diff --git a/tools/jenkins/run_distribution.sh b/tools/jenkins/run_distribution.sh
index 7c306de590cb5ccffea5a02a0a6c6ff37ee27478..49b7d306d16ba5ff4bbcc40e4a1b0d0448656e42 100755
--- a/tools/jenkins/run_distribution.sh
+++ b/tools/jenkins/run_distribution.sh
@@ -32,6 +32,8 @@
 # linuxbrew installation of a selected language
 set -ex
 
+# Our homebrew installation script command, per language
+# Can be used in both linux and macos
 if [ "$language" == "core" ]; then
   command="curl -fsSL https://goo.gl/getgrpc | bash -"
 elif [[ "python nodejs ruby php" =~ "$language" ]]; then
@@ -66,6 +68,7 @@ if [ "$platform" == "linux" ]; then
 elif [ "$platform" == "macos" ]; then
 
   if [ "$dist_channel" == "homebrew" ]; then
+
     echo "Formulas installed by system-wide homebrew (before)"
     brew list -l
 
@@ -99,8 +102,6 @@ elif [ "$platform" == "macos" ]; then
       *php*)
         export CFLAGS="-Wno-parentheses-equality"
         ;;
-      *)
-        ;;
     esac
 
     # Run our homebrew installation script
@@ -108,7 +109,6 @@ elif [ "$platform" == "macos" ]; then
 
     # Uninstall / clean up per-language modules/extensions after the test
     case $language in
-      *core*) ;;
       *python*)
         deactivate
         rm -rf jenkins_python_venv
@@ -124,10 +124,6 @@ elif [ "$platform" == "macos" ]; then
       *php*)
         rm grpc.so
         ;;
-      *)
-        echo "Unsupported language $language"
-        exit 1
-        ;;
     esac
 
     # Clean up