diff --git a/franka_control/config/franka_combined_control_node.yaml b/franka_control/config/franka_combined_control_node.yaml
index 9ca2df8e56ee6de6c6868c7392a6cccd24aa4415..fa103fabc97615ed6f0e37f686e53ba7cdc3d338 100644
--- a/franka_control/config/franka_combined_control_node.yaml
+++ b/franka_control/config/franka_combined_control_node.yaml
@@ -5,7 +5,6 @@ robot_hardware:
 panda_1:
   type: franka_hw/FrankaCombinableHW
   arm_id: panda_1
-  robot_ip: robot_1
   joint_names:
     - panda_1_joint1
     - panda_1_joint2
@@ -38,7 +37,6 @@ panda_1:
 panda_2:
   type: franka_hw/FrankaCombinableHW
   arm_id: panda_2
-  robot_ip: robot_2
   joint_names:
     - panda_2_joint1
     - panda_2_joint2
diff --git a/franka_control/launch/franka_combined_control.launch b/franka_control/launch/franka_combined_control.launch
index 12ff4f476d66790cb6c71c95c603525ebdeeeddd..bfdf67336a144b64800d5c199443eb3282dba7a0 100644
--- a/franka_control/launch/franka_combined_control.launch
+++ b/franka_control/launch/franka_combined_control.launch
@@ -17,7 +17,7 @@
 
   <!-- Optional arg to manually configure the ips of all robots, overwriting ips that are configured in hw_config_file -->
   <!-- The ips must be set as dictionary like {<arm_id_1>/robot_ip: <my_ip_1>, <arm_id_2>/robot_ip: <my_ip_2>} -->
-  <arg name="robot_ips" default="{}" />
+  <arg name="robot_ips" />
 
   <!-- The config file containing the parameterization for all controllers to start with this launch file -->
   <arg name="controllers_file" default="$(find franka_control)/config/default_combined_controllers.yaml" />