diff --git a/objectivec/DevTools/full_mac_build.sh b/objectivec/DevTools/full_mac_build.sh
index 84b0aab2ce..16981f9ee8 100755
--- a/objectivec/DevTools/full_mac_build.sh
+++ b/objectivec/DevTools/full_mac_build.sh
@@ -2,8 +2,6 @@
 #
 # Helper to do build so you don't have to remember all the steps/args.
 
-echo "::group::Run full mac build"
-
 set -eu
 
 # Some base locations.
@@ -12,7 +10,7 @@ readonly ProtoRootDir="${ScriptDir}/../.."
 readonly BazelFlags="${BAZEL_FLAGS:---announce_rc --macos_minimum_os=10.9}"
 
 # Invoke with BAZEL=bazelisk to use that instead.
-readonly BazelBin="${BAZEL:-bazel} ${BAZEL_STARTUP_FLAGS:-}"
+readonly BazelBin="${BAZEL:-bazel}"
 
 printUsage() {
   NAME=$(basename "${0}")
@@ -29,9 +27,6 @@ OPTIONS:
          Show this message
    -c, --clean
          Issue a clean before the normal build.
-   -r, --regenerate-descriptors
-         Run generate_descriptor_proto.sh to regenerate all the checked in
-         proto sources.
    --full-build
          By default only protoc is built within protobuf, this option will
          enable a full build/test of the entire protobuf project.
@@ -76,7 +71,6 @@ else
 fi
 
 DO_CLEAN=no
-REGEN_DESCRIPTORS=no
 FULL_BUILD=no
 DO_XCODE_IOS_TESTS=yes
 DO_XCODE_OSX_TESTS=yes
@@ -94,9 +88,6 @@ while [[ $# != 0 ]]; do
     -c | --clean )
       DO_CLEAN=yes
       ;;
-    -r | --regenerate-descriptors )
-      REGEN_DESCRIPTORS=yes
-      ;;
     --full-build )
       FULL_BUILD=yes
       ;;
@@ -190,17 +181,12 @@ if [[ "${DO_CLEAN}" == "yes" ]] ; then
   fi
 fi
 
-if [[ "${REGEN_DESCRIPTORS}" == "yes" ]] ; then
-  header "Regenerating the descriptor sources."
-  ./generate_descriptor_proto.sh
-fi
-
 if [[ "${FULL_BUILD}" == "yes" ]] ; then
   header "Build/Test: everything"
-  time ${BazelBin} test //:protoc //:protobuf //src/... $BazelFlags
+  ${BazelBin} test //:protoc //:protobuf //src/... $BazelFlags
 else
   header "Building: protoc"
-  time ${BazelBin} build //:protoc $BazelFlags
+  ${BazelBin} build //:protoc $BazelFlags
 fi
 
 # Ensure the WKT sources checked in are current.
@@ -233,8 +219,7 @@ if [[ "${DO_XCODE_IOS_TESTS}" == "yes" ]] ; then
   if [[ "${XCODE_QUIET}" == "yes" ]] ; then
     XCODEBUILD_TEST_BASE_IOS+=( -quiet )
   fi
-  # Don't need to worry about form factors or retina/non retina;
-  # just pick a mix of OS Versions and 32/64 bit.
+  # Don't need to worry about form factors or retina/non retina.
   # NOTE: Different Xcode have different simulated hardware/os support.
   case "${XCODE_VERSION}" in
     [6-9].* | 1[0-2].* )
@@ -242,9 +227,8 @@ if [[ "${DO_XCODE_IOS_TESTS}" == "yes" ]] ; then
       exit 11
       ;;
     13.* | 14.*)
-      # Dropped 32bit as Apple doesn't seem support the simulators either.
       XCODEBUILD_TEST_BASE_IOS+=(
-          -destination "platform=iOS Simulator,name=iPhone 8,OS=latest" # 64bit
+          -destination "platform=iOS Simulator,name=iPhone 13,OS=latest"
       )
       ;;
     * )
@@ -271,8 +255,7 @@ if [[ "${DO_XCODE_OSX_TESTS}" == "yes" ]] ; then
     "${XCODEBUILD}"
       -project objectivec/ProtocolBuffers_OSX.xcodeproj
       -scheme ProtocolBuffers
-      # Since the ObjC 2.0 Runtime is required, 32bit OS X isn't supported.
-      -destination "platform=OS X,arch=x86_64" # 64bit
+      -destination "platform=macOS"
   )
   if [[ "${XCODE_QUIET}" == "yes" ]] ; then
     XCODEBUILD_TEST_BASE_OSX+=( -quiet )
@@ -331,10 +314,8 @@ fi
 
 if [[ "${DO_OBJC_CONFORMANCE_TESTS}" == "yes" ]] ; then
   header "Running ObjC Conformance Tests"
-  time ${BazelBin} test //objectivec:conformance_test $BazelFlags
+  ${BazelBin} test //objectivec:conformance_test $BazelFlags
 fi
 
 echo ""
 echo "$(basename "${0}"): Success!"
-
-echo "::endgroup::"