diff --git a/examples/simple_example_3.py b/examples/simple_example_3.py
index eb7ac9ab820199f71db2d0a5af25a2dd636c614e..ddb98e9979c059f3a08840a7d229448c83b839d2 100644
--- a/examples/simple_example_3.py
+++ b/examples/simple_example_3.py
@@ -2,7 +2,7 @@ import random
 
 import numpy as np
 
-from flatland.envs.generators import random_rail_generator, complex_rail_generator
+from flatland.envs.generators import complex_rail_generator
 from flatland.envs.observations import TreeObsForRailEnv
 from flatland.envs.rail_env import RailEnv
 from flatland.utils.rendertools import RenderTool