diff --git a/scripts/workflows/provision-darwin.sh b/scripts/workflows/provision-darwin.sh
index ccdeeaf85e..279c4cc1b1 100755
--- a/scripts/workflows/provision-darwin.sh
+++ b/scripts/workflows/provision-darwin.sh
@@ -6,7 +6,7 @@ export
 
 # Install Bats + moreutils.
 brew fetch --retry coreutils moreutils
-brew install coreutils moreutils parallel
+brew install coreutils moreutils
 
 # Install Bats.
 if [ "$(uname -r)" = "19.6.0" ]; then