diff --git a/.appveyor.yml b/.appveyor.yml
deleted file mode 100644
index 30b4738c..00000000
--- a/.appveyor.yml
+++ /dev/null
@@ -1,36 +0,0 @@
-environment:
-  global:
-    E2D_WITHOUT_AUDIO: true
-    E2D_WITHOUT_GRAPHICS: true
-
-image:
-  - Visual Studio 2017
-  - Visual Studio 2019
-
-platform:
-  - x86
-  - x64
-
-configuration:
-  - Release
-
-for:
-
--
-  matrix:
-    only:
-      - platform: x86
-        configuration: Release
-  build_script:
-    - .ci\builds\build_windows_x86.bat
-
--
-  matrix:
-    only:
-      - platform: x64
-        configuration: Release
-  build_script:
-    - .ci\builds\build_windows_x64.bat
-
-before_build:
-  - git submodule update --init --recursive
diff --git a/.ci/builds/build_coverage.sh b/.ci/builds/build_coverage.sh
deleted file mode 100755
index ad6bf01a..00000000
--- a/.ci/builds/build_coverage.sh
+++ /dev/null
@@ -1,21 +0,0 @@
-#!/bin/bash
-set -e
-DIR="$( cd "$( dirname "${BASH_SOURCE}" )" && pwd )"
-
-ROOT_DIR="${DIR}/../.."
-BUILD_DIR="${ROOT_DIR}/build/coverage"
-
-mkdir -p "${BUILD_DIR}"
-(cd "${BUILD_DIR}" && cmake "${ROOT_DIR}" -DCMAKE_BUILD_TYPE=Debug -DE2D_BUILD_WITH_COVERAGE=ON)
-(cd "${BUILD_DIR}" && cmake --build .)
-
-(cd "${BUILD_DIR}" && lcov -d . -z)
-(cd "${BUILD_DIR}" && ctest --verbose)
-
-(cd "${BUILD_DIR}" && lcov -d . -c -o "coverage.info")
-(cd "${BUILD_DIR}" && lcov -r "coverage.info"\
-    "*/usr/*" "*/Xcode.app/*" "*/untests/*" "*/samples/*" "*/3rdparty/*" "*/modules/*"\
-    -o "coverage.info")
-(cd "${BUILD_DIR}" && lcov -l "coverage.info")
-
-bash <(curl -s https://codecov.io/bash) -f "${BUILD_DIR}/coverage.info" || echo "Codecov did not collect coverage reports"
diff --git a/.ci/builds/build_darwin.sh b/.ci/builds/build_darwin.sh
deleted file mode 100755
index 85758f8d..00000000
--- a/.ci/builds/build_darwin.sh
+++ /dev/null
@@ -1,11 +0,0 @@
-#!/bin/bash
-set -e
-DIR="$( cd "$( dirname "${BASH_SOURCE}" )" && pwd )"
-
-ROOT_DIR="${DIR}/../.."
-BUILD_DIR="${ROOT_DIR}/build/darwin"
-
-mkdir -p "${BUILD_DIR}"
-(cd "${BUILD_DIR}" && cmake "${ROOT_DIR}" -DCMAKE_BUILD_TYPE=Release)
-(cd "${BUILD_DIR}" && cmake --build .)
-(cd "${BUILD_DIR}" && ctest --verbose)
diff --git a/.ci/builds/build_linux.sh b/.ci/builds/build_linux.sh
deleted file mode 100755
index 0703deb4..00000000
--- a/.ci/builds/build_linux.sh
+++ /dev/null
@@ -1,11 +0,0 @@
-#!/bin/bash
-set -e
-DIR="$( cd "$( dirname "${BASH_SOURCE}" )" && pwd )"
-
-ROOT_DIR="${DIR}/../.."
-BUILD_DIR="${ROOT_DIR}/build/linux"
-
-mkdir -p "${BUILD_DIR}"
-(cd "${BUILD_DIR}" && cmake "${ROOT_DIR}" -DCMAKE_BUILD_TYPE=Release)
-(cd "${BUILD_DIR}" && cmake --build .)
-(cd "${BUILD_DIR}" && ctest --verbose)
diff --git a/.ci/builds/build_windows_x64.bat b/.ci/builds/build_windows_x64.bat
deleted file mode 100644
index 1e3ea618..00000000
--- a/.ci/builds/build_windows_x64.bat
+++ /dev/null
@@ -1,19 +0,0 @@
-@echo off
-set DIR=%~dp0
-
-set ROOT_DIR=%DIR%..\..\
-set BUILD_DIR=%ROOT_DIR%build\windows_x64\
-
-if not exist %BUILD_DIR% mkdir %BUILD_DIR% || goto :error
-
-pushd %BUILD_DIR% || goto :error
-cmake %ROOT_DIR% -A x64 || goto :error
-cmake --build . --config Release || goto :error
-ctest --verbose || goto :error
-popd || goto :error
-
-goto :EOF
-
-:error
-echo Failed with error #%errorlevel%.
-exit /b %errorlevel%
diff --git a/.ci/builds/build_windows_x86.bat b/.ci/builds/build_windows_x86.bat
deleted file mode 100644
index 7445207a..00000000
--- a/.ci/builds/build_windows_x86.bat
+++ /dev/null
@@ -1,19 +0,0 @@
-@echo off
-set DIR=%~dp0
-
-set ROOT_DIR=%DIR%..\..\
-set BUILD_DIR=%ROOT_DIR%build\windows_x86\
-
-if not exist %BUILD_DIR% mkdir %BUILD_DIR% || goto :error
-
-pushd %BUILD_DIR% || goto :error
-cmake %ROOT_DIR% -A Win32 || goto :error
-cmake --build . --config Release || goto :error
-ctest --verbose || goto :error
-popd || goto :error
-
-goto :EOF
-
-:error
-echo Failed with error #%errorlevel%.
-exit /b %errorlevel%
diff --git a/.ci/projects/msvc2017_windows.bat b/.ci/projects/msvc2017_windows.bat
deleted file mode 100644
index 50c4ea98..00000000
--- a/.ci/projects/msvc2017_windows.bat
+++ /dev/null
@@ -1,18 +0,0 @@
-@echo off
-set DIR=%~dp0
-
-set ROOT_DIR=%DIR%..\..\
-set BUILD_DIR=%ROOT_DIR%build\msvc2017_windows\
-
-if not exist %BUILD_DIR% mkdir %BUILD_DIR% || goto :error
-
-pushd %BUILD_DIR% || goto :error
-cmake %ROOT_DIR% -G "Visual Studio 15 2017" || goto :error
-start enduro2d.sln || goto :error
-popd || goto :error
-
-goto :EOF
-
-:error
-echo Failed with error #%errorlevel%.
-exit /b %errorlevel%
diff --git a/.ci/projects/msvc2019_windows.bat b/.ci/projects/msvc2019_windows.bat
deleted file mode 100644
index 48057a81..00000000
--- a/.ci/projects/msvc2019_windows.bat
+++ /dev/null
@@ -1,18 +0,0 @@
-@echo off
-set DIR=%~dp0
-
-set ROOT_DIR=%DIR%..\..\
-set BUILD_DIR=%ROOT_DIR%build\msvc2019_windows\
-
-if not exist %BUILD_DIR% mkdir %BUILD_DIR% || goto :error
-
-pushd %BUILD_DIR% || goto :error
-cmake %ROOT_DIR% -G "Visual Studio 16 2019" || goto :error
-start enduro2d.sln || goto :error
-popd || goto :error
-
-goto :EOF
-
-:error
-echo Failed with error #%errorlevel%.
-exit /b %errorlevel%
diff --git a/.ci/projects/xcode_darwin.sh b/.ci/projects/xcode_darwin.sh
deleted file mode 100755
index 7e9d2787..00000000
--- a/.ci/projects/xcode_darwin.sh
+++ /dev/null
@@ -1,10 +0,0 @@
-#!/bin/bash
-set -e
-DIR="$( cd "$( dirname "${BASH_SOURCE}" )" && pwd )"
-
-ROOT_DIR="${DIR}/../.."
-BUILD_DIR="${ROOT_DIR}/build/xcode_darwin"
-
-mkdir -p "$BUILD_DIR"
-(cd "${BUILD_DIR}" && cmake "${ROOT_DIR}" -G Xcode)
-(cd "${BUILD_DIR}" && open "enduro2d.xcodeproj")
diff --git a/.travis.yml b/.travis.yml
deleted file mode 100644
index 547379ae..00000000
--- a/.travis.yml
+++ /dev/null
@@ -1,83 +0,0 @@
-env:
-  global:
-    - E2D_WITHOUT_AUDIO=true
-    - E2D_WITHOUT_GRAPHICS=true
-
-language: cpp
-
-jobs:
-  include:
-
-    #
-    # linux (g++)
-    #
-
-    - os: linux
-      dist: bionic
-      stage: linux
-      name: g++-7
-      addons: { apt: { sources: ["ubuntu-toolchain-r-test"], packages: ["libx11-dev", "libgl1-mesa-dev", "xorg-dev", "g++-7"] } }
-      env: CC=gcc-7 CXX=g++-7
-      script: .ci/builds/build_linux.sh
-
-    - os: linux
-      dist: bionic
-      stage: linux
-      name: g++-8
-      addons: { apt: { sources: ["ubuntu-toolchain-r-test"], packages: ["libx11-dev", "libgl1-mesa-dev", "xorg-dev", "g++-8"] } }
-      env: CC=gcc-8 CXX=g++-8
-      script: .ci/builds/build_linux.sh
-
-    #
-    # linux (clang++)
-    #
-
-    - os: linux
-      dist: bionic
-      stage: linux
-      name: clang++-5.0
-      addons: { apt: { sources: ["ubuntu-toolchain-r-test"], packages: ["libx11-dev", "libgl1-mesa-dev", "xorg-dev", "clang-5.0"] } }
-      env: CC=clang-5.0 CXX=clang++-5.0
-      script: .ci/builds/build_linux.sh
-
-    - os: linux
-      dist: bionic
-      stage: linux
-      name: clang++-6.0
-      addons: { apt: { sources: ["ubuntu-toolchain-r-test"], packages: ["libx11-dev", "libgl1-mesa-dev", "xorg-dev", "clang-6.0"] } }
-      env: CC=clang-6.0 CXX=clang++-6.0
-      script: .ci/builds/build_linux.sh
-
-    #
-    # darwin
-    #
-
-    - os: osx
-      osx_image: xcode10
-      stage: darwin
-      name: xcode10
-      addons: { homebrew: { packages: ["git-lfs"], update: true } }
-      script: .ci/builds/build_darwin.sh
-
-    - os: osx
-      osx_image: xcode11
-      stage: darwin
-      name: xcode11
-      addons: { homebrew: { packages: ["git-lfs"], update: true } }
-      script: .ci/builds/build_darwin.sh
-
-    #
-    # coverage
-    #
-
-    - os: osx
-      osx_image: xcode10
-      stage: coverage
-      name: coverage, xcode10
-      addons: { homebrew: { packages: ["git-lfs", "lcov"], update: true } }
-      script: .ci/builds/build_coverage.sh
-
-before_script:
-  - git submodule update --init --recursive
-  - git lfs install
-  - git lfs pull