diff --git a/src/lagrangian/intermediate/parcels/Templates/KinematicParcel/CollisionRecordList/WallCollisionRecord/WallCollisionRecord.H b/src/lagrangian/intermediate/parcels/Templates/KinematicParcel/CollisionRecordList/WallCollisionRecord/WallCollisionRecord.H
index 33f021fc7c..96d605dd4a 100644
--- a/src/lagrangian/intermediate/parcels/Templates/KinematicParcel/CollisionRecordList/WallCollisionRecord/WallCollisionRecord.H
+++ b/src/lagrangian/intermediate/parcels/Templates/KinematicParcel/CollisionRecordList/WallCollisionRecord/WallCollisionRecord.H
@@ -82,7 +82,7 @@ class WallCollisionRecord
         // //- Recording whether or not this record has been accessed
         bool accessed_;
 
-        //- The position of wall impact relative to the cell centre
+        //- The position of wall impact relative to the particle centre
         vector pRel_;
 
         //- Collision data, stored as if the storing particle was the
diff --git a/src/lagrangian/intermediate/parcels/derived/basicKinematicParcel/defineBasicKinematicParcel.C b/src/lagrangian/intermediate/parcels/derived/basicKinematicParcel/defineBasicKinematicParcel.C
index 5ae80dddaa..37c71946b3 100644
--- a/src/lagrangian/intermediate/parcels/derived/basicKinematicParcel/defineBasicKinematicParcel.C
+++ b/src/lagrangian/intermediate/parcels/derived/basicKinematicParcel/defineBasicKinematicParcel.C
@@ -31,7 +31,6 @@ License
 
 namespace Foam
 {
-
     defineTemplateTypeNameAndDebug(Cloud<basicKinematicParcel>, 0);
 
     defineParcelTypeNameAndDebug(KinematicCloud<basicKinematicParcel>, 0);
diff --git a/src/lagrangian/intermediate/submodels/Kinematic/CollisionModel/PairCollision/PairModel/PairSpringSliderDashpot/PairSpringSliderDashpot.C b/src/lagrangian/intermediate/submodels/Kinematic/CollisionModel/PairCollision/PairModel/PairSpringSliderDashpot/PairSpringSliderDashpot.C
index 54bf3ab659..7216ad0914 100644
--- a/src/lagrangian/intermediate/submodels/Kinematic/CollisionModel/PairCollision/PairModel/PairSpringSliderDashpot/PairSpringSliderDashpot.C
+++ b/src/lagrangian/intermediate/submodels/Kinematic/CollisionModel/PairCollision/PairModel/PairSpringSliderDashpot/PairSpringSliderDashpot.C
@@ -45,7 +45,8 @@ void Foam::PairSpringSliderDashpot<CloudType>::findMinMaxProperties
 
         // Finding minimum diameter to avoid excessive arithmetic
 
-        scalar dEff = p.d()*cbrt(p.nParticle()*volumeFactor_);
+        scalar dEff = p.d();
+        // scalar dEff = p.d()*cbrt(p.nParticle()*volumeFactor_);
 
         RMin = min(dEff, RMin);
 
@@ -158,9 +159,11 @@ void Foam::PairSpringSliderDashpot<CloudType>::evaluatePair
 {
     vector r_AB = (pA.position() - pB.position());
 
-    scalar dAEff = pA.d()*cbrt(pA.nParticle()*volumeFactor_);
+    //scalar dAEff = pA.d()*cbrt(pA.nParticle()*volumeFactor_);
+    scalar dAEff = pA.d();
 
-    scalar dBEff = pB.d()*cbrt(pB.nParticle()*volumeFactor_);
+    // scalar dBEff = pB.d()*cbrt(pB.nParticle()*volumeFactor_);
+    scalar dBEff = pB.d();
 
     scalar normalOverlapMag = 0.5*(dAEff + dBEff) - mag(r_AB);
 
diff --git a/src/lagrangian/intermediate/submodels/Kinematic/CollisionModel/PairCollision/WallModel/WallSpringSliderDashpot/WallSpringSliderDashpot.C b/src/lagrangian/intermediate/submodels/Kinematic/CollisionModel/PairCollision/WallModel/WallSpringSliderDashpot/WallSpringSliderDashpot.C
index 4bf524e387..b2e05f1ab5 100644
--- a/src/lagrangian/intermediate/submodels/Kinematic/CollisionModel/PairCollision/WallModel/WallSpringSliderDashpot/WallSpringSliderDashpot.C
+++ b/src/lagrangian/intermediate/submodels/Kinematic/CollisionModel/PairCollision/WallModel/WallSpringSliderDashpot/WallSpringSliderDashpot.C
@@ -45,7 +45,8 @@ void Foam::WallSpringSliderDashpot<CloudType>::findMinMaxProperties
 
         // Finding minimum diameter to avoid excessive arithmetic
 
-        scalar dEff = p.d()*cbrt(p.nParticle()*volumeFactor_);
+        scalar dEff = p.d();
+        // scalar dEff = p.d()*cbrt(p.nParticle()*volumeFactor_);
 
         rMin = min(dEff, rMin);
 
@@ -181,7 +182,8 @@ Foam::scalar Foam::WallSpringSliderDashpot<CloudType>::pREff
     const typename CloudType::parcelType& p
 ) const
 {
-    return p.d()/2*cbrt(p.nParticle()*volumeFactor_);
+    // return p.d()/2*cbrt(p.nParticle()*volumeFactor_);
+    return p.d()/2;
 }
 
 template<class CloudType>