diff --git a/.github/workflows/R-CMD-check.yaml b/.github/workflows/R-CMD-check.yaml
index ec6a307..65cac70 100644
--- a/.github/workflows/R-CMD-check.yaml
+++ b/.github/workflows/R-CMD-check.yaml
@@ -18,7 +18,8 @@ jobs:
         config:
           - {os: macos-13,   r: 'release'}
           - {os: macos-14,   r: 'release'}
-          - {os: macos-latest,   r: 'release', homebrew: true}
+          - {os: macos-13,   r: 'release', homebrew: true}
+          - {os: macos-14,   r: 'release', homebrew: true}
           - {os: windows-latest, r: '4.1'}
           - {os: windows-latest, r: '4.2'}
           - {os: windows-latest, r: 'release'}
@@ -36,8 +37,13 @@ jobs:
 
       - uses: r-lib/actions/setup-pandoc@v2
 
-      - if: matrix.config.homebrew
-        run: brew install ffmpeg
+      - if: runner.os == 'macos'
+        run: |
+          if [ "${{matrix.config.homebrew}}" ]; then
+            brew install ffmpeg
+          else
+            brew remove ffmpeg || true
+          fi
 
       - uses: r-lib/actions/setup-r@v2
         with:
diff --git a/tests/testthat.R b/tests/testthat.R
index 87ef4dc..e28d41f 100644
--- a/tests/testthat.R
+++ b/tests/testthat.R
@@ -1,7 +1,7 @@
 library(testthat)
 library(av)
 
-if (ps::ps_is_supported()) {
+if (0 && ps::ps_is_supported()) {
   # This sometimes has false positives on MacOS https://github.com/r-lib/ps/issues/90
   reporter <- ps::CleanupReporter(testthat::CheckReporter)$new(proc_cleanup = FALSE, proc_fail = FALSE, conn_fail = FALSE)
   test_check("av", reporter = reporter)