diff --git a/src/mapper_sim_naive.cpp b/src/mapper_sim_naive.cpp
index 29528b6..3e1023c 100644
--- a/src/mapper_sim_naive.cpp
+++ b/src/mapper_sim_naive.cpp
@@ -76,7 +76,7 @@ bool next_step();
 void alignButton();
 
 static const int knot_time = 3;
-static const double obs_std_dev = 0.5;
+//static const double obs_std_dev = 0.5;
 
 Eigen::Vector3d g(0, 0, -9.81);