diff --git a/src/lagrangian/cfdemParticle/subModels/otherForceModel/expParticleForces/expParticleForces.C b/src/lagrangian/cfdemParticle/subModels/otherForceModel/expParticleForces/expParticleForces.C
index 3e91a9aa..65bbe71d 100644
--- a/src/lagrangian/cfdemParticle/subModels/otherForceModel/expParticleForces/expParticleForces.C
+++ b/src/lagrangian/cfdemParticle/subModels/otherForceModel/expParticleForces/expParticleForces.C
@@ -73,14 +73,14 @@ tmp<volVectorField> expParticleForces::exportForceField()
             )
         )
     );
-    
+
     volVectorField& source = tsource.ref();
-    
+
     // negative sign in sum because force on particles = - force on fluid
     for(int i=0; i<particleCloud_.nrMomCoupleModels(); i++)
         if (particleCloud_.momCoupleM(i).type() == "explicitCouple")
             source -= particleCloud_.momCoupleM(i).expMomSource();
-    
+
     return tsource;
 }
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
diff --git a/src/lagrangian/cfdemParticle/subModels/otherForceModel/expParticleForces/expParticleForces.H b/src/lagrangian/cfdemParticle/subModels/otherForceModel/expParticleForces/expParticleForces.H
index f31a2a54..87a7783a 100644
--- a/src/lagrangian/cfdemParticle/subModels/otherForceModel/expParticleForces/expParticleForces.H
+++ b/src/lagrangian/cfdemParticle/subModels/otherForceModel/expParticleForces/expParticleForces.H
@@ -45,7 +45,6 @@ protected:
     // Protected data
     //    dictionary propsDict_;
 
-    
 public:
 
     //- Runtime type information
diff --git a/src/lagrangian/cfdemParticle/subModels/otherForceModel/gravity/gravity.C b/src/lagrangian/cfdemParticle/subModels/otherForceModel/gravity/gravity.C
index 3753b121..9209e374 100644
--- a/src/lagrangian/cfdemParticle/subModels/otherForceModel/gravity/gravity.C
+++ b/src/lagrangian/cfdemParticle/subModels/otherForceModel/gravity/gravity.C
@@ -78,11 +78,11 @@ tmp<volVectorField> gravity::exportForceField()
             )
         )
     );
-    
+
     volVectorField& source = tsource.ref();
-    
+
     source = rhoG_ * voidfraction_ * g_;
-    
+
     return tsource;
 }
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
diff --git a/src/lagrangian/cfdemParticle/subModels/otherForceModel/gravity/gravity.H b/src/lagrangian/cfdemParticle/subModels/otherForceModel/gravity/gravity.H
index b9e650b5..24efa9a7 100644
--- a/src/lagrangian/cfdemParticle/subModels/otherForceModel/gravity/gravity.H
+++ b/src/lagrangian/cfdemParticle/subModels/otherForceModel/gravity/gravity.H
@@ -48,14 +48,13 @@ protected:
         word voidfractionFieldName_;
 
         const volScalarField& voidfraction_;
-    
+
         word rhoGFieldName_;
 
         const volScalarField& rhoG_;
 
         const dimensionedVector g_;
 
-    
 public:
 
     //- Runtime type information
diff --git a/src/lagrangian/cfdemParticle/subModels/otherForceModel/otherForceModel/otherForceModel.H b/src/lagrangian/cfdemParticle/subModels/otherForceModel/otherForceModel/otherForceModel.H
index 5b7c2ac5..0813ba38 100644
--- a/src/lagrangian/cfdemParticle/subModels/otherForceModel/otherForceModel/otherForceModel.H
+++ b/src/lagrangian/cfdemParticle/subModels/otherForceModel/otherForceModel/otherForceModel.H
@@ -47,7 +47,6 @@ protected:
 
         cfdemCloud& particleCloud_;
 
-        
 public:
 
     //- Runtime type information
@@ -95,7 +94,6 @@ public:
 
     // Member Functions
 
-
         virtual tmp<volVectorField> exportForceField() = 0;
 
 };