diff --git a/rocketpy/plots/aero_surface_plots.py b/rocketpy/plots/aero_surface_plots.py
index c4e6484cb..5e0197678 100644
--- a/rocketpy/plots/aero_surface_plots.py
+++ b/rocketpy/plots/aero_surface_plots.py
@@ -561,4 +561,3 @@ def all(self):
         self.deployed_level()
         self.drag_coefficient()
         self.drag_coefficient_curve()
-        return None