diff --git a/opm/simulators/flow/CpGridVanguard.hpp b/opm/simulators/flow/CpGridVanguard.hpp
index 63d4cdcdd16..00941e36305 100644
--- a/opm/simulators/flow/CpGridVanguard.hpp
+++ b/opm/simulators/flow/CpGridVanguard.hpp
@@ -360,12 +360,6 @@ class CpGridVanguard : public FlowBaseVanguard<TypeTag>
     }
 #endif
 
-    // removing some connection located in inactive grid cells
-    void filterConnections_()
-    {
-        this->doFilterConnections_(this->schedule());
-    }
-
     // \Note: this globalTrans_ is used for domain decomposition and INIT file output.
     // It only contains trans_ due to permeability and does not contain thermalHalfTrans_,
     // diffusivity_ abd dispersivity_. The main reason is to reduce the memory usage for rank 0
diff --git a/opm/simulators/flow/FlowBaseVanguard.hpp b/opm/simulators/flow/FlowBaseVanguard.hpp
index 6722730bbf5..11e685bee2c 100644
--- a/opm/simulators/flow/FlowBaseVanguard.hpp
+++ b/opm/simulators/flow/FlowBaseVanguard.hpp
@@ -325,7 +325,6 @@ class FlowBaseVanguard : public BaseVanguard<TypeTag>,
     void callImplementationInit()
     {
         asImp_().createGrids_();
-        asImp_().filterConnections_();
         std::string outputDir = Parameters::Get<Parameters::OutputDir>();
         bool enableEclCompatFile = !Parameters::Get<Parameters::EnableOpmRstFile>();
         asImp_().updateOutputDir_(outputDir, enableEclCompatFile);
diff --git a/opm/simulators/flow/GenericCpGridVanguard.cpp b/opm/simulators/flow/GenericCpGridVanguard.cpp
index 26afbc31b07..67788c98a39 100644
--- a/opm/simulators/flow/GenericCpGridVanguard.cpp
+++ b/opm/simulators/flow/GenericCpGridVanguard.cpp
@@ -600,37 +600,6 @@ void GenericCpGridVanguard<ElementMapper,GridView,Scalar>::addLgrsUpdateLeafView
     grid.addLgrsUpdateLeafView(cells_per_dim_vec, startIJK_vec, endIJK_vec, lgrName_vec);
 };
 
-template<class ElementMapper, class GridView, class Scalar>
-void GenericCpGridVanguard<ElementMapper,GridView,Scalar>::
-doFilterConnections_(Schedule& schedule)
-{
-    // We only filter if we hold the global grid. Otherwise the filtering
-    // is done after load balancing as in the future the other processes
-    // will hold an empty partition for the global grid and hence filtering
-    // here would remove all well connections.
-    if (this->equilGrid_ != nullptr) {
-        ActiveGridCells activeCells(equilGrid().logicalCartesianSize(),
-                                    equilGrid().globalCell().data(),
-                                    equilGrid().size(0));
-
-        schedule.filterConnections(activeCells);
-    }
-
-#if HAVE_MPI
-    try {
-        // Broadcast another time to remove inactive peforations on
-        // slave processors.
-        eclBroadcast(FlowGenericVanguard::comm(), schedule);
-    }
-    catch (const std::exception& broadcast_error) {
-        OpmLog::error(fmt::format("Distributing properties to all processes failed\n"
-                                  "Internal error message: {}", broadcast_error.what()));
-        MPI_Finalize();
-        std::exit(EXIT_FAILURE);
-    }
-#endif  // HAVE_MPI
-}
-
 template<class ElementMapper, class GridView, class Scalar>
 const Dune::CpGrid&
 GenericCpGridVanguard<ElementMapper,GridView,Scalar>::equilGrid() const
diff --git a/opm/simulators/flow/GenericCpGridVanguard.hpp b/opm/simulators/flow/GenericCpGridVanguard.hpp
index b73696b4851..3f2c540568d 100644
--- a/opm/simulators/flow/GenericCpGridVanguard.hpp
+++ b/opm/simulators/flow/GenericCpGridVanguard.hpp
@@ -224,9 +224,6 @@ class GenericCpGridVanguard {
     virtual void allocTrans() = 0;
     virtual double getTransmissibility(unsigned I, unsigned J) const = 0;
 
-    // removing some connection located in inactive grid cells
-    void doFilterConnections_(Schedule& schedule);
-
     Scalar computeCellThickness(const Element& element) const;
 
     std::unique_ptr<Dune::CpGrid> grid_;