2ab220e5213e..547c493c34a751ec9eec4eca6d6b992855e59e48 100644
--- a/tutorials/compressible/rhoPimpleFoam/laminar/sineWaveDamping/constant/thermophysicalProperties
+++ b/tutorials/compressible/rhoPimpleFoam/laminar/sineWaveDamping/constant/thermophysicalProperties
@@ -30,7 +30,6 @@ mixture
 {
     specie
     {
-        nMoles      1;
         molWeight   28.9;
     }
     thermodynamics
diff --git a/tutorials/compressible/rhoSimpleFoam/gasMixing/injectorPipe/constant/thermophysicalProperties b/tutorials/compressible/rhoSimpleFoam/gasMixing/injectorPipe/constant/thermophysicalProperties
index b2a27477af2058a658f55d7a4b9fa8e534f06dbd..3966824fb7fafa1885d46c3e2b77bd7206785748 100644
--- a/tutorials/compressible/rhoSimpleFoam/gasMixing/injectorPipe/constant/thermophysicalProperties
+++ b/tutorials/compressible/rhoSimpleFoam/gasMixing/injectorPipe/constant/thermophysicalProperties
@@ -37,7 +37,6 @@ mixture
 {
     specie
     {
-        nMoles      1;
         molWeight   28.9;
     }
     thermodynamics
diff --git a/tutorials/heatTransfer/chtMultiRegionFoam/externalCoupledMultiRegionHeater/constant/bottomWater/thermophysicalProperties b/tutorials/heatTransfer/chtMultiRegionFoam/externalCoupledMultiRegionHeater/constant/bottomWater/thermophysicalProperties
index 4fde6b6e9e730e187a90480625b475b9240f41fd..c1602d4d09f80a423551df30c6e7d50c8b78bf34 100644
--- a/tutorials/heatTransfer/chtMultiRegionFoam/externalCoupledMultiRegionHeater/constant/bottomWater/thermophysicalProperties
+++ b/tutorials/heatTransfer/chtMultiRegionFoam/externalCoupledMultiRegionHeater/constant/bottomWater/thermophysicalProperties
@@ -29,7 +29,6 @@ mixture
 {
     specie
     {
-        nMoles          1;
         molWeight       18;
     }
     equationOfState
diff --git a/tutorials/heatTransfer/chtMultiRegionFoam/externalCoupledMultiRegionHeater/constant/heater/thermophysicalProperties b/tutorials/heatTransfer/chtMultiRegionFoam/externalCoupledMultiRegionHeater/constant/heater/thermophysicalProperties
index 75e5acf26f3dde368699f7550bfe0a02e3c7b0a0..7be4f18cd18573b0427cb5ed171c84e5f81667d7 100644
--- a/tutorials/heatTransfer/chtMultiRegionFoam/externalCoupledMultiRegionHeater/constant/heater/thermophysicalProperties
+++ b/tutorials/heatTransfer/chtMultiRegionFoam/externalCoupledMultiRegionHeater/constant/heater/thermophysicalProperties
@@ -29,7 +29,6 @@ mixture
 {
     specie
     {
-        nMoles      1;
         molWeight   50;
     }
 
diff --git a/tutorials/heatTransfer/chtMultiRegionFoam/externalCoupledMultiRegionHeater/constant/topAir/thermophysicalProperties b/tutorials/heatTransfer/chtMultiRegionFoam/externalCoupledMultiRegionHeater/constant/topAir/thermophysicalProperties
index ad71e36604c14e67f77ad8857de722c932221902..3f94dc8ad766c106e2be38f3bc54fb29364abbbc 100644
--- a/tutorials/heatTransfer/chtMultiRegionFoam/externalCoupledMultiRegionHeater/constant/topAir/thermophysicalProperties
+++ b/tutorials/heatTransfer/chtMultiRegionFoam/externalCoupledMultiRegionHeater/constant/topAir/thermophysicalProperties
@@ -29,7 +29,6 @@ mixture
 {
     specie
     {
-        nMoles          1;
         molWeight       28.9;
     }
     thermodynamics
diff --git a/tutorials/heatTransfer/chtMultiRegionFoam/externalSolarLoad/constant/air/thermophysicalProperties b/tutorials/heatTransfer/chtMultiRegionFoam/externalSolarLoad/constant/air/thermophysicalProperties
index ad71e36604c14e67f77ad8857de722c932221902..3f94dc8ad766c106e2be38f3bc54fb29364abbbc 100644
--- a/tutorials/heatTransfer/chtMultiRegionFoam/externalSolarLoad/constant/air/thermophysicalProperties
+++ b/tutorials/heatTransfer/chtMultiRegionFoam/externalSolarLoad/constant/air/thermophysicalProperties
@@ -29,7 +29,6 @@ mixture
 {
     specie
     {
-        nMoles          1;
         molWeight       28.9;
     }
     thermodynamics
diff --git a/tutorials/heatTransfer/chtMultiRegionFoam/externalSolarLoad/constant/floor/thermophysicalProperties b/tutorials/heatTransfer/chtMultiRegionFoam/externalSolarLoad/constant/floor/thermophysicalProperties
index 184764163b3c7072182df045c70eff2745429dc7..4b69d5f39b90f2f9d077e99b3c30d464364732f7 100644
--- a/tutorials/heatTransfer/chtMultiRegionFoam/externalSolarLoad/constant/floor/thermophysicalProperties
+++ b/tutorials/heatTransfer/chtMultiRegionFoam/externalSolarLoad/constant/floor/thermophysicalProperties
@@ -29,7 +29,6 @@ mixture
 {
     specie
     {
-        nMoles      1;
         molWeight   12;
     }
 
diff --git a/tutorials/heatTransfer/chtMultiRegionFoam/externalSolarLoad/constant/solid/thermophysicalProperties b/tutorials/heatTransfer/chtMultiRegionFoam/externalSolarLoad/constant/solid/thermophysicalProperties
index ac7029e57a82737e2efe1a600b660c71b7454d64..4cc5c9a26ba743a0097b253e11ba6d0fc8ee145c 100644
--- a/tutorials/heatTransfer/chtMultiRegionFoam/externalSolarLoad/constant/solid/thermophysicalProperties
+++ b/tutorials/heatTransfer/chtMultiRegionFoam/externalSolarLoad/constant/solid/thermophysicalProperties
@@ -29,7 +29,6 @@ mixture
 {
     specie
     {
-        nMoles      1;
         molWeight   12;
     }
 
diff --git a/tutorials/heatTransfer/chtMultiRegionFoam/windshieldCondensation/constant/cabin/thermophysicalProperties b/tutorials/heatTransfer/chtMultiRegionFoam/windshieldCondensation/constant/cabin/thermophysicalProperties
index e8cd2274074ed4084104c49ad5df3da40262879e..690c5ceff2e5cf15f64b078d811cd334b0f4a754 100644
--- a/tutorials/heatTransfer/chtMultiRegionFoam/windshieldCondensation/constant/cabin/thermophysicalProperties
+++ b/tutorials/heatTransfer/chtMultiRegionFoam/windshieldCondensation/constant/cabin/thermophysicalProperties
@@ -32,7 +32,6 @@ mixture
 {
     specie
     {
-        nMoles      1;
         molWeight   28.9;
     }
     thermodynamics
diff --git a/tutorials/heatTransfer/chtMultiRegionFoam/windshieldCondensation/constant/windshield/thermophysicalProperties b/tutorials/heatTransfer/chtMultiRegionFoam/windshieldCondensation/constant/windshield/thermophysicalProperties
index eeaf8382f3318e5747ff71259124a6eb64a542e8..207fc9bab184b4e45d1601b9924d82d09a0be447 100644
--- a/tutorials/heatTransfer/chtMultiRegionFoam/windshieldCondensation/constant/windshield/thermophysicalProperties
+++ b/tutorials/heatTransfer/chtMultiRegionFoam/windshieldCondensation/constant/windshield/thermophysicalProperties
@@ -29,7 +29,6 @@ mixture
 {
     specie
     {
-        nMoles      1;
         molWeight   12;
     }
 
diff --git a/tutorials/heatTransfer/chtMultiRegionFoam/windshieldDefrost/constant/cabin/thermophysicalProperties b/tutorials/heatTransfer/chtMultiRegionFoam/windshieldDefrost/constant/cabin/thermophysicalProperties
index b8b64024e6e69f3fd7c20106c66d7ff6889e4919..024e58e86a231b7aab254c886eede57cce588c15 100644
--- a/tutorials/heatTransfer/chtMultiRegionFoam/windshieldDefrost/constant/cabin/thermophysicalProperties
+++ b/tutorials/heatTransfer/chtMultiRegionFoam/windshieldDefrost/constant/cabin/thermophysicalProperties
@@ -30,7 +30,6 @@ mixture
 {
     specie
     {
-        nMoles      1;
         molWeight   28.9;
     }
     thermodynamics
diff --git a/tutorials/heatTransfer/chtMultiRegionFoam/windshieldDefrost/constant/exterior/thermophysicalProperties b/tutorials/heatTransfer/chtMultiRegionFoam/windshieldDefrost/constant/exterior/thermophysicalProperties
index b8b64024e6e69f3fd7c20106c66d7ff6889e4919..024e58e86a231b7aab254c886eede57cce588c15 100644
--- a/tutorials/heatTransfer/chtMultiRegionFoam/windshieldDefrost/constant/exterior/thermophysicalProperties
+++ b/tutorials/heatTransfer/chtMultiRegionFoam/windshieldDefrost/constant/exterior/thermophysicalProperties
@@ -30,7 +30,6 @@ mixture
 {
     specie
     {
-        nMoles      1;
         molWeight   28.9;
     }
     thermodynamics
diff --git a/tutorials/heatTransfer/chtMultiRegionFoam/windshieldDefrost/constant/ice/thermophysicalProperties b/tutorials/heatTransfer/chtMultiRegionFoam/windshieldDefrost/constant/ice/thermophysicalProperties
index 0402275bfb8aaed016d29d9540ec8392f038b476..58e548d44afd38dad94eb171b722ac1ae3f0f7f8 100644
--- a/tutorials/heatTransfer/chtMultiRegionFoam/windshieldDefrost/constant/ice/thermophysicalProperties
+++ b/tutorials/heatTransfer/chtMultiRegionFoam/windshieldDefrost/constant/ice/thermophysicalProperties
@@ -29,7 +29,6 @@ mixture
 {
     specie
     {
-        nMoles      1;
         molWeight   18;
     }
 
diff --git a/tutorials/heatTransfer/chtMultiRegionSimpleFoam/jouleHeatingSolid/constant/solid/thermophysicalProperties b/tutorials/heatTransfer/chtMultiRegionSimpleFoam/jouleHeatingSolid/constant/solid/thermophysicalProperties
index a24fa3e3ab72e2e13fccba9fb102b26c43802341..aec4dbb638163bbc36279d0476875f7ddd04ba91 100644
--- a/tutorials/heatTransfer/chtMultiRegionSimpleFoam/jouleHeatingSolid/constant/solid/thermophysicalProperties
+++ b/tutorials/heatTransfer/chtMultiRegionSimpleFoam/jouleHeatingSolid/constant/solid/thermophysicalProperties
@@ -29,7 +29,6 @@ mixture
 {
     specie
     {
-        nMoles      1;
         molWeight   12;
     }
 
diff --git a/tutorials/mesh/parallel/filter/constant/thermo.incompressiblePoly b/tutorials/mesh/parallel/filter/constant/thermo.incompressiblePoly
index eeb144f66d7fb7288953bd290bb76a114f49e21e..05043fa1356b30cff916c1514059307ea64893c8 100644
--- a/tutorials/mesh/parallel/filter/constant/thermo.incompressiblePoly
+++ b/tutorials/mesh/parallel/filter/constant/thermo.incompressiblePoly
@@ -19,7 +19,6 @@ N2
 {
     specie
     {
-        nMoles          1;
         molWeight       28.0134;
     }
     equationOfState
@@ -43,7 +42,6 @@ O2
 {
     specie
     {
-        nMoles          1;
         molWeight       31.9988;
     }
     equationOfState
@@ -67,7 +65,6 @@ H2O
 {
     specie
     {
-        nMoles          1;
         molWeight       18.0153;
     }
     equationOfState
@@ -91,7 +88,6 @@ air
 {
     specie
     {
-        nMoles          1;
         molWeight       28.85;
     }
     equationOfState
diff --git a/tutorials/multiphase/compressibleInterDyMFoam/laminar/sphereDrop/constant/thermophysicalProperties.air b/tutorials/multiphase/compressibleInterDyMFoam/laminar/sphereDrop/constant/thermophysicalProperties.air
index 0aa182835f961e31c08abfe1da81a68226a54c0e..e06a36d477d7d6567dc39ec03b4d044c072948e4 100644
--- a/tutorials/multiphase/compressibleInterDyMFoam/laminar/sphereDrop/constant/thermophysicalProperties.air
+++ b/tutorials/multiphase/compressibleInterDyMFoam/laminar/sphereDrop/constant/thermophysicalProperties.air
@@ -30,7 +30,6 @@ mixture
 {
     specie
     {
-        nMoles      1;
         molWeight   28.9;
     }
     thermodynamics
diff --git a/tutorials/multiphase/compressibleInterDyMFoam/laminar/sphereDrop/constant/thermophysicalProperties.water b/tutorials/multiphase/compressibleInterDyMFoam/laminar/sphereDrop/constant/thermophysicalProperties.water
index e315d6ee72f30ed47175322ea96195a855a00b7a..4b17e70934fadfa644b57ed18eca757f8f00dfea 100644
--- a/tutorials/multiphase/compressibleInterDyMFoam/laminar/sphereDrop/constant/thermophysicalProperties.water
+++ b/tutorials/multiphase/compressibleInterDyMFoam/laminar/sphereDrop/constant/thermophysicalProperties.water
@@ -30,7 +30,6 @@ mixture
 {
     specie
     {
-        nMoles      1;
         molWeight   18.0;
     }
     equationOfState
diff --git a/tutorials/multiphase/interFoam/laminar/vofToLagrangian/lagrangianDistributionInjection/constant/thermophysicalProperties b/tutorials/multiphase/interFoam/laminar/vofToLagrangian/lagrangianDistributionInjection/constant/thermophysicalProperties
index 41996383a2f69bbea040c2e061d6fe79af447022..e4529496d442b1b46bbacd5ff44c410b393332ba 100644
--- a/tutorials/multiphase/interFoam/laminar/vofToLagrangian/lagrangianDistributionInjection/constant/thermophysicalProperties
+++ b/tutorials/multiphase/interFoam/laminar/vofToLagrangian/lagrangianDistributionInjection/constant/thermophysicalProperties
@@ -32,7 +32,6 @@ N2
 {
     specie
     {
-        nMoles      1;
         molWeight   28;
     }
     thermodynamics
@@ -51,7 +50,6 @@ H2O
 {
     specie
     {
-        nMoles      1;
         molWeight   28;
     }
     thermodynamics
diff --git a/tutorials/multiphase/interFoam/laminar/vofToLagrangian/lagrangianParticleInjection/constant/thermophysicalProperties b/tutorials/multiphase/interFoam/laminar/vofToLagrangian/lagrangianParticleInjection/constant/thermophysicalProperties
index 41996383a2f69bbea040c2e061d6fe79af447022..e4529496d442b1b46bbacd5ff44c410b393332ba 100644
--- a/tutorials/multiphase/interFoam/laminar/vofToLagrangian/lagrangianParticleInjection/constant/thermophysicalProperties
+++ b/tutorials/multiphase/interFoam/laminar/vofToLagrangian/lagrangianParticleInjection/constant/thermophysicalProperties
@@ -32,7 +32,6 @@ N2
 {
     specie
     {
-        nMoles      1;
         molWeight   28;
     }
     thermodynamics
@@ -51,7 +50,6 @@ H2O
 {
     specie
     {
-        nMoles      1;
         molWeight   28;
     }
     thermodynamics
diff --git a/tutorials/preProcessing/createZeroDirectory/snappyMultiRegionHeater/constant/bottomAir/thermophysicalProperties b/tutorials/preProcessing/createZeroDirectory/snappyMultiRegionHeater/constant/bottomAir/thermophysicalProperties
index a43f53866d1be5ab4767c4642aac85c643e5fff3..f7c02cbc15483c4f32135e3a7ef20fc4ce20cfdc 100644
--- a/tutorials/preProcessing/createZeroDirectory/snappyMultiRegionHeater/constant/bottomAir/thermophysicalProperties
+++ b/tutorials/preProcessing/createZeroDirectory/snappyMultiRegionHeater/constant/bottomAir/thermophysicalProperties
@@ -30,7 +30,6 @@ mixture
 {
     specie
     {
-        nMoles          1;
         molWeight       28.9;
     }
     thermodynamics
diff --git a/tutorials/preProcessing/createZeroDirectory/snappyMultiRegionHeater/constant/heater/thermophysicalProperties b/tutorials/preProcessing/createZeroDirectory/snappyMultiRegionHeater/constant/heater/thermophysicalProperties
index bf1bb55a72a9953a618bfe33e45bddb38b92a31d..8a9d190c27c8b33ba51043401107b471f085d186 100644
--- a/tutorials/preProcessing/createZeroDirectory/snappyMultiRegionHeater/constant/heater/thermophysicalProperties
+++ b/tutorials/preProcessing/createZeroDirectory/snappyMultiRegionHeater/constant/heater/thermophysicalProperties
@@ -29,7 +29,6 @@ mixture
 {
     specie
     {
-        nMoles      1;
         molWeight   12;
     }
 
diff --git a/tutorials/preProcessing/createZeroDirectory/snappyMultiRegionHeater/constant/topAir/thermophysicalProperties b/tutorials/preProcessing/createZeroDirectory/snappyMultiRegionHeater/constant/topAir/thermophysicalProperties
index c3bc97b0ae4e5376be1421676c32092336f670c3..73199ddf2aba148957e67d0feb4e47f7554724ba 100644
--- a/tutorials/preProcessing/createZeroDirectory/snappyMultiRegionHeater/constant/topAir/thermophysicalProperties
+++ b/tutorials/preProcessing/createZeroDirectory/snappyMultiRegionHeater/constant/topAir/thermophysicalProperties
@@ -30,7 +30,6 @@ mixture
 {
     specie
     {
-        nMoles          1;
         molWeight       28.9;
     }
     thermodynamics