diff --git a/opm/simulators/flow/FlowGenericProblem.hpp b/opm/simulators/flow/FlowGenericProblem.hpp
index 78326aa64..035d10beb 100644
--- a/opm/simulators/flow/FlowGenericProblem.hpp
+++ b/opm/simulators/flow/FlowGenericProblem.hpp
@@ -334,8 +334,6 @@ protected:
     void updateSatnum_();
     void updateMiscnum_();
     void updatePlmixnum_();
-    void updateKrnum_();
-    void updateImbnum_();
 
     const EclipseState& eclState_;
     const Schedule& schedule_;
@@ -348,12 +346,6 @@ protected:
     std::vector<unsigned short> satnum_;
     std::vector<unsigned short> miscnum_;
     std::vector<unsigned short> plmixnum_;
-    std::vector<unsigned short> krnumx_;
-    std::vector<unsigned short> krnumy_;
-    std::vector<unsigned short> krnumz_;
-    std::vector<unsigned short> imbnumx_;
-    std::vector<unsigned short> imbnumy_;
-    std::vector<unsigned short> imbnumz_;
 
     std::vector<RockParams> rockParams_;
     std::vector<unsigned short> rockTableIdx_;
diff --git a/opm/simulators/flow/FlowGenericProblem_impl.hpp b/opm/simulators/flow/FlowGenericProblem_impl.hpp
index ab5fd30f9..d01aab586 100644
--- a/opm/simulators/flow/FlowGenericProblem_impl.hpp
+++ b/opm/simulators/flow/FlowGenericProblem_impl.hpp
@@ -408,26 +408,6 @@ updatePlmixnum_()
     updateNum("PLMIXNUM", plmixnum_, num_regions);
 }
 
-template<class GridView, class FluidSystem>
-void FlowGenericProblem<GridView,FluidSystem>::
-updateKrnum_()
-{
-    const auto num_regions = eclState_.getTableManager().getTabdims().getNumSatTables();
-    updateNum("KRNUMX", krnumx_, num_regions);
-    updateNum("KRNUMY", krnumy_, num_regions);
-    updateNum("KRNUMZ", krnumz_, num_regions);
-}
-
-template<class GridView, class FluidSystem>
-void FlowGenericProblem<GridView,FluidSystem>::
-updateImbnum_()
-{
-    const auto num_regions = eclState_.getTableManager().getTabdims().getNumSatTables();
-    updateNum("IMBNUMX", imbnumx_, num_regions);
-    updateNum("IMBNUMY", imbnumy_, num_regions);
-    updateNum("IMBNUMZ", imbnumz_, num_regions);
-}
-
 template<class GridView, class FluidSystem>
 bool FlowGenericProblem<GridView,FluidSystem>::
 vapparsActive(int episodeIdx) const
diff --git a/opm/simulators/flow/FlowProblem.hpp b/opm/simulators/flow/FlowProblem.hpp
index 5c83abfa6..3a83a9698 100644
--- a/opm/simulators/flow/FlowProblem.hpp
+++ b/opm/simulators/flow/FlowProblem.hpp
@@ -2041,8 +2041,6 @@ protected:
         // the PLMIX region numbers (polymer model)
         this->updatePlmixnum_();
 
-        // directional relative permeabilities
-        this->updateKrnum_();
         OPM_END_PARALLEL_TRY_CATCH("Invalid region numbers: ", vanguard.gridView().comm());
         ////////////////////////////////
         // porosity