diff --git a/documentation/docfx_project/setup/index.md b/documentation/docfx_project/setup/index.md
index e4f389c..c4aeea0 100644
--- a/documentation/docfx_project/setup/index.md
+++ b/documentation/docfx_project/setup/index.md
@@ -196,7 +196,6 @@ sudo docker run --rm --runtime=nvidia --gpus all nvidia/cuda:11.6.2-base-ubuntu2
     ```
     sudo apt install -y git-lfs
     git lfs clone https://github.com/AutomotiveAIChallenge/aichallenge2023-racing
-    cd aichallenge2023-racing
     ```
     3. 大会用dockerイメージのビルド
     ```
diff --git a/documentation/docfx_project_en/setup/index.md b/documentation/docfx_project_en/setup/index.md
index b1bfab6..92d84f3 100644
--- a/documentation/docfx_project_en/setup/index.md
+++ b/documentation/docfx_project_en/setup/index.md
@@ -98,8 +98,6 @@ Please install the following.
     ```
     sudo apt install -y git-lfs
     git lfs clone https://github.com/AutomotiveAIChallenge/aichallenge2023-racing
-    cd aichallenge2023-racing
-    git submodule update --init --recursive
     ```
     3. build docker image for competition
     ```