diff --git a/.github/workflows/macosx-arm64-520.yml b/.github/workflows/macosx-arm64-520.yml
deleted file mode 100644
index ff78e2cbe..000000000
--- a/.github/workflows/macosx-arm64-520.yml
+++ /dev/null
@@ -1,18 +0,0 @@
-name: macOS-ARM64 5.2
-
-on:
-  schedule:
-    # Every Monday morning, at 2:22 UTC
-    - cron: '22 2 * * 1'
-  pull_request:
-  push:
-    branches:
-      - main
-  workflow_dispatch:
-
-jobs:
-  build:
-    uses: ./.github/workflows/common.yml
-    with:
-      compiler: 'ocaml-base-compiler.5.2.0'
-      runs_on: 'macos-14'
diff --git a/.github/workflows/macosx-intel-520.yml b/.github/workflows/macosx-intel-520.yml
deleted file mode 100644
index 8702776e3..000000000
--- a/.github/workflows/macosx-intel-520.yml
+++ /dev/null
@@ -1,18 +0,0 @@
-name: macOS-intel 5.2
-
-on:
-  schedule:
-    # Every Monday morning, at 2:22 UTC
-    - cron: '22 2 * * 1'
-  pull_request:
-  push:
-    branches:
-      - main
-  workflow_dispatch:
-
-jobs:
-  build:
-    uses: ./.github/workflows/common.yml
-    with:
-      compiler: 'ocaml-base-compiler.5.2.0'
-      runs_on: 'macos-13'
diff --git a/.github/workflows/macosx-intel-530-trunk.yml b/.github/workflows/macosx-intel-530-trunk.yml
deleted file mode 100644
index 197b47999..000000000
--- a/.github/workflows/macosx-intel-530-trunk.yml
+++ /dev/null
@@ -1,19 +0,0 @@
-name: macOS-intel trunk
-
-on:
-  schedule:
-    # Every Monday morning, at 1:11 UTC
-    - cron: '11 1 * * 1'
-  pull_request:
-  push:
-    branches:
-      - main
-  workflow_dispatch:
-
-jobs:
-  build:
-    uses: ./.github/workflows/common.yml
-    with:
-      compiler: 'ocaml-variants.5.3.0+trunk'
-      compiler_git_ref: refs/heads/trunk
-      runs_on: 'macos-13'