diff --git a/Jenkinsfile b/Jenkinsfile
index e6a3dc2..d92847f 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -18,7 +18,7 @@ node('docker && linux-build') {
       stage('Environment') {
         checkout scm
 
-        def environment = docker.build('build-environment:build-rock64-image', 'environment')
+        def environment = docker.image('ayufan/rock64-dockerfiles:x86_64')
 
         environment.inside("--privileged -u 0:0") {
           withEnv([
diff --git a/Makefile.dev.mk b/Makefile.dev.mk
index a02a69a..0f3e34f 100644
--- a/Makefile.dev.mk
+++ b/Makefile.dev.mk
@@ -27,8 +27,6 @@ pull-trees:
 
 .PHONY: shell		# run docker shell to build image
 shell:
-	@echo Building environment...
-	@docker build -q -t rock64-linux:build-environment environment/
 	@echo Entering shell...
 	@docker run --rm \
 		-it \
@@ -44,4 +42,4 @@ shell:
 		-h rock64-build-env \
 		-v $(CURDIR):$(CURDIR) \
 		-w $(CURDIR) \
-		rock64-linux:build-environment
+		ayufan/rock64-dockerfiles:x86_64
diff --git a/README.md b/README.md
index 62d9800..4ef18c1 100644
--- a/README.md
+++ b/README.md
@@ -53,8 +53,6 @@ You can easily compile everything stored in this repository by ensuring that you
 
     ```bash
     $ make shell
-    Building environment...
-    sha256:0aa8a81c687f58bc9b46e33ea6b5f01188c85874ceb729767dfe882b2783abd2
     Entering shell...
     ayufan@rock64-build-env:~/Sources/linux-build$ make sync
     repo init -u https://github.com/ayufan-rock64/linux-manifests -b default --depth=1 --no-clone-bundle
diff --git a/environment/Dockerfile b/environment/Dockerfile
deleted file mode 100644
index 71990c6..0000000
--- a/environment/Dockerfile
+++ /dev/null
@@ -1,55 +0,0 @@
-FROM ubuntu:bionic
-
-RUN apt-get update -y && \
-    apt-get install -y python git-core gnupg flex bison gperf build-essential \
-    zip curl zlib1g-dev libc6-dev-i386 \
-    lib32ncurses5-dev x11proto-core-dev libx11-dev lib32z-dev ccache \
-    libgl1-mesa-dev libxml2-utils xsltproc unzip mtools u-boot-tools \
-    htop iotop sysstat iftop pigz bc device-tree-compiler lunzip \
-    dosfstools gcc-aarch64-linux-gnu g++-aarch64-linux-gnu \
-    gcc-arm-linux-gnueabi g++-arm-linux-gnueabi ccache \
-    sudo cpio nano vim kmod kpartx wget bsdtar qemu-user-static \
-    pxz ruby-dev debootstrap multistrap libssl-dev parted \
-    live-build linaro-image-tools jq locales \
-    gawk swig libpython-dev libusb-1.0-0-dev \
-    pkg-config autoconf
-
-RUN locale-gen en_US.UTF-8
-
-ENV LANG=en_US.UTF-8 \
-    LANGUAGE=en_US:en \
-    LC_ALL=en_US.UTF-8 \
-    USER=root \
-    HOME=/root
-
-RUN git config --global user.email "you@rock64" && \
-    git config --global user.name "ROCK64 Shell"
-
-RUN gem install fpm
-
-RUN curl -L https://github.com/aktau/github-release/releases/download/v0.7.2/linux-amd64-github-release.tar.bz2 | tar -C /tmp -jx && \
-    mv /tmp/bin/linux/amd64/github-release /usr/local/bin/
-
-RUN which github-release
-RUN curl https://storage.googleapis.com/git-repo-downloads/repo > /usr/local/bin/repo && \
-    chmod +x /usr/local/bin/repo
-
-RUN git clone https://github.com/rockchip-linux/rkflashtool && \
-    make -C rkflashtool install && \
-    rm -rf rkflashtool
-
-RUN git clone https://github.com/rockchip-linux/rkdeveloptool && \
-    cd rkdeveloptool && \
-    autoreconf -i && \
-    ./configure && \
-    make install && \
-    cd .. && \
-    rm -rf rkdeveloptool
-
-RUN ln -s /usr/aarch64-linux-gnu/lib/ld-linux-aarch64.so.1 /lib/
-ENV LD_LIBRARY_PATH=/usr/aarch64-linux-gnu/lib:$LD_LIBRARY_PATH
-
-# Enable passwordless sudo for users under the "sudo" group
-RUN sed -i -e \
-      's/%sudo\s\+ALL=(ALL\(:ALL\)\?)\s\+ALL/%sudo ALL=NOPASSWD:ALL/g' \
-      /etc/sudoers
\ No newline at end of file