diff --git a/firmware/.devcontainer/devcontainer.json b/firmware/.devcontainer/devcontainer.json
deleted file mode 100644
index c8e8974..0000000
--- a/firmware/.devcontainer/devcontainer.json
+++ /dev/null
@@ -1,44 +0,0 @@
-// For format details, see https://aka.ms/devcontainer.json. For config options, see the README at:
-// https://github.com/microsoft/vscode-dev-containers/tree/v0.177.0/containers/docker-existing-dockerfile
-{
-	"name": "Moddable develop",
-
-	// Sets the run context to one level up instead of the .devcontainer folder.
-	"context": "..",
-
-	// Update the 'dockerFile' property if you aren't using the standard 'Dockerfile' filename.
-	"dockerFile": "../docker/Dockerfile",
-
-	// Set *default* container specific settings.json values on container create.
-	// "settings": { 
-	// 	"terminal.integrated.shell.linux": null
-	// },
-
-	// Add the IDs of extensions you want installed when the container is created.
-	"extensions": [],
-
-	// Use 'forwardPorts' to make a list of ports inside the container available locally.
-	// "forwardPorts": [],
-
-	// Uncomment the next line to run commands after the container is created - for example installing curl.
-	// "postCreateCommand": "apt-get update && apt-get install -y curl",
-	"postCreateCommand": "npm install",
-
-	// Uncomment when using a ptrace-based debugger like C++, Go, and Rust
-	// "runArgs": [ "--cap-add=SYS_PTRACE", "--security-opt", "seccomp=unconfined" ],
-	"runArgs": ["--privileged", "--net=host"],
-
-	"containerEnv": {
-		"DISPLAY": "${localEnv:DISPLAY}"
-	},
-
-	// Uncomment to use the Docker CLI from inside the container. See https://aka.ms/vscode-remote/samples/docker-from-docker.
-	// "mounts": [ "source=/var/run/docker.sock,target=/var/run/docker.sock,type=bind" ],
-	"mounts": [
-		"type=volume,source=stackchan_firmware_node_modules,target=/workspace/node_modules",
-		"type=bind,source=/dev,target=/dev,type=bind"
-	],
-
-	// Uncomment to connect as a non-root user if you've added one. See https://aka.ms/vscode-remote/containers/non-root.
-	"remoteUser": "root"
-}
diff --git a/firmware/docker/Dockerfile b/firmware/docker/Dockerfile
deleted file mode 100644
index 1d9c6da..0000000
--- a/firmware/docker/Dockerfile
+++ /dev/null
@@ -1,11 +0,0 @@
-FROM meganetaaan/moddable-esp32:3.9.7
-LABEL maintainer "Shinya Ishikawa<ishikawa.s.1027@gmail.com>"
-
-RUN curl -SL https://deb.nodesource.com/setup_14.x | bash \
-    && apt-get update \
-    && apt-get install -y --no-install-recommends \
-    nodejs \
-    && apt-get clean \
-    && rm -rf /var/lib/apt/lists/*
-RUN npm install --global typescript
-RUN echo ". /opt/esp/idf/export.sh" >> /root/.bashrc
diff --git a/firmware/docker/build-container.sh b/firmware/docker/build-container.sh
deleted file mode 100755
index b578614..0000000
--- a/firmware/docker/build-container.sh
+++ /dev/null
@@ -1,3 +0,0 @@
-#!/bin/bash
-# Run from `stack-chan/firmware`
-docker build ./docker -t stack-chan/dev
diff --git a/firmware/docker/launch-container.sh b/firmware/docker/launch-container.sh
deleted file mode 100755
index dedb5e3..0000000
--- a/firmware/docker/launch-container.sh
+++ /dev/null
@@ -1,12 +0,0 @@
-#!/bin/bash
-xhost +local:
-docker run \
-    --rm -it \
-    --privileged \
-    --mount "type=volume,src=node_modules,dst=/workspace/node_modules" \
-    --mount "type=bind,src=${PWD},dst=/workspace" \
-    -v /dev:/dev \
-    -e DISPLAY=$DISPLAY \
-    --net=host \
-    stack-chan/dev
-xhost -local:
diff --git a/firmware/docker/stack-chan.code-workspace b/firmware/docker/stack-chan.code-workspace
deleted file mode 100644
index 4532bab..0000000
--- a/firmware/docker/stack-chan.code-workspace
+++ /dev/null
@@ -1,11 +0,0 @@
-{
-	"folders": [
-		{
-			"path": "../.."
-		},
-		{
-			"path": "../../../../../../../home/sskw/.local/share/moddable"
-		}
-	],
-	"settings": {}
-}
\ No newline at end of file