diff --git a/.github/workflows/build-macos.yml b/.github/workflows/build-macos.yml
index 56b1af35c..e519164ec 100644
--- a/.github/workflows/build-macos.yml
+++ b/.github/workflows/build-macos.yml
@@ -26,9 +26,7 @@ jobs:
         # See https://help.github.com/en/articles/workflow-syntax-for-github-actions.
         name: [
           macos-13-xcode-14.2,
-          macos-13-arm64-xcode-14.2,
           macos-14-xcode-15.4,
-          macos-14-arm64-xcode-15.4,
         ]
 
         build_type: [Debug, Release]
@@ -39,21 +37,11 @@ jobs:
             compiler: xcode
             version: "14.2"
 
-          - name: macos-13-arm64-xcode-14.2
-            os: macos-13-xlarge
-            compiler: xcode
-            version: "14.2"
-
           - name: macos-14-xcode-15.4
             os: macos-14
             compiler: xcode
             version: "15.4"
 
-          - name: macos-14-arm64-xcode-15.4
-            os: macos-14-xlarge
-            compiler: xcode
-            version: "15.4"
-
     steps:
       - name: Checkout
         uses: actions/checkout@v4
diff --git a/.github/workflows/build-python.yml b/.github/workflows/build-python.yml
index 248b766d5..8206ffd3e 100644
--- a/.github/workflows/build-python.yml
+++ b/.github/workflows/build-python.yml
@@ -30,7 +30,6 @@ jobs:
           [
             ubuntu-20.04-gcc-9,
             ubuntu-20.04-clang-9,
-            macos-14-arm64-xcode-15.4,
             macos-14-xcode-15.4,
             windows-2022-msbuild,
           ]
@@ -48,11 +47,6 @@ jobs:
             compiler: clang
             version: "9"
 
-          - name: macos-14-arm64-xcode-15.4
-            os: macos-14-xlarge
-            compiler: xcode
-            version: "15.4"
-
           - name: macos-14-xcode-15.4
             os: macos-14
             compiler: xcode