diff --git a/ros/docker-compose.yml b/ros/docker-compose.yml
index 37fa0246b..42c68842a 100644
--- a/ros/docker-compose.yml
+++ b/ros/docker-compose.yml
@@ -69,10 +69,9 @@ services:
             - 'QT_X11_NO_MITSHM=1'
         volumes:
             - '/tmp/.X11-unix:/tmp/.X11-unix'
+            - './docker/3dlidar/3dlidar_launch:/app/ros_ws/src/3dlidar_launch'
         depends_on:
             - master
-        volumes:
-            - './docker/3dlidar/3dlidar_launch:/app/ros_ws/src/3dlidar_launch'
         ports:
             - 2368:2368/udp
             - 8308:8308/udp
diff --git a/ros/docker/imu/Dockerfile b/ros/docker/imu/Dockerfile
index 259a9a8b2..fa48db5c7 100644
--- a/ros/docker/imu/Dockerfile
+++ b/ros/docker/imu/Dockerfile
@@ -13,7 +13,6 @@ RUN apt-get update && apt install -y \
     python3-pip --fix-missing 
 
 run apt-get install -y ros-noetic-imu-tools 
-# (cloned package locally instead)
 
 RUN apt update && apt install -y curl