diff --git a/rtengine/histmatching.cc b/rtengine/histmatching.cc
index 43b2b48ad..23def70ca 100644
--- a/rtengine/histmatching.cc
+++ b/rtengine/histmatching.cc
@@ -26,7 +26,7 @@
 #include "iccstore.h"
 #include "../rtgui/mydiagonalcurve.h"
 #include "improcfun.h"
-#define BENCHMARK
+//#define BENCHMARK
 #include "StopWatch.h"
 #include <iostream>