diff --git a/tutorials/cfdemSolverRhoPimpleChem/SingleParticleCases/30CO6H2_Hematite/CFD/system/controlDict b/tutorials/cfdemSolverRhoPimpleChem/SingleParticleCases/30CO6H2_Hematite/CFD/system/controlDict
index ed023c00..333928c6 100644
--- a/tutorials/cfdemSolverRhoPimpleChem/SingleParticleCases/30CO6H2_Hematite/CFD/system/controlDict
+++ b/tutorials/cfdemSolverRhoPimpleChem/SingleParticleCases/30CO6H2_Hematite/CFD/system/controlDict
@@ -78,17 +78,11 @@ functions
             rho
             p
             T
-            molC
             N2
             CO2
             CO
             H2
             H2O
-            ModSpeciesMassField_N2
-            ModSpeciesMassField_CO2
-            ModSpeciesMassField_CO
-            ModSpeciesMassField_H2
-            ModSpeciesMassField_H2O
             X_CO
             X_CO2
             X_H2
diff --git a/tutorials/cfdemSolverRhoPimpleChem/SingleParticleCases/30CO6H2_Hematite/CFD/system/controlDict_test b/tutorials/cfdemSolverRhoPimpleChem/SingleParticleCases/30CO6H2_Hematite/CFD/system/controlDict_test
index 29e3f7c6..6c2d7fc9 100644
--- a/tutorials/cfdemSolverRhoPimpleChem/SingleParticleCases/30CO6H2_Hematite/CFD/system/controlDict_test
+++ b/tutorials/cfdemSolverRhoPimpleChem/SingleParticleCases/30CO6H2_Hematite/CFD/system/controlDict_test
@@ -78,17 +78,11 @@ functions
             rho
             p
             T
-            molC
             N2
             CO2
             CO
             H2
             H2O
-            ModSpeciesMassField_N2
-            ModSpeciesMassField_CO2
-            ModSpeciesMassField_CO
-            ModSpeciesMassField_H2
-            ModSpeciesMassField_H2O
             X_CO
             X_CO2
             X_H2