diff --git a/kalman_eval.m b/kalman_eval.m
index d21bbd6..4f2a39a 100644
--- a/kalman_eval.m
+++ b/kalman_eval.m
@@ -28,7 +28,6 @@ function kalman_eval(varargin)
 
 	% Parse parameters
 	names = fieldnames(params);
-	varargin
 	for k=1:nargin-1,
 		for n=1:length(names),
 			if strcmpi(varargin{k}, names{n})
@@ -127,14 +126,12 @@ function kalman_eval(varargin)
 		_y = [_y xp];
 
 end
-X
-xp
 
 t = (1:length(_x)) /60*dt;
 subplot(2,1,1)
-plot(t, _x(1,:), t, _y(1,:), '-rx'); legend('x', 'x_p'); grid;
+plot(t, _x(1,:), 'bx', t, _y(1,:), '-r'); legend('x', 'x_p'); grid;
 subplot(2,1,2)
-plot(t, _x(2,:), t, _y(2,:)*dt*60, '-rx'); legend('xd', 'xd_p'); grid;
+plot(t, _x(2,:), 'bx', t, _y(2,:), '-r'); legend('xd', 'xd_p'); grid;
 	
 
 function print_parameters(params)