diff --git a/src/SMESH/SMESH_subMesh.cxx b/src/SMESH/SMESH_subMesh.cxx
index 777c09103..100a59560 100644
--- a/src/SMESH/SMESH_subMesh.cxx
+++ b/src/SMESH/SMESH_subMesh.cxx
@@ -1244,7 +1244,8 @@ bool SMESH_subMesh::ComputeStateEngine(int event)
           break;
         }
         // compute
-        RemoveSubMeshElementsAndNodes();
+        CleanDependants();
+        //RemoveSubMeshElementsAndNodes();
         //removeSubMesh( _meshDS, _subShape );
         if (!algo->NeedDescretBoundary() && !algo->OnlyUnaryInput())
           ret = ApplyToCollection( algo, GetCollection( gen, algo ) );