diff --git a/src/SofaSphFluid/ParticlesRepulsionForceField.h b/src/SofaSphFluid/ParticlesRepulsionForceField.h
index 542e8fd..5641278 100644
--- a/src/SofaSphFluid/ParticlesRepulsionForceField.h
+++ b/src/SofaSphFluid/ParticlesRepulsionForceField.h
@@ -86,7 +86,7 @@ class ParticlesRepulsionForceField : public sofa::core::behavior::ForceField<Dat
     void addForce(const core::MechanicalParams* mparams, DataVecDeriv& d_f, const DataVecCoord& d_x, const DataVecDeriv& d_v) override;
     void addDForce(const core::MechanicalParams* mparams, DataVecDeriv& d_df, const DataVecDeriv& d_dx) override;
 
-    void addKToMatrix(const sofa::core::MechanicalParams* mparams, const sofa::core::behavior::MultiMatrixAccessor* matrix) override;
+    void addKToMatrix(sofa::linearalgebra::BaseMatrix * matrix, SReal kFact, unsigned int &offset) override {}
 
     SReal getPotentialEnergy(const sofa::core::MechanicalParams* /*mparams*/, const DataVecCoord& /* x */) const override
     {
diff --git a/src/SofaSphFluid/ParticlesRepulsionForceField.inl b/src/SofaSphFluid/ParticlesRepulsionForceField.inl
index 52b843a..925c9b8 100644
--- a/src/SofaSphFluid/ParticlesRepulsionForceField.inl
+++ b/src/SofaSphFluid/ParticlesRepulsionForceField.inl
@@ -167,12 +167,6 @@ void ParticlesRepulsionForceField<DataTypes>::addDForce(const core::MechanicalPa
     d_df.endEdit();
 }
 
-template<class DataTypes>
-void ParticlesRepulsionForceField<DataTypes>::addKToMatrix(const sofa::core::MechanicalParams* /*mparams*/, const sofa::core::behavior::MultiMatrixAccessor* /*matrix*/)
-{
-    return;
-}
-
 template<class DataTypes>
 void ParticlesRepulsionForceField<DataTypes>::draw(const core::visual::VisualParams* vparams)
 {