diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
deleted file mode 100644
index ff871ce..0000000
--- a/.gitlab-ci.yml
+++ /dev/null
@@ -1,42 +0,0 @@
-variables:
-  LATEST_VER: "22.04"
-  PLATFORMS: "linux/amd64,linux/arm64,linux/arm/v7"
-
-build_22:
-  variables:
-    UBUNTU_VER: "22.04"
-  image: docker:23.0.1
-  stage: build
-  rules:
-    - changes:
-      - Dockerfile
-      - build_command.sh
-      - scripts/**/*
-  script:
-    - sh build_command.sh
-
-build_20:
-  variables:
-    UBUNTU_VER: "20.04"
-  image: docker:23.0.1
-  stage: build
-  rules:
-    - changes:
-      - Dockerfile
-      - build_command.sh
-      - scripts/**/*
-  script:
-    - sh build_command.sh
-
-build_18:
-  variables:
-    UBUNTU_VER: "18.04"
-  image: docker:23.0.1
-  stage: build
-  rules:
-    - changes:
-      - Dockerfile
-      - build_command.sh
-      - scripts/**/*
-  script:
-    - sh build_command.sh
diff --git a/build_command.sh b/build_command.sh
deleted file mode 100644
index 0b21833..0000000
--- a/build_command.sh
+++ /dev/null
@@ -1,39 +0,0 @@
-#!/usr/bin/env sh
-
-set -x # For verbosity
-set -o errexit # The following two causes the script to fail even if one command fail.
-set -o pipefail
-
-export BUILDER_NAME=`docker buildx create --use`
-docker login -u $CI_REGISTRY_USER -p $CI_REGISTRY_PASSWORD $CI_REGISTRY
-
-# Following only adds the :latest tag if it is the latest LTS version.
-if [ "$LATEST_VER" = "$UBUNTU_VER" ];
-then
-    docker buildx build . \
-        -f Dockerfile \
-        --build-arg UBUNTU_VER=$UBUNTU_VER \
-        -t $CI_REGISTRY_IMAGE/ubuntu-$UBUNTU_VER:`date "+%Y-%m-%d"` \
-        -t $CI_REGISTRY_IMAGE/ubuntu-$UBUNTU_VER:latest \
-        -t $CI_REGISTRY_IMAGE:$UBUNTU_VER \
-        --platform $PLATFORMS \
-        --cache-from type=local,src=/cache/$CI_PROJECT_PATH/ubuntu-$UBUNTU_VER \
-        --cache-to type=local,dest=/cache/$CI_PROJECT_PATH/ubuntu-$UBUNTU_VER,mode=max \
-        --push --provenance false
-else
-    docker buildx build . \
-        -f Dockerfile \
-        --build-arg UBUNTU_VER=$UBUNTU_VER \
-        -t $CI_REGISTRY_IMAGE/ubuntu-$UBUNTU_VER:`date "+%Y-%m-%d"` \
-        -t $CI_REGISTRY_IMAGE/ubuntu-$UBUNTU_VER:latest \
-        -t $CI_REGISTRY_IMAGE:$UBUNTU_VER \
-        -t $CI_REGISTRY_IMAGE:latest \
-        --platform $PLATFORMS \
-        --cache-from type=local,src=/cache/$CI_PROJECT_PATH/ubuntu-$UBUNTU_VER \
-        --cache-to type=local,dest=/cache/$CI_PROJECT_PATH/ubuntu-$UBUNTU_VER,mode=max \
-        --push --provenance false
-fi
-
-docker buildx prune --builder $BUILDER_NAME -f
-docker buildx stop $BUILDER_NAME
-docker buildx rm $BUILDER_NAME