diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
deleted file mode 100644
index 55046ec..0000000
--- a/.gitlab-ci.yml
+++ /dev/null
@@ -1,71 +0,0 @@
-# Redmine plugin for Custom Workflows
-#
-# Copyright © 2015-19 Anton Argirov
-# Copyright © 2019-22 Karel Pičman <karel.picman@kontron.com>
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
-
-image: docker:stable
-
-before_script:
-  - docker info
-
-stages:
-  - custom_workflows
-
-mariadb:
-  stage: custom_workflows
-  tags:
-    - docker
-  script:
-    # Create an image
-    - docker build -t custom_workflows_image -f Dockerfile .
-    # Run the container, optionally run some tests/apps in it
-    - docker rm -f custom_workflows_container 2>/dev/null || true
-    - docker run --name custom_workflows_container custom_workflows_image bash ./test/ci/ci.sh mariadb
-    # Remove the container
-    - docker rm custom_workflows_container
-    # Remove image
-    - docker rmi custom_workflows_image
-
-postgres:
-  stage: custom_workflows
-  tags:
-    - docker
-  script:
-    # Create an image
-    - docker build -t custom_workflows_image -f Dockerfile .
-    # Run the container, optionally run some tests/apps in it
-    - docker rm -f custom_workflows_container 2>/dev/null || true
-    - docker run --name custom_workflows_container custom_workflows_image bash ./test/ci/ci.sh postgres
-    # Remove the container
-    - docker rm custom_workflows_container
-    # Remove image
-    - docker rmi custom_workflows_image
-
-sqlite3:
-  stage: custom_workflows
-  tags:
-    - docker
-  script:
-    # Create an image
-    - docker build -t custom_workflows_image -f Dockerfile .
-    # Run the container, optionally run some tests/apps in it
-    - docker rm -f custom_workflows_container 2>/dev/null || true
-    - docker run --name custom_workflows_container custom_workflows_image bash ./test/ci/ci.sh sqlite3
-    # Remove the container
-    - docker rm custom_workflows_container
-    # Remove image
-    - docker rmi custom_workflows_image
diff --git a/test/ci/ci.sh b/test/ci/ci.sh
deleted file mode 100644
index 00f9abf..0000000
--- a/test/ci/ci.sh
+++ /dev/null
@@ -1,109 +0,0 @@
-#!/bin/bash
-# Redmine plugin for Custom Workflows
-#
-# Copyright © 2015-19 Anton Argirov
-# Copyright © 2019-22 Karel Pičman <karel.picman@kontron.com>
-#
-# This program is free software; you can redistribute it and/or
-# modify it under the terms of the GNU General Public License
-# as published by the Free Software Foundation; either version 2
-# of the License, or (at your option) any later version.
-#
-# This program is distributed in the hope that it will be useful,
-# but WITHOUT ANY WARRANTY; without even the implied warranty of
-# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-# GNU General Public License for more details.
-#
-# You should have received a copy of the GNU General Public License
-# along with this program; if not, write to the Free Software
-# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
-#
-# The script for GitLab Continuous Integration
-
-# Exit if any command fails
-set -e
-
-# Display the first argument (DB engine)
-echo $1
-
-# Variables
-REDMINE_REPO=http://svn.redmine.org/redmine/branches/4.2-stable/
-REDMINE_PATH=/opt/redmine
-
-# Init
-rm -rf "${REDMINE_PATH}"
-
-# Clone Redmine
-svn export "${REDMINE_REPO}" "${REDMINE_PATH}"
-
-# Add the plugin
-ln -s /app "${REDMINE_PATH}"/plugins/redmine_custom_workflows
-
-# Prepare the database
-cp "./test/ci/$1.yml" "${REDMINE_PATH}/config/database.yml"
-case $1 in
-
-  mariadb)
-    /etc/init.d/$1 start
-    mariadb -e "CREATE DATABASE IF NOT EXISTS test CHARACTER SET utf8mb4"
-    mariadb -e "CREATE USER 'redmine'@'localhost' IDENTIFIED BY 'redmine'";
-    mariadb -e "GRANT ALL PRIVILEGES ON test.* TO 'redmine'@'localhost'";
-    ;;
-
-  postgres)
-    /etc/init.d/$1ql start
-    su -c "psql -c \"CREATE ROLE redmine LOGIN ENCRYPTED PASSWORD 'redmine' NOINHERIT VALID UNTIL 'infinity';\"" postgres
-    su -c "psql -c \"CREATE DATABASE test WITH ENCODING='UTF8' OWNER=redmine;\"" postgres
-    su -c "psql -c \"ALTER USER redmine CREATEDB;\"" postgres
-    ;;
-
-  sqlite3)
-    ;;
-
-  *)
-    echo 'Missing argument'
-    exit 1
-    ;;
-esac
-
-# Install Redmine
-cd "${REDMINE_PATH}"
-gem install bundler
-RAILS_ENV=test bundle config set --local without 'development'
-RAILS_ENV=test bundle install
-RAILS_ENV=test bundle exec rake generate_secret_token
-RAILS_ENV=test bundle exec rake db:migrate
-RAILS_ENV=test bundle exec rake redmine:plugins:migrate
-RAILS_ENV=test REDMINE_LANG=en bundle exec rake redmine:load_default_data
-
-# Run Redmine tests
-#RAILS_ENV=test bundle exec rake test
-
-# Run Custom Workflows' tests
-bundle exec rake redmine:plugins:test:units NAME=redmine_custom_workflows RAILS_ENV=test
-bundle exec rake redmine:plugins:test:functionals NAME=redmine_custom_workflows RAILS_ENV=test
-bundle exec rake redmine:plugins:test:integration NAME=redmine_custom_workflows RAILS_ENV=test
-
-# Clean up database from the plugin changes
-bundle exec rake redmine:plugins:migrate NAME=redmine_custom_workflows VERSION=0 RAILS_ENV=test
-
-case $1 in
-
-  mariadb)
-    /etc/init.d/$1 stop
-    ;;
-
-  postgres)
-    /etc/init.d/$1ql stop
-    ;;
-
-  sqlite3)
-    ;;
-
-  *)
-    echo 'Missing argument'
-    exit 1
-    ;;
-esac
-
-echo "$1 Okay"