diff --git a/.github/workflows/macOS-12-Makefile.yml b/.github/workflows/macOS-12-Makefile.yml
deleted file mode 100644
index 87f349125df..00000000000
--- a/.github/workflows/macOS-12-Makefile.yml
+++ /dev/null
@@ -1,37 +0,0 @@
-name: macOS 12 Makefile
-
-on:
-  push:
-    branches: [ OpenMPT-1.28 ]
-
-concurrency:
-  group: ${{ github.ref }}-${{ github.workflow }}
-  cancel-in-progress: true
-
-jobs:
-  build:
-
-    runs-on: macos-12
-
-    steps:
-    - uses: actions/checkout@v4
-    - name: update Homebrew
-      run: brew update
-    - name: fixup GitHub Homebrew swiftlint breakage
-      run: brew pin swiftlint
-    - name: fixup GitHub Homebrew xcbeautify breakage
-      run: brew pin xcbeautify
-    - name: fixup GitHub Homebrew go breakage
-      run: brew unlink go@1.21 && brew unlink go && brew link --overwrite go
-    - name: fixup GitHub Homebrew node breakage
-      run: brew unlink node@18 && brew unlink node && brew link --overwrite node
-    - name: fixup GitHub Homebrew python breakage
-      run: brew unlink python@3.11 && brew unlink python@3.12 && brew link --overwrite python@3.11 && brew link --overwrite python@3.12
-    - name: install dependencies
-      run: brew install p7zip help2man doxygen autoconf-archive mpg123 libogg libvorbis portaudio flac libsndfile sdl2
-    - name: setup parallel make
-      run: echo "MAKEFLAGS=-j$(sysctl -n hw.ncpu)" >> $GITHUB_ENV
-    - name: make
-      run: make STRICT=1 FORCE_DEPS=1 NO_PULSEAUDIO=1
-    - name: make check
-      run: make STRICT=1 FORCE_DEPS=1 NO_PULSEAUDIO=1 check