diff --git a/trunk/paradiseo-mo/src/coolingSchedule/moDynSpanCoolingSchedule.h b/trunk/paradiseo-mo/src/coolingSchedule/moDynSpanCoolingSchedule.h
index 224fa4236..34b386312 100644
--- a/trunk/paradiseo-mo/src/coolingSchedule/moDynSpanCoolingSchedule.h
+++ b/trunk/paradiseo-mo/src/coolingSchedule/moDynSpanCoolingSchedule.h
@@ -134,8 +134,6 @@ private:
     // maximum number of successive spans with no move
     unsigned int nbSpanMax;
 
-    // number of steps with the same temperature
-    unsigned int step;
 };