diff --git a/derotation/simulate/basic_rotator.py b/derotation/simulate/basic_rotator.py
index 089f1b5..26ace59 100644
--- a/derotation/simulate/basic_rotator.py
+++ b/derotation/simulate/basic_rotator.py
@@ -75,7 +75,6 @@ def rotate_by_line(self) -> np.ndarray:
             i.e. (num_frames, num_lines_per_frame, num_pixels_per_line).
         """
         rotated_image_stack = copy.deepcopy(self.image_stack)
-        self.get_blank_pixels_value()
 
         for i, image in enumerate(self.image_stack):
             is_this_frame_rotating = not np.all(