diff --git a/autoware_perception_msgs/msg/PredictedObjectKinematics.msg b/autoware_perception_msgs/msg/PredictedObjectKinematics.msg
index 8d66d4c..267e71b 100644
--- a/autoware_perception_msgs/msg/PredictedObjectKinematics.msg
+++ b/autoware_perception_msgs/msg/PredictedObjectKinematics.msg
@@ -1,4 +1,4 @@
 geometry_msgs/PoseWithCovariance initial_pose_with_covariance
 geometry_msgs/TwistWithCovariance initial_twist_with_covariance
 geometry_msgs/AccelWithCovariance initial_acceleration_with_covariance
-PredictedPath[100] predicted_paths
+PredictedPath[] predicted_paths
diff --git a/autoware_perception_msgs/msg/PredictedPath.msg b/autoware_perception_msgs/msg/PredictedPath.msg
index 0fcdfeb..adfdd2b 100644
--- a/autoware_perception_msgs/msg/PredictedPath.msg
+++ b/autoware_perception_msgs/msg/PredictedPath.msg
@@ -1,3 +1,3 @@
-geometry_msgs/Pose[100] path
+geometry_msgs/Pose[] path
 builtin_interfaces/Duration time_step
 float32 confidence