diff --git a/python/stochastic/random_search.py b/python/stochastic/random_search.py
index af497796..05402bde 100644
--- a/python/stochastic/random_search.py
+++ b/python/stochastic/random_search.py
@@ -3,7 +3,6 @@
 from ..switch import decide
 
 import random
-import sys
 
 """
 2.2