diff --git a/.github/workflows/windows.yml b/.github/workflows/macos-windows.yml
similarity index 70%
rename from .github/workflows/windows.yml
rename to .github/workflows/macos-windows.yml
index 6f267357554a3..560a421ec74ec 100644
--- a/.github/workflows/windows.yml
+++ b/.github/workflows/macos-windows.yml
@@ -1,4 +1,4 @@
-name: Windows
+name: Windows-MacOS
 
 on:
   push:
@@ -21,18 +21,20 @@ env:
 
 jobs:
   pytest:
-    runs-on: windows-latest
     defaults:
       run:
         shell: bash -el {0}
     timeout-minutes: 90
     strategy:
       matrix:
+        os: [macos-latest, windows-latest]
         env_file: [actions-38.yaml, actions-39.yaml, actions-310.yaml]
       fail-fast: false
+    runs-on: ${{ matrix.os }}
+    name: ${{ format('{0} {1}', matrix.os, matrix.env_file) }}
     concurrency:
       # https://github.community/t/concurrecy-not-work-for-push/183068/7
-      group: ${{ github.event_name == 'push' && github.run_number || github.ref }}-${{ matrix.env_file }}-windows
+      group: ${{ github.event_name == 'push' && github.run_number || github.ref }}-${{ matrix.env_file }}-${{ matrix.os }}
       cancel-in-progress: true
 
     steps:
@@ -47,10 +49,17 @@ jobs:
         mamba-version: "*"
         channels: conda-forge
         activate-environment: pandas-dev
-        channel-priority: strict
+        channel-priority: ${{ matrix.os == 'macos-latest' && 'flexible' || 'strict' }}
         environment-file: ci/deps/${{ matrix.env_file }}
         use-only-tar-bz2: true
 
+    # ImportError: 2): Library not loaded: @rpath/libssl.1.1.dylib
+    # Referenced from: /Users/runner/miniconda3/envs/pandas-dev/lib/libthrift.0.13.0.dylib
+    # Reason: image not found
+    - name: Upgrade pyarrow on MacOS
+      run: conda install -n pandas-dev -c conda-forge --no-update-deps pyarrow=6
+      if: ${{ matrix.os == 'macos-latest' }}
+
     - name: Build Pandas
       uses: ./.github/actions/build_pandas
 
diff --git a/azure-pipelines.yml b/azure-pipelines.yml
index 0b2a9f5b2b0cd..0c6195ff6924b 100644
--- a/azure-pipelines.yml
+++ b/azure-pipelines.yml
@@ -22,11 +22,6 @@ variables:
   PANDAS_CI: 1
 
 jobs:
-- template: ci/azure/posix.yml
-  parameters:
-    name: macOS
-    vmImage: macOS-10.15
-
 - job: py38_32bit
   pool:
     vmImage: ubuntu-18.04
diff --git a/ci/azure/posix.yml b/ci/azure/posix.yml
deleted file mode 100644
index df1d5049be33d..0000000000000
--- a/ci/azure/posix.yml
+++ /dev/null
@@ -1,50 +0,0 @@
-parameters:
-  name: ''
-  vmImage: ''
-
-jobs:
-- job: ${{ parameters.name }}
-  timeoutInMinutes: 90
-  pool:
-    vmImage: ${{ parameters.vmImage }}
-  strategy:
-    matrix:
-      py38:
-        ENV_FILE: ci/deps/actions-38.yaml
-        CONDA_PY: "38"
-
-      py39:
-        ENV_FILE: ci/deps/actions-39.yaml
-        CONDA_PY: "39"
-
-      py310:
-        ENV_FILE: ci/deps/actions-310.yaml
-        CONDA_PY: "310"
-
-  steps:
-    - script: echo '##vso[task.prependpath]$(HOME)/miniconda3/bin'
-      displayName: 'Set conda path'
-
-    - script: rm /usr/local/miniconda/pkgs/cache/*.json
-      displayName: 'Workaround for mamba-org/mamba#488'
-
-    - script: ci/setup_env.sh
-      displayName: 'Setup environment and build pandas'
-
-    - script: |
-        conda run -n pandas-dev --no-capture-output ci/run_tests.sh
-      displayName: 'Test'
-
-    - script: |
-        pushd /tmp
-        conda run -n pandas-dev python -c "import pandas; pandas.show_versions()"
-        popd
-      displayName: 'Build versions'
-
-    - task: PublishTestResults@2
-      condition: succeededOrFailed()
-      inputs:
-        failTaskOnFailedTests: true
-        testResultsFiles: 'test-data.xml'
-        testRunTitle: ${{ format('{0}-$(CONDA_PY)', parameters.name) }}
-      displayName: 'Publish test results'
diff --git a/ci/setup_env.sh b/ci/setup_env.sh
index a85767eb6f1b4..483353cfcb3cd 100755
--- a/ci/setup_env.sh
+++ b/ci/setup_env.sh
@@ -73,15 +73,6 @@ mamba install -n pandas-dev 'setuptools<60'
 echo "conda list -n pandas-dev"
 conda list -n pandas-dev
 
-# From pyarrow on MacOS
-# ImportError: 2): Library not loaded: @rpath/libssl.1.1.dylib
-# Referenced from: /Users/runner/miniconda3/envs/pandas-dev/lib/libthrift.0.13.0.dylib
-# Reason: image not found
-if [[ "$(uname)" == 'Darwin' ]]; then
-    echo "Update pyarrow for pyarrow on MacOS"
-    conda install -n pandas-dev -c conda-forge --no-update-deps pyarrow=6
-fi
-
 if [[ "$BITS32" == "yes" ]]; then
     # activate 32-bit compiler
     export CONDA_BUILD=1