diff --git a/src/clib/xtg/x_3d_polyhedron.c b/src/clib/xtg/x_3d_polyhedron.c
index e6789a0e4..f8b26e3ea 100644
--- a/src/clib/xtg/x_3d_polyhedron.c
+++ b/src/clib/xtg/x_3d_polyhedron.c
@@ -556,7 +556,6 @@ _x_point_in_hexahedron_v2(double x0, double y0, double z0, double *corners, long
     }
 
     double **crn = x_allocate_2d_double(8, 3);
-    int **cset = x_allocate_2d_int(4, 5);
 
     int i, j;
     int ic = 0;
@@ -607,4 +606,4 @@ x_point_in_hexahedron(double x0,
     } else {
         return _x_point_in_hexahedron_v2(x0, y0, z0, corners, ndim);
     }
-}
\ No newline at end of file
+}