diff --git a/.github/workflows/ets-from-source.yml b/.github/workflows/ets-from-source.yml
index 509e5bf0..b22b04af 100644
--- a/.github/workflows/ets-from-source.yml
+++ b/.github/workflows/ets-from-source.yml
@@ -15,7 +15,7 @@ jobs:
   test-with-edm:
     strategy:
       matrix:
-        os: [ubuntu-latest, macos-latest, windows-latest]
+        os: [ubuntu-latest, windows-latest]
         runtime: ['3.8']
 
     runs-on: ${{ matrix.os }}
diff --git a/.github/workflows/test-with-edm.yml b/.github/workflows/test-with-edm.yml
index 8331453c..61a77ee8 100644
--- a/.github/workflows/test-with-edm.yml
+++ b/.github/workflows/test-with-edm.yml
@@ -15,7 +15,7 @@ jobs:
   test-with-edm:
     strategy:
       matrix:
-        os: ['ubuntu-latest', 'macos-latest', 'windows-latest']
+        os: ['ubuntu-latest', 'windows-latest']
         runtime: ['3.6', '3.8']
 
     runs-on: ${{ matrix.os }}