diff --git a/02_activities/assignments/whitby_covid_tracing.py b/02_activities/assignments/whitby_covid_tracing.py
index 44863513..7e637ed1 100644
--- a/02_activities/assignments/whitby_covid_tracing.py
+++ b/02_activities/assignments/whitby_covid_tracing.py
@@ -67,9 +67,6 @@ def simulate_event(m):
 
   return p_wedding_infections, p_wedding_traces
 
-# Set the random seed for reproducibility
-np.random.seed(10)
-
 # Run the simulation 50000 times
 results = [simulate_event(m) for m in range(50000)]
 props_df = pd.DataFrame(results, columns=["Infections", "Traces"])