diff --git a/lib/chibios b/lib/chibios
index e9afd18713d3..1238f63d1f14 160000
--- a/lib/chibios
+++ b/lib/chibios
@@ -1 +1 @@
-Subproject commit e9afd18713d3d9e8a307732d3b35f27488573cb9
+Subproject commit 1238f63d1f147a7d8e6846f8957ffb65ff47a9f2
diff --git a/util/chibios_conf_updater.sh b/util/chibios_conf_updater.sh
index ab6163bca724..a4feb7c7ac56 100755
--- a/util/chibios_conf_updater.sh
+++ b/util/chibios_conf_updater.sh
@@ -22,8 +22,6 @@ this_script="$(realpath "${BASH_SOURCE[0]}")"
 script_dir="$(realpath "$(dirname "$this_script")")"
 qmk_firmware_dir="$(realpath "$script_dir/../")"
 
-declare -A file_hashes
-
 export PATH="$PATH:$script_dir/fmpp/bin"
 
 build_fmpp() {
@@ -56,67 +54,6 @@ find_chibi_files() {
     done
 }
 
-revert_chibi_files() {
-    local search_path="$1"
-    shead "Reverting ChibiOS config/board files..."
-    for file in $(find_chibi_files "$search_path" -name chconf.h -or -name halconf.h -or -name mcuconf.h -or -name board.c -or -name board.h -or -name board.mk -or -name board.chcfg) ; do
-        pushd "$search_path" >/dev/null 2>&1
-        local relpath=$(realpath --relative-to="$search_path" "$file")
-        git checkout upstream/develop -- "$relpath" || git checkout origin/develop -- "$relpath" || true
-        popd >/dev/null 2>&1
-    done
-}
-
-populate_file_hashes() {
-    local search_path="$1"
-    shead "Determining duplicate config/board files..."
-    for file in $(find_chibi_files "$search_path" -name chconf.h -or -name halconf.h -or -name mcuconf.h -or -name board.c -or -name board.h) ; do
-        local key="file_$(clang-format "$file" | sha1sum | cut -d' ' -f1)"
-        local relpath=$(realpath --relative-to="$search_path" "$file")
-        file_hashes[$key]="${file_hashes[$key]:-} $relpath"
-    done
-    for file in $(find_chibi_files "$search_path" -name board.mk -or -name board.chcfg) ; do
-        local key="file_$(cat "$file" | sha1sum | cut -d' ' -f1)"
-        local relpath=$(realpath --relative-to="$search_path" "$file")
-        file_hashes[$key]="${file_hashes[$key]:-} $relpath"
-    done
-}
-
-determine_equivalent_files() {
-    local search_file="$1"
-    for K in "${!file_hashes[@]}"; do
-        for V in ${file_hashes[$K]}; do
-            if [[ "$V" == "$search_file" ]] ; then
-                for V in ${file_hashes[$K]}; do
-                    echo "$V"
-                done
-                return 0
-            fi
-        done
-    done
-    return 1
-}
-
-deploy_staged_files() {
-    shead "Deploying staged files..."
-    for file in $(find "$qmk_firmware_dir/util/chibios-upgrade-staging" -type f) ; do
-        local relpath=$(realpath --relative-to="$qmk_firmware_dir/util/chibios-upgrade-staging" "$file")
-        sinfo "Deploying staged file: $relpath"
-        for other in $(determine_equivalent_files "$relpath") ; do
-            sinfo "    => $other"
-            cp "$qmk_firmware_dir/util/chibios-upgrade-staging/$relpath" "$qmk_firmware_dir/$other"
-        done
-    done
-}
-
-swap_mcuconf_f3xx_f303() {
-    shead "Swapping STM32F3xx_MCUCONF -> STM32F303_MCUCONF..."
-    for file in $(find_chibi_files "$qmk_firmware_dir" -name mcuconf.h) ; do
-        sed -i 's#STM32F3xx_MCUCONF#STM32F303_MCUCONF#g' "$file"
-        dos2unix "$file" >/dev/null 2>&1
-    done
-}
-
 upgrade_conf_files_generic() {
     local search_filename="$1"
     local update_script="$2"
@@ -161,35 +98,8 @@ upgrade_mcuconf_files() {
     popd >/dev/null 2>&1
 }
 
-update_staged_files() {
-    shead "Updating staged files with ChibiOS upgraded versions..."
-    for file in $(find "$qmk_firmware_dir/util/chibios-upgrade-staging" -type f) ; do
-        local relpath=$(realpath --relative-to="$qmk_firmware_dir/util/chibios-upgrade-staging" "$file")
-        sinfo "Updating staged file: $relpath"
-        cp "$qmk_firmware_dir/$relpath" "$qmk_firmware_dir/util/chibios-upgrade-staging/$relpath"
-    done
-}
-
 havecmd fmpp || build_fmpp
-revert_chibi_files "$qmk_firmware_dir"
-populate_file_hashes "$qmk_firmware_dir"
-
-shead "Showing duplicate ChibiOS files..."
-for K in "${!file_hashes[@]}"; do
-    sinfo ${K#file_}:
-    for V in ${file_hashes[$K]}; do
-        sinfo "    $V"
-    done
-done
-
-if [ "${1:-}" == "-r" ] ; then
-    exit 0
-fi
-
-swap_mcuconf_f3xx_f303
 
-deploy_staged_files
 upgrade_mcuconf_files
 upgrade_chconf_files
 upgrade_halconf_files
-update_staged_files