diff --git a/examples/introduction_flatland_2_1.py b/examples/introduction_flatland_2_1.py
index 214f0c547af4adceda9e12194a3b4deafe3ffaae..87451ecef1f7a07c475c02a3be5915a5cb408ce9 100644
--- a/examples/introduction_flatland_2_1.py
+++ b/examples/introduction_flatland_2_1.py
@@ -27,7 +27,7 @@ from flatland.utils.rendertools import RenderTool, AgentRenderVariant
 
 width = 16*7  # With of map
 height = 9*7  # Height of map
-nr_trains = 10  # Number of trains that have an assigned task in the env
+nr_trains = 20  # Number of trains that have an assigned task in the env
 cities_in_map = 20  # Number of cities where agents can start or end
 seed = 14  # Random seed
 grid_distribution_of_cities = False  # Type of city distribution, if False cities are randomly placed
@@ -58,7 +58,7 @@ schedule_generator = sparse_schedule_generator(speed_ration_map)
 # We can furthermore pass stochastic data to the RailEnv constructor which will allow for stochastic malfunctions
 # during an episode.
 
-stochastic_data = {'malfunction_rate': 1000,  # Rate of malfunction occurence of single agent
+stochastic_data = {'malfunction_rate': 5,  # Rate of malfunction occurence of single agent
                    'min_duration': 3,  # Minimal duration of malfunction
                    'max_duration': 20  # Max duration of malfunction
                    }
diff --git a/flatland/envs/rail_env.py b/flatland/envs/rail_env.py
index e11243046256a28f04913f40ef7ef29539e90c39..8090cff688cb0822fb1ceb2f1fee803fe47ccb16 100644
--- a/flatland/envs/rail_env.py
+++ b/flatland/envs/rail_env.py
@@ -427,7 +427,6 @@ class RailEnv(Environment):
 
         """
         if self.np_random.rand() < self._malfunction_prob(rate, len(self.active_agents)):
-            print("Malfunction")
             # Select only from agents that are not done yet
             breaking_agent_idx = self.np_random.choice(self.active_agents)
             breaking_agent = self.agents[breaking_agent_idx]
diff --git a/tests/test_utils.py b/tests/test_utils.py
index ff4948d629747a3394644b971105178ec1ac4523..6dfc6239ed191d06c16feeca5e8d68dbd6654952 100644
--- a/tests/test_utils.py
+++ b/tests/test_utils.py
@@ -121,7 +121,7 @@ def run_replay_config(env: RailEnv, test_configs: List[ReplayConfig], rendering:
                 agent.malfunction_data['moving_before_malfunction'] = agent.moving
                 agent.malfunction_data['fixed'] = False
             _assert(a, agent.malfunction_data['malfunction'], replay.malfunction, 'malfunction')
-        print(step, agent.moving, agent.malfunction_data['fixed'], agent.malfunction_data['malfunction'])
+        print(step)
         _, rewards_dict, _, info_dict = env.step(action_dict)
         if rendering:
             renderer.render_env(show=True, show_observations=True)