diff --git a/.circleci/config.yml b/.circleci/config.yml
deleted file mode 100644
index 6f98693addd5cba9a40f6ab9335054951a78b2ee..0000000000000000000000000000000000000000
--- a/.circleci/config.yml
+++ /dev/null
@@ -1,13 +0,0 @@
-# Use the latest 2.1 version of CircleCI pipeline process engine. See: https://circleci.com/docs/2.0/configuration-reference
-version: 2.1
-# Use a package of configuration called an orb.
-orbs:
-  # Declare a dependency on the welcome-orb
-  welcome: circleci/welcome-orb@0.4.1
-# Orchestrate or schedule a set of jobs
-workflows:
-  # Name the workflow "welcome"
-  welcome:
-    # Run the welcome/run job in its own container
-    jobs:
-      - welcome/run
diff --git a/.drone.yml b/.drone.yml
deleted file mode 100644
index f4ab3c92519ed218820e07c7fa8ed645f93d94d4..0000000000000000000000000000000000000000
--- a/.drone.yml
+++ /dev/null
@@ -1,264 +0,0 @@
----
-kind: pipeline
-name: test_arm64_bionic
-
-platform:
-  os: linux
-  arch: arm64
-steps:
-- name: build
-  image: arm64v8/ubuntu:bionic
-  commands:
-  - apt-get update
-  - apt-get install -y cmake  git build-essential wget
-  - wget https://dl.google.com/go/go1.16.9.linux-arm64.tar.gz
-  - tar -C /usr/local -xzf go1.16.9.linux-arm64.tar.gz
-  - export PATH=$PATH:/usr/local/go/bin
-  - git submodule update --init --recursive
-  - mkdir debug
-  - cd debug
-  - cmake .. -DCPUTYPE=aarch64 > /dev/null
-  - make -j4 
-  trigger:
-    event:
-      - pull_request
-  when:
-    branch:
-    - develop
-    - master
-    - 2.0
----
-kind: pipeline
-name: test_arm64_focal
-
-platform:
-  os: linux
-  arch: arm64
-
-steps:
-- name: build
-  image: arm64v8/ubuntu:focal
-  commands:
-  - echo 'debconf debconf/frontend select Noninteractive' | debconf-set-selections
-  - apt-get update 
-  - apt-get install -y -qq git cmake build-essential wget
-  - wget https://dl.google.com/go/go1.16.9.linux-arm64.tar.gz
-  - tar -C /usr/local -xzf go1.16.9.linux-arm64.tar.gz
-  - export PATH=$PATH:/usr/local/go/bin
-  - git submodule update --init --recursive
-  - mkdir debug
-  - cd debug
-  - cmake .. -DCPUTYPE=aarch64 > /dev/null
-  - make -j4 
-  trigger:
-    event:
-      - pull_request
-  when:
-    branch:
-    - develop
-    - master
-    - 2.0
----
-kind: pipeline
-name: test_arm64_centos7
-
-platform:
-  os: linux
-  arch: arm64
-
-steps:
-- name: build
-  image: arm64v8/centos:7
-  commands:
-  - yum install -y epel-release
-  - yum install -y gcc gcc-c++ make cmake3  wget git 
-  - wget https://dl.google.com/go/go1.16.9.linux-arm64.tar.gz
-  - tar -C /usr/local -xzf go1.16.9.linux-arm64.tar.gz
-  - export PATH=$PATH:/usr/local/go/bin
-  - ln -s /usr/bin/cmake3 /usr/bin/cmake
-  - go version
-  - git submodule update --init --recursive
-  - mkdir debug
-  - cd debug
-  - cmake3 .. -DCPUTYPE=aarch64 > /dev/null
-  - make -j4 
-  trigger:
-    event:
-      - pull_request
-  when:
-    branch:
-    - develop
-    - master
-    - 2.0
----
-kind: pipeline
-name: test_arm64_centos8
-
-platform:
-  os: linux
-  arch: arm64
-
-steps:
-- name: build
-  image: arm64v8/centos:8
-  commands:
-  - dnf install -y gcc gcc-c++ make cmake epel-release git libarchive golang
-  - git submodule update --init --recursive
-  - mkdir debug
-  - cd debug
-  - cmake .. -DCPUTYPE=aarch64 > /dev/null
-  - make -j4 
-  trigger:
-    event:
-      - pull_request
-  when:
-    branch:
-    - develop
-    - master
-    - 2.0
----
-kind: pipeline
-name: test_arm_bionic
-
-platform:
-  os: linux
-  arch: arm
-
-steps:
-- name: build
-  image: arm32v7/ubuntu:bionic
-  commands:
-  - apt-get update
-  - apt-get install -y cmake build-essential golang-go git
-  - git submodule update --init --recursive
-  - mkdir debug
-  - cd debug
-  - cmake .. -DCPUTYPE=aarch32 > /dev/null
-  - make -j4 
-  trigger:
-    event:
-      - pull_request
-  when:
-    branch:
-    - develop
-    - master
-    - 2.0
----
-kind: pipeline
-name: build_trusty
-
-platform:
-  os: linux
-  arch: amd64
-
-steps:
-- name: build
-  image: ubuntu:trusty
-  commands:
-  - apt-get update
-  - apt-get install -y gcc cmake3 build-essential git binutils-2.26 wget 
-  - wget https://dl.google.com/go/go1.16.9.linux-amd64.tar.gz
-  - tar -C /usr/local -xzf go1.16.9.linux-amd64.tar.gz
-  - export PATH=$PATH:/usr/local/go/bin
-  - git submodule update --init --recursive
-  - mkdir debug
-  - cd debug
-  - cmake .. 
-  - make -j4 
-  trigger:
-    event:
-      - pull_request
-  when:
-    branch:
-    - develop
-    - master
-    - 2.0
----
-kind: pipeline
-name: build_xenial
-
-platform:
-  os: linux
-  arch: amd64
-
-steps:
-- name: build
-  image: ubuntu:xenial
-  commands:
-  - apt-get update
-  - apt-get install -y gcc cmake build-essential  git wget
-  - wget https://dl.google.com/go/go1.16.9.linux-amd64.tar.gz
-  - tar -C /usr/local -xzf go1.16.9.linux-amd64.tar.gz
-  - export PATH=$PATH:/usr/local/go/bin
-  - git submodule update --init --recursive
-  - mkdir debug
-  - cd debug
-  - cmake .. 
-  - make -j4 
-  trigger:
-    event:
-      - pull_request
-  when:
-    branch:
-    - develop
-    - master
-    - 2.0
----
-kind: pipeline
-name: build_bionic
-platform:
-  os: linux
-  arch: amd64
-
-steps:
-- name: build
-  image: ubuntu:bionic
-  commands:
-  - apt-get update
-  - apt-get install -y gcc cmake build-essential  git wget
-  - wget https://dl.google.com/go/go1.16.9.linux-amd64.tar.gz
-  - tar -C /usr/local -xzf go1.16.9.linux-amd64.tar.gz
-  - export PATH=$PATH:/usr/local/go/bin
-  - git submodule update --init --recursive
-  - mkdir debug
-  - cd debug
-  - cmake .. 
-  - make -j4 
-  trigger:
-    event:
-      - pull_request
-  when:
-    branch:
-    - develop
-    - master
-    - 2.0
----
-kind: pipeline
-name: build_centos7
-platform:
-  os: linux
-  arch: amd64
-
-steps:
-- name: build
-  image: ansible/centos7-ansible
-  commands:
-  - yum install -y epel-release
-  - yum install -y gcc gcc-c++ make cmake3  wget git 
-  - wget https://dl.google.com/go/go1.16.9.linux-amd64.tar.gz
-  - tar -C /usr/local -xzf go1.16.9.linux-amd64.tar.gz
-  - export PATH=$PATH:/usr/local/go/bin
-  - ln -s /usr/bin/cmake3 /usr/bin/cmake
-  - git submodule update --init --recursive
-  - mkdir debug
-  - cd debug
-  - cmake3 .. 
-  - make -j4 
-  trigger:
-    event:
-      - pull_request
-  when:
-    branch:
-    - develop
-    - master
-    - 2.0
\ No newline at end of file