diff --git a/opm/core/simulator/initState.hpp b/opm/core/simulator/initState.hpp
index 6bdbbef5d..7f323d009 100644
--- a/opm/core/simulator/initState.hpp
+++ b/opm/core/simulator/initState.hpp
@@ -180,7 +180,6 @@ namespace Opm
     template <class FaceCells, class FCI, class CCI, class Props, class State>
     void initStateFromDeck(int number_of_cells,
                            const int* global_cell,
-                           const int* cartdims,
                            int number_of_faces,
                            FaceCells face_cells,
                            FCI begin_face_centroids,
diff --git a/opm/core/simulator/initState_impl.hpp b/opm/core/simulator/initState_impl.hpp
index 886532cea..1ee3c56f6 100644
--- a/opm/core/simulator/initState_impl.hpp
+++ b/opm/core/simulator/initState_impl.hpp
@@ -557,7 +557,7 @@ namespace Opm
                            const double gravity,
                            State& state)
     {
-        initStateFromDeck(grid.number_of_cells, grid.global_cell, grid.cartdims,
+        initStateFromDeck(grid.number_of_cells, grid.global_cell,
                           grid.number_of_faces, UgGridHelpers::faceCells(grid),
                           grid.face_centroids, grid.cell_centroids, grid.dimensions,
                           props, newParserDeck, gravity, state);
@@ -566,7 +566,6 @@ namespace Opm
     template <class FaceCells, class FCI, class CCI, class Props, class State>
     void initStateFromDeck(int number_of_cells,
                            const int* global_cell,
-                           const int* cartdims,
                            int number_of_faces,
                            FaceCells face_cells,
                            FCI begin_face_centroids,