diff --git a/FoldOptLib/input/data_storage.py b/FoldOptLib/input/data_storage.py
index 0475b26..aaa8407 100644
--- a/FoldOptLib/input/data_storage.py
+++ b/FoldOptLib/input/data_storage.py
@@ -135,13 +135,9 @@ def set_axial_surface_field_constraints(self):
             ].to_numpy()
         except:
             mean_x, mean_y, mean_z = self.axial_normals()[["X", "Y", "Z"]].mean(0)
-            min_x, min_y, min_z = self.axial_normals()[["X", "Y", "Z"]].min(0)
-            max_x, max_y, max_z = self.axial_normals()[["X", "Y", "Z"]].max(0)
             value_constraints = numpy.array(
                 [
                     [mean_x, mean_y, mean_z, 0.0, 1.0],
-                    [min_x, min_y, min_z, -500., 1.0],
-                    [max_x, max_y, max_z, 500.0, 1.0],
                 ],
                 dtype=float,
             )
@@ -166,13 +162,9 @@ def set_fold_axis_field_constraints(self):
             ].to_numpy()
         except:
             mean_x, mean_y, mean_z = self.y_normals()[["X", "Y", "Z"]].mean(0)
-            min_x, min_y, min_z = self.y_normals()[["X", "Y", "Z"]].min(0)
-            max_x, max_y, max_z = self.y_normals()[["X", "Y", "Z"]].max(0)
             value_constraints = numpy.array(
                 [
                     [mean_x, mean_y, mean_z, 0.0, 1.0],
-                    [min_x, min_y, min_z, -500., 1.0],
-                    [max_x, max_y, max_z, 500.0, 1.0],
                 ],
                 dtype=float,
             )