diff --git a/python/helpers/generator3.py b/python/helpers/generator3.py
index 737b29f15a6c..d09f6d918e18 100644
--- a/python/helpers/generator3.py
+++ b/python/helpers/generator3.py
@@ -1,12 +1,6 @@
 # encoding: utf-8
 import atexit
 import zipfile
-import sys
-
-
-if hasattr(sys, 'dont_write_bytecode'):
-    sys.dont_write_bytecode = True
-
 
 # TODO: Move all CLR-specific functions to clr_tools