diff --git a/gail-experiment.py b/gail-experiment.py
index f48b97c..379e397 100644
--- a/gail-experiment.py
+++ b/gail-experiment.py
@@ -170,8 +170,6 @@ if __name__ == '__main__':
                 'experiment': args.train,
                 'trainenv': {
                     'stop_on_collision': False, 
-                    'safe_actions_collision_method': 'circle', 
-                    'abort_unsafe_collision_method': 'circle',
                 },
                 'policy': {
                     'learning_rate': 3e-4, 
diff --git a/gail-trpo-experiment.py b/gail-trpo-experiment.py
index 75c79fa..a2b8b1f 100644
--- a/gail-trpo-experiment.py
+++ b/gail-trpo-experiment.py
@@ -167,8 +167,6 @@ if __name__ == '__main__':
                 'experiment': args.train,
                 'trainenv': {
                     'stop_on_collision': False, 
-                    'safe_actions_collision_method': 'circle', 
-                    'abort_unsafe_collision_method': 'circle',
                 },
                 'policy': {
                     'learning_rate': 3e-4,