diff --git a/example_13/test/test_three_robots_launch.py b/example_13/test/test_three_robots_launch.py
index 8f7460993..95d75b86b 100644
--- a/example_13/test/test_three_robots_launch.py
+++ b/example_13/test/test_three_robots_launch.py
@@ -329,9 +329,7 @@ def test_behavior(self, proc_output):
             "/joint_states",
             [
                 "rrbot_with_sensor_joint1",
-                "rrbot_joint1",
                 "rrbot_with_sensor_joint2",
-                "rrbot_joint2",
                 "threedofbot_joint1",
                 "threedofbot_joint2",
                 "threedofbot_joint3",