diff --git a/.circleci/config.yml b/.circleci/config.yml
deleted file mode 100644
index 2985dd81e..000000000
--- a/.circleci/config.yml
+++ /dev/null
@@ -1,60 +0,0 @@
-# iOS CircleCI 2.1 configuration file
-version: 2.1
-jobs:
-  build:
-    macos:
-      xcode: "12.5.1"
-
-    steps:
-      - checkout
-
-      - run:
-          name: Set timezone and check current datetime
-          command: |
-            sudo systemsetup -settimezone Europe/Warsaw
-            echo "Today is $(date +"%Y-%m-%d %T")"
-            echo 'export HOMEBREW_NO_AUTO_UPDATE=1' >> ~/.envs
-
-      - run:
-          name: Install libelf
-          command: |
-            source ~/.envs
-            brew install libelf
-
-      - run:
-          name: Install cmake
-          command: |
-            source ~/.envs
-            brew install cmake
-
-      - run:
-          name: Build dynamips
-          command: |
-            mkdir build
-            cd build
-            cmake ..
-            make
-            cd ..
-
-      - run:
-          name: Gather artifacts
-          command: |
-            mkdir artifacts
-            mv build/unstable/dynamips artifacts/dynamips-unstable-osx
-
-      - store_artifacts:
-          path: artifacts
-          destination: artifacts
-
-      - run:
-          name: Upload nightly builds to SF
-          command: |
-            if [ -n "${RUN_NIGHTLY_BUILD}" ]; then
-              ssh-keyscan -H frs.sourceforge.net >> ~/.ssh/known_hosts
-              echo "mkdir \"/home/frs/project/gns-3/Nightly Builds/$(date +"%Y-%m-%d")/\"" | sftp gns3build@frs.sourceforge.net
-              echo -ne "
-                cd \"/home/frs/project/gns-3/Nightly Builds/$(date +"%Y-%m-%d")/\"
-                put \"artifacts/dynamips-unstable-osx\"
-              " | sftp gns3build@frs.sourceforge.net
-            fi
-
diff --git a/.github/workflows/codeql.yml b/.github/workflows/codeql.yml
index 39fabd077..da6a6394f 100644
--- a/.github/workflows/codeql.yml
+++ b/.github/workflows/codeql.yml
@@ -13,9 +13,9 @@ name: "CodeQL"
 
 on:
   push:
-    branches: [ "master", "rust" ]
+    branches: [ "master" ]
   pull_request:
-    branches: [ "master", "rust" ]
+    branches: [ "master" ]
   schedule:
     - cron: '44 23 * * 4'
 
diff --git a/appveyor.yml b/appveyor.yml
deleted file mode 100644
index 79eb4be2e..000000000
--- a/appveyor.yml
+++ /dev/null
@@ -1,33 +0,0 @@
-platform:
-    - x64
-
-environment:
-    global:
-        CYG_ROOT: C:/cygwin64
-        CYG_CACHE: C:/cygwin64/var/cache/setup
-        CYG_MIRROR: http://mirrors.kernel.org/sourceware/cygwin/
-        CC: gcc
-    matrix:
-        - CYG_ARCH: x86_64
-
-install:
-    - 'appveyor DownloadFile http://cygwin.com/setup-%CYG_ARCH%.exe -FileName setup.exe'
-    - 'setup.exe -qnNdO -R "%CYG_ROOT%" -s "%CYG_MIRROR%" -l "%CYG_CACHE%" -P make -P gcc-core -P cmake'
-    - 'appveyor DownloadFile http://ftp.slackware.com/pub/gsb/gsb64-2.30_slackware64-13.1/source/l/libelf/libelf-0.8.13.tar.gz'
-    - 'mkdir libelf && tar xvzf libelf-0.8.13.tar.gz -C libelf'
-    - '%CYG_ROOT%/bin/bash -lc "cd $APPVEYOR_BUILD_FOLDER/libelf/libelf-0.8.13 && ./configure --host x86_64-pc-cygwin && make && make install'
-    - 'cinst winpcap'
-    - 'appveyor DownloadFile http://www.winpcap.org/install/bin/WpdPack_4_1_2.zip'
-    - 'dir'
-    - '7z x .\WpdPack_4_1_2.zip -o.'
-    - 'xcopy .\WpdPack\Lib\x64\*.* C:\cygwin64\lib\'
-    - 'xcopy /Y /E .\WpdPack\Include\*.* C:\cygwin64\usr\include\'
-
-build_script:
-    - '%CYG_ROOT%/bin/bash -lc "ls $APPVEYOR_BUILD_FOLDER'
-    - '%CYG_ROOT%/bin/bash -lc "cd $APPVEYOR_BUILD_FOLDER && mkdir -p build'
-    - '%CYG_ROOT%/bin/bash -lc "cd $APPVEYOR_BUILD_FOLDER/build && cmake ..'
-    - '%CYG_ROOT%/bin/bash -lc "cd $APPVEYOR_BUILD_FOLDER/build && make'
-
-artifacts:
-  - path: 'build/stable/dynamips.exe'