diff --git a/.travis.yml b/.travis.yml
deleted file mode 100644
index f2b5a9d..0000000
--- a/.travis.yml
+++ /dev/null
@@ -1,114 +0,0 @@
-language: d
-dist: bionic
-
-addons:
-  apt:
-    packages:
-      - libevent-dev
-
-script:
-  - ./scripts/ci/travis.sh
-
-jobs:
-  allow_failures:
-    - d: gdc
-  include:
-    - stage: test
-      d: dmd-2.093.0
-      env: [FRONTEND=2.093, COVERAGE=true]
-    - d: dmd-2.089.1,dub
-      env: [FRONTEND=2.089]
-    - d: dmd-2.083.1,dub
-      env: [FRONTEND=2.083]
-    - d: ldc-1.22.0
-      env: [FRONTEND=2.092]
-    - d: ldc-1.20.0,dub
-      env: [FRONTEND=2.090]
-    - stage: deploy
-      d: ldc-1.22.0,dub
-      os: osx
-      addons:
-        homebrew:
-          packages:
-            - gnu-tar
-          update: true
-      script: echo "Deploying to GitHub releases ..." && ./scripts/ci/release.sh
-      deploy:
-        - provider: releases
-          file_glob: true
-          file: bin/dub-*.tar.gz
-          skip_cleanup: true
-          api_key: $GH_REPO_TOKEN
-          on:
-            tags: true
-    - d: ldc-1.22.0,dub
-      script: echo "Deploying to GitHub releases ..." && ./scripts/ci/release.sh
-      env: [ARCH=32]
-      addons:
-        apt:
-          packages:
-          - g++-multilib
-          - libcurl4-openssl-dev:i386
-      deploy:
-        - provider: releases
-          file_glob: true
-          file: bin/dub-*.tar.gz
-          skip_cleanup: true
-          api_key: $GH_REPO_TOKEN
-          on:
-            tags: true
-    - d: ldc-1.22.0,dub
-      script: echo "Deploying to GitHub releases ..." && ./scripts/ci/release.sh
-      deploy:
-        - provider: releases
-          file_glob: true
-          file: bin/dub-*.tar.gz
-          skip_cleanup: true
-          api_key: $GH_REPO_TOKEN
-          on:
-            tags: true
-    - d: ldc-1.22.0,dub
-      script: echo "Deploying to GitHub releases (win32) ..." && ./scripts/ci/release-windows.sh
-      addons:
-        apt:
-          packages:
-            - p7zip-full
-      deploy:
-        - provider: releases
-          file_glob: true
-          file: bin/dub-*.zip
-          skip_cleanup: true
-          api_key: $GH_REPO_TOKEN
-          on:
-            tags: true
-    - d: ldc-1.22.0,dub
-      script: echo "Deploying to GitHub releases (win64) ..." && ARCH=64 ./scripts/ci/release-windows.sh
-      addons:
-        apt:
-          packages:
-            - p7zip-full
-      deploy:
-        - provider: releases
-          file_glob: true
-          file: bin/dub-*.zip
-          skip_cleanup: true
-          api_key: $GH_REPO_TOKEN
-          on:
-            tags: true
-    - stage: update-latest
-      script: echo "Deploying to GitHub pages ..." && mkdir -p docs && git describe --abbrev=0 --tags > docs/LATEST
-      deploy:
-        - provider: pages
-          skip_cleanup: true
-          local_dir: docs
-          github_token: $GH_REPO_TOKEN
-          on:
-            tags: true
-stages:
-  - name: test
-    if: type = pull_request or (type = push and branch = master)
-  # Until deployment of the release binaries is fixed, always build them
-  #- name: deploy
-    #if: type = push and tag =~ ^v\d+\.\d+\.\d+[^-]*\$ # not a pre-release tag
-  - name: update-latest
-    if: type = push and tag =~ ^v\d+\.\d+\.\d+[^-]*\$ # not a pre-release tag
diff --git a/appveyor.yml b/appveyor.yml
deleted file mode 100644
index 9d5e983..0000000
--- a/appveyor.yml
+++ /dev/null
@@ -1,123 +0,0 @@
-platform: x64
-environment:
- matrix:
-  #- DC: dmd
-  #  DVersion: nightly
-  #  arch: x64
-  #- DC: dmd
-  #  DVersion: nightly
-  #  arch: x86
-  - DC: dmd
-    DVersion: beta
-    arch: x64
-  - DC: dmd
-    DVersion: beta
-    arch: x86
-  - DC: dmd
-    DVersion: stable
-    arch: x64
-  - DC: dmd
-    DVersion: 2.086.0
-    arch: x86
-  - DC: dmd
-    DVersion: 2.086.0
-    arch: x64
-  - DC: dmd
-    DVersion: stable
-    arch: x86
-  - DC: ldc
-    DVersion: stable
-    arch: x64
-  - DC: ldc
-    DVersion: 1.15.0
-    arch: x64
-
-skip_tags: false
-branches:
-  only:
-    - master
-    - stable
-
-install:
-  - ps: function ResolveLatestDMD
-        {
-            $version = $env:DVersion;
-            if($version -eq "stable") {
-                $latest = (Invoke-WebRequest "http://downloads.dlang.org/releases/LATEST").toString();
-                $url = "http://downloads.dlang.org/releases/2.x/$($latest)/dmd.$($latest).windows.7z";
-            }elseif($version -eq "beta") {
-                $latest = (Invoke-WebRequest "http://downloads.dlang.org/pre-releases/LATEST").toString();
-                $latestVersion = $latest.split("-")[0].split("~")[0];
-                $url = "http://downloads.dlang.org/pre-releases/2.x/$($latestVersion)/dmd.$($latest).windows.7z";
-            }elseif($version -eq "nightly") {
-                $url = "http://nightlies.dlang.org/dmd-master-2017-05-20/dmd.master.windows.7z"
-            }else {
-                $url = "http://downloads.dlang.org/releases/2.x/$($version)/dmd.$($version).windows.7z";
-            }
-            $env:PATH += ";C:\dmd2\windows\bin;";
-            return $url;
-        }
-  - ps: function ResolveLatestLDC
-        {
-            $version = $env:DVersion;
-            $arch = $env:arch;
-            if($version -eq "stable") {
-                $latest = (Invoke-WebRequest "https://ldc-developers.github.io/LATEST").toString().replace("`n","").replace("`r","");
-                $url = "https://github.com/ldc-developers/ldc/releases/download/v$($latest)/ldc2-$($latest)-windows-$($arch).7z";
-            }elseif($version -eq "beta") {
-                $latest = (Invoke-WebRequest "https://ldc-developers.github.io/LATEST_BETA").toString().replace("`n","").replace("`r","");
-                $url = "https://github.com/ldc-developers/ldc/releases/download/v$($latest)/ldc2-$($latest)-windows-$($arch).7z";
-            } else {
-                $latest = $version;
-                $url = "https://github.com/ldc-developers/ldc/releases/download/v$($version)/ldc2-$($version)-windows-$($arch).7z";
-            }
-            $env:PATH += ";C:\ldc2-$($latest)-windows-$($arch)\bin";
-            $env:DC = "ldc2";
-            return $url;
-        }
-  - ps: function SetUpDCompiler
-        {
-            $env:toolchain = "msvc";
-            if($env:DC -eq "dmd"){
-              echo "downloading ...";
-              $url = ResolveLatestDMD;
-              echo $url;
-              Invoke-WebRequest $url -OutFile "c:\dmd.7z";
-              echo "finished.";
-              pushd c:\\;
-              7z x dmd.7z > $null;
-              popd;
-            }
-            elseif($env:DC -eq "ldc"){
-              echo "downloading ...";
-              $url = ResolveLatestLDC;
-              echo $url;
-              Invoke-WebRequest $url -OutFile "c:\ldc.zip";
-              echo "finished.";
-              pushd c:\\;
-              7z x ldc.zip > $null;
-              popd;
-            }
-        }
-  - ps: SetUpDCompiler
-
-build_script:
-  - ps: if($env:arch -eq "x86"){
-            $env:compilersetupargs = "x86";
-            $env:Darch = "x86";
-            $env:DConf = "m32";
-        }elseif($env:arch -eq "x64"){
-            $env:compilersetupargs = "amd64";
-            $env:Darch = "x86_64";
-            $env:DConf = "m64";
-        }
-  - ps: $env:compilersetup = "C:\Program Files (x86)\Microsoft Visual Studio 14.0\VC\vcvarsall";
-  - '"%compilersetup%" %compilersetupargs%'
-
-test_script:
- - echo %PLATFORM%
- - echo %Darch%
- - echo %DC%
- - echo %PATH%
- - '%DC% --version'
- - dub test --arch=%Darch% --compiler=%DC%
diff --git a/build-gdc.sh b/build-gdc.sh
deleted file mode 100755
index df0e5ce..0000000
--- a/build-gdc.sh
+++ /dev/null
@@ -1,25 +0,0 @@
-#!/usr/bin/env bash
-set -e
-
-if [ "$GDC" = "" ]; then
-        GDC=gdc
-fi
-
-# link against libcurl
-LIBS=`pkg-config --libs libcurl 2>/dev/null || echo "-lcurl"`
-
-# adjust linker flags for gdc command line
-LIBS=`echo "$LIBS" | sed 's/^-L/-L-L/; s/ -L/ -L-L/g; s/^-l/-L-l/; s/ -l/ -L-l/g'`
-
-echo Generating version file...
-GITVER=$(git describe) || GITVER=unknown
-echo "module dub.version_;" > source/dub/version_.d
-echo "enum dubVersion = \"$GITVER\";" >> source/dub/version_.d
-
-echo Running $GDC...
-$GDC -obin/dub -lcurl -w -fversion=DubUseCurl -fversion=DubApplication -Isource $* $LIBS @build-files.txt
-echo DUB has been built as bin/dub.
-echo
-echo You may want to run
-echo sudo ln -s $(pwd)/bin/dub /usr/local/bin
-echo now.
diff --git a/semaphore-ci.sh b/semaphore-ci.sh
deleted file mode 100755
index c942ed9..0000000
--- a/semaphore-ci.sh
+++ /dev/null
@@ -1,41 +0,0 @@
-#!/bin/bash
-
-set -euo pipefail
-set -x
-
-if  [ "${D_VERSION:-dmd}" == "gdc" ] ; then
-    echo "GDC unrelated test failures to be fixed"
-    exit 0
-
-    # Use the dub-updating fork of the installer script until https://github.com/dlang/installer/pull/301 is merged
-    wget https://raw.githubusercontent.com/wilzbach/installer-dub/master/script/install.sh -O install.dub.sh
-    bash install.dub.sh -a dub
-    dub_path_activate="$(find $HOME/dlang/*/activate | head -1)"
-    rm "${dub_path_activate}"
-    dub_path="$(dirname "$dub_path_activate")"
-    sudo ln -s "${dub_path}/dub" /usr/bin/dub
-
-    export DMD=gdmd
-    export DC=gdc
-    # It's technically ~"2.076", but Ternary doesn't seem to have been ported and Vibe.d seems to depend on this.
-    # Ternary was added in 2.072: https://dlang.org/phobos/std_typecons.html#.Ternary
-    # However, the nonet tests is done only for > 2.072
-    export FRONTEND=2.072
-
-    sudo add-apt-repository -y ppa:ubuntu-toolchain-r/test
-    sudo apt-get update
-    sudo apt-get install -y gdc-9
-    # fetch the dmd-like wrapper
-    sudo wget https://raw.githubusercontent.com/D-Programming-GDC/GDMD/master/dmd-script -O /usr/bin/gdmd
-    sudo chmod +x /usr/bin/gdmd
-    # DUB requires gdmd
-    sudo ln -s /usr/bin/gdc-9 /usr/bin/gdc
-    # fake install script and create a fake 'activate' script
-    mkdir -p ~/dlang/gdc-9
-    echo "deactivate(){ echo;}" > ~/dlang/gdc-9/activate
-
-else
-    . $(curl --connect-timeout 5 --max-time 10 --retry 5 --retry-delay 1 --retry-max-time 60 https://dlang.org/install.sh | bash -s "$D_VERSION" -a)
-fi
-
-./scripts/ci/travis.sh