diff --git a/src/ZMPRefTrajectoryGeneration/generator-vel-ref.cpp b/src/ZMPRefTrajectoryGeneration/generator-vel-ref.cpp
index b40bdbde59939249247a7d849041ab007a584986..0389546933b03cfa44dcd260f853358f772b8060 100755
--- a/src/ZMPRefTrajectoryGeneration/generator-vel-ref.cpp
+++ b/src/ZMPRefTrajectoryGeneration/generator-vel-ref.cpp
@@ -223,7 +223,6 @@ GeneratorVelRef::initialize_matrices( IntermedQPMat::dynamics_t & Dynamics)
              else
  	      Dynamics.U(i,j) = Dynamics.UT(j,i) = 0.0;
  	}
-       cout<<"Dynamics.S: "<<Dynamics.S<<endl;
        break;
 
     case IntermedQPMat::VELOCITY: