diff --git a/pps_ws/src/d_fall_pps/launch/Config.sh b/pps_ws/src/d_fall_pps/launch/Config.sh
index 38ea099aa6873d63dd1a638a73f36498fd146f50..ef8a0e84bf79a691210e7852cb221242639e7f72 100755
--- a/pps_ws/src/d_fall_pps/launch/Config.sh
+++ b/pps_ws/src/d_fall_pps/launch/Config.sh
@@ -1,5 +1,4 @@
 export ROS_MASTER_URI=http://teacher:11311
 export ROS_IP=$(hostname -I | awk '{print $1;}')
-export ROS_HOSTNAME=student$(cat /etc/StudentID)
 export ROS_NAMESPACE=$(cat /etc/StudentID)