diff --git a/.travis.yml b/.travis.yml
deleted file mode 100644
index 22006d7..0000000
--- a/.travis.yml
+++ /dev/null
@@ -1,63 +0,0 @@
-git:
-  lfs_skip_smudge: true
-
-matrix:
-  include:
-    - os: linux
-      dist: xenial
-      env: 
-        - APP_NAME="FBX2glTF-linux-x64"
-        - CONAN_CONFIG="-s compiler.libcxx=libstdc++11"
-        - FBXSDK_TARBALL="https://github.com/zellski/FBXSDK-Linux/archive/2019.2.tar.gz"
-        - TAR_WILDCARDS="--wildcards"
-    - os: osx
-      osx_image: xcode10.2
-      env:
-        - APP_NAME="FBX2glTF-darwin-x64"
-        - CONAN_CONFIG="-s compiler=apple-clang -s compiler.version=10.0 -s compiler.libcxx=libc++"
-        - FBXSDK_TARBALL="https://github.com/zellski/FBXSDK-Darwin/archive/2019.2.tar.gz"
-        - TAR_WILDCARDS=""
-compiler: gcc
-language: generic
-
-#disabled for now
-#cache:
-#  directories:
-#  - ${HOME}/.conan
-
-addons:
-  apt:
-    packages: zstd
-  homebrew:
-    packages: zstd
-
-install:
-- curl -sL "${FBXSDK_TARBALL}" | tar xz --strip-components=1 ${TAR_WILDCARDS} */sdk
-- zstd -d -r --rm sdk
-- git clone --depth 1 git://github.com/astropy/ci-helpers.git
-- source ci-helpers/travis/setup_conda.sh
-- conda config --set always_yes yes
-- conda info -a
-- conda create -n travis_env python=3.7 pip
-- conda activate travis_env
-- pip install conan
-- conan user
-- conan remote add --force bincrafters https://api.bintray.com/conan/bincrafters/public-conan
-
-script:
-- conan install . -i build -s build_type=Release ${CONAN_CONFIG}
-- conan build . -bf build
-- mv build/FBX2glTF build/${APP_NAME}
-
-notifications:
-  webhooks:
-    - "https://code.facebook.com/travis/webhook/"
-deploy:
-  provider: releases
-  api_key:
-    secure: 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
-  file: build/${APP_NAME}
-  skip_cleanup: true
-  on:
-    repo: facebookincubator/FBX2glTF
-    tags: true
diff --git a/appveyor.yml b/appveyor.yml
deleted file mode 100644
index 4ae70e7..0000000
--- a/appveyor.yml
+++ /dev/null
@@ -1,58 +0,0 @@
-# version format
-version: 1.0.{build}
-
-environment:
-  matrix:
-    - APPVEYOR_BUILD_WORKER_IMAGE: Visual Studio 2017
-      PYTHON: "C:\\Python36-x64"
-  FBXSDK_SDKS: sdk
-
-stack: python %PYTHON%
-
-#temporarily disabled
-#cache:
-#  - C:\Users\appveyor\.conan\data -> appveyor.yml, conanfile.py
-
-init:
-  - git config --global filter.lfs.required false
-  - git config --global filter.lfs.smudge "git-lfs smudge --skip %f"
-  - git config --global filter.lfs.process "git-lfs filter-process --skip"
-
-install:
-  - cinst zstandard
-  - ps: Start-FileDownload 'https://github.com/zellski/FBXSDK-Windows/archive/2019.2.tar.gz'
-  - 7z e 2019.2.tar.gz
-  - 7z x 2019.2.tar
-  - ps: move -v .\FBXSDK-Windows-2019.2\sdk\ .
-  - ps: zstd -d -r --rm sdk
-  - cmd: echo "Downloading conan..."
-  - cmd: set PATH=%PYTHON%;%PYTHON%\Scripts;%PATH%
-  - cmd: python --version
-  - cmd: python -m pip install --upgrade pip
-  - cmd: pip install conan
-  - cmd: conan user # Create the conan data directory
-  - cmd: conan remote add bincrafters https://api.bintray.com/conan/bincrafters/public-conan
-  - cmd: conan --version
-
-build_script:
-  - cmd: conan install . -i build -s build_type=Release -s compiler="Visual Studio" -s compiler.version=15
-  - cmd: conan build -bf build .
-  - cmd: move build\Release\FBX2glTF.exe build\Release\FBX2glTF-windows-x64.exe
-
-test: off
-
-artifacts:
-  - path: build/Release/FBX2glTF-windows-x64.exe
-
-deploy:
-  tag: $(APPVEYOR_REPO_TAG_NAME)
-  description: ''
-  provider: GitHub
-  auth_token:
-    secure: OSvhQP0O9uaH+OFOJpbGiiBMRTOJ+H/VJHqVBhq39RNDnOfUEr/yjJNKh3JSdNqj
-  artifact: build/Release/FBX2glTF-windows-x64.exe
-  draft: true
-  prerelease: true
-  on:
-    branch: master
-    APPVEYOR_REPO_TAG: true
diff --git a/azure-pipelines.yml b/azure-pipelines.yml
deleted file mode 100644
index cd618a0..0000000
--- a/azure-pipelines.yml
+++ /dev/null
@@ -1,101 +0,0 @@
-# C/C++ with GCC
-# Build your C/C++ project with GCC using make.
-# Add steps that publish test results, save build artifacts, deploy, and more:
-# https://docs.microsoft.com/azure/devops/pipelines/apps/c-cpp/gcc
-
-jobs:
-- job: Linux
-  pool:
-    vmImage: 'Ubuntu 16.04'
-
-  steps:
-  - task: UsePythonVersion@0
-    inputs:
-      versionSpec: '3.6'
-      architecture: 'x64'
-
-  - script: python -m pip install --upgrade pip setuptools wheel
-    displayName: 'Install Python tools'
-
-  - script: |
-      pip install conan
-      conan remote add bincrafters https://api.bintray.com/conan/bincrafters/public-conan
-    displayName: 'Install & configure Conan'
-
-  - script: |
-      conan install . -i build -s build_type=Release -e FBXSDK_SDKS=sdk
-    displayName: 'Resolve binary dependencies and build CMake files.'
-
-  - script: |
-      conan build -bf build .
-      mv build/FBX2glTF build/FBX2glTF-linux-x64
-    displayName: 'Build FBX2glTF'
-
-  - task: PublishBuildArtifacts@1
-    inputs:
-      pathtoPublish: 'build/FBX2glTF-linux-x64'
-      artifactName: 'binaries'
-
-- job: Mac
-  pool:
-    vmImage: 'macOS-10.14'
-
-  steps:
-  - task: UsePythonVersion@0
-    inputs:
-      versionSpec: '3.6'
-      architecture: 'x64'
-
-  - script: python -m pip install --upgrade pip setuptools wheel
-    displayName: 'Install Python tools'
-
-  - script: |
-      pip install conan
-      conan remote add bincrafters https://api.bintray.com/conan/bincrafters/public-conan
-    displayName: 'Install Conan'
-
-  - script: |
-      conan install . -i build -s compiler=apple-clang -s compiler=apple-clang -s compiler.version=10.0 -s compiler.libcxx=libc++ -s build_type=Release -e FBXSDK_SDKS=sdk
-    displayName: 'Resolve binary dependencies and build CMake files.'
-
-  - script: |
-      conan build -bf build .
-      mv build/FBX2glTF build/FBX2glTF-darwin-x64
-    displayName: 'Build FBX2glTF'
-
-  - task: PublishBuildArtifacts@1
-    inputs:
-      pathtoPublish: 'build/FBX2glTF-darwin-x64'
-      artifactName: 'binaries'
-
-- job: Windows
-  pool:
-    vmImage: 'vs2017-win2016'
-
-  steps:
-  - task: UsePythonVersion@0
-    inputs:
-      versionSpec: '3.6'
-      architecture: 'x64'
-
-  - script: python -m pip install --upgrade pip setuptools wheel
-    displayName: 'Install Python tools'
-
-  - script: |
-      pip install conan
-      conan remote add bincrafters https://api.bintray.com/conan/bincrafters/public-conan
-    displayName: 'Install Conan'
-
-  - script: |
-      conan install . -i build -s build_type=Release -e FBXSDK_SDKS=sdk
-    displayName: 'Resolve binary dependencies and build CMake files.'
-
-  - script: |
-      conan build -bf build .
-      move build\Release\FBX2glTF.exe build\Release\FBX2glTF-windows-x64.exe
-    displayName: 'Build FBX2glTF'
-
-  - task: PublishBuildArtifacts@1
-    inputs:
-      pathtoPublish: 'build/Release/FBX2glTF-windows-x64.exe'
-      artifactName: 'binaries'