diff --git a/Tests/large_memory_numpy_test.py b/Tests/large_memory_numpy_test.py
index 1701f995b..8a13d0aea 100644
--- a/Tests/large_memory_numpy_test.py
+++ b/Tests/large_memory_numpy_test.py
@@ -1,5 +1,4 @@
 import sys
-import unittest
 
 from helper import *