diff --git a/headers/libs/linprog/Constraint.h b/headers/libs/linprog/Constraint.h
index d011eb7f6e..1a4a9171c8 100644
--- a/headers/libs/linprog/Constraint.h
+++ b/headers/libs/linprog/Constraint.h
@@ -73,9 +73,8 @@ public:
 protected:
 								Constraint(LinearSpec* ls,
 									SummandList* summands, OperatorType op,
-									double rightSide,
-									double penaltyNeg = INFINITY,
-									double penaltyPos = INFINITY);
+									double rightSide, double penaltyNeg,
+									double penaltyPos);
 
 private:
 			LinearSpec*			fLS;