diff --git a/src/lagrangian/cfdemParticle/subModels/dataExchangeModel/twoWayOne2One/twoWayOne2One.C b/src/lagrangian/cfdemParticle/subModels/dataExchangeModel/twoWayOne2One/twoWayOne2One.C
index 66cae69a..1e8c2197 100644
--- a/src/lagrangian/cfdemParticle/subModels/dataExchangeModel/twoWayOne2One/twoWayOne2One.C
+++ b/src/lagrangian/cfdemParticle/subModels/dataExchangeModel/twoWayOne2One/twoWayOne2One.C
@@ -142,7 +142,7 @@ twoWayOne2One::twoWayOne2One
     }
 }
 
-void twoWayOne2One::createProcMap() const
+void twoWayOne2One::createProcMap()
 {
     List<treeBoundBox> foamBoxes(Pstream::nProcs());
     foamBoxes[Pstream::myProcNo()] = thisFoamBox_;
@@ -671,7 +671,7 @@ bool twoWayOne2One::couple(int i)
     return coupleNow;
 }
 
-void twoWayOne2One::setupLig2FoamCommunication() const
+void twoWayOne2One::setupLig2FoamCommunication()
 {
     int* src_procs = new int[thisLigPartner_.size()];
     for (int proci = 0; proci < thisLigPartner_.size(); proci++)
@@ -709,7 +709,7 @@ void twoWayOne2One::setupLig2FoamCommunication() const
 }
 
 
-void twoWayOne2One::locateParticles() const
+void twoWayOne2One::locateParticles()
 {
     // get positions for locate
     double** my_positions = static_cast<double**>(lmp->atom->x);
@@ -823,7 +823,7 @@ void twoWayOne2One::locateParticles() const
     setCellIDs(cellIds);
 }
 
-void twoWayOne2One::setupFoam2LigCommunication() const
+void twoWayOne2One::setupFoam2LigCommunication()
 {
     int* src_procs = new int[thisFoamPartner_.size()];
     for (int proci = 0; proci < thisFoamPartner_.size(); proci++)
diff --git a/src/lagrangian/cfdemParticle/subModels/dataExchangeModel/twoWayOne2One/twoWayOne2One.H b/src/lagrangian/cfdemParticle/subModels/dataExchangeModel/twoWayOne2One/twoWayOne2One.H
index 4ba46276..08abc600 100644
--- a/src/lagrangian/cfdemParticle/subModels/dataExchangeModel/twoWayOne2One/twoWayOne2One.H
+++ b/src/lagrangian/cfdemParticle/subModels/dataExchangeModel/twoWayOne2One/twoWayOne2One.H
@@ -125,16 +125,16 @@ private:
   // private member functions
 
     //- creates a geometric mapping between FOAM and LIG domains
-    void createProcMap() const;
+    void createProcMap();
 
     //- create a One2One communicator which transfers from LIG to FOAM
-    void setupLig2FoamCommunication() const;
+    void setupLig2FoamCommunication();
 
     //- locates particles received from Lig
-    void locateParticles() const;
+    void locateParticles();
 
     //- create a One2One communicator which transfers from FOAM to LIG
-    void setupFoam2LigCommunication() const;
+    void setupFoam2LigCommunication();
 
 protected:
     LAMMPS_NS::LAMMPS *lmp;