diff --git a/tools/onlu.py b/tools/onlu.py
index f5f1f46c..240bc5c0 100644
--- a/tools/onlu.py
+++ b/tools/onlu.py
@@ -67,7 +67,7 @@ def init_logging(name, lvl=logging.DEBUG):
 class Profiler(object):
 
     ENABLED=True
-    LOGFILE='plog'
+    LOGFILE=None
 
     def __enter__(self):
         self.start = time.time()