diff --git a/scripts/OWNERS b/scripts/OWNERS
index 819808362..c4c39d54e 100644
--- a/scripts/OWNERS
+++ b/scripts/OWNERS
@@ -1,5 +1,4 @@
 per-file system-clang-format,system-clang-format-2 = enh@google.com,smoreland@google.com
 per-file build-mainline-modules.sh = ngeoffray@google.com,paulduffin@google.com,mast@google.com
-per-file build-aml-prebuilts.sh = ngeoffray@google.com,paulduffin@google.com,mast@google.com
 per-file construct_context.py = ngeoffray@google.com,calin@google.com,mathieuc@google.com,skvadrik@google.com
 per-file conv_linker_config.py = kiyoungkim@google.com, jiyong@google.com, jooyung@google.com
diff --git a/scripts/build-aml-prebuilts.sh b/scripts/build-aml-prebuilts.sh
deleted file mode 100755
index 4b08ac331..000000000
--- a/scripts/build-aml-prebuilts.sh
+++ /dev/null
@@ -1,131 +0,0 @@
-#!/bin/bash -e
-
-# This is a wrapper around "m" that builds the given modules in multi-arch mode
-# for all architectures supported by Mainline modules. The make (kati) stage is
-# skipped, so the build targets in the arguments can only be Soong modules or
-# intermediate output files - make targets and normal installed paths are not
-# supported.
-#
-# This script is typically used with "sdk" or "module_export" modules, which
-# Soong will install in $OUT_DIR/soong/mainline-sdks (cf
-# PathForMainlineSdksInstall in android/paths.go).
-
-export OUT_DIR=${OUT_DIR:-out}
-
-if [ -e ${OUT_DIR}/soong/.soong.kati_enabled ]; then
-  # If ${OUT_DIR} has been created without --skip-make, Soong will create an
-  # ${OUT_DIR}/soong/build.ninja that leaves out many targets which are
-  # expected to be supplied by the .mk files, and that might cause errors in
-  # "m --skip-make" below. We therefore default to a different out dir
-  # location in that case.
-  AML_OUT_DIR=out/aml
-  echo "Avoiding in-make OUT_DIR '${OUT_DIR}' - building in '${AML_OUT_DIR}' instead"
-  OUT_DIR=${AML_OUT_DIR}
-fi
-
-if [ ! -e "build/envsetup.sh" ]; then
-  echo "$0 must be run from the top of the tree"
-  exit 1
-fi
-
-source build/envsetup.sh
-
-my_get_build_var() {
-  # get_build_var will run Soong in normal in-make mode where it creates
-  # .soong.kati_enabled. That would clobber our real out directory, so we need
-  # to run it in a different one.
-  OUT_DIR=${OUT_DIR}/get_build_var get_build_var "$@"
-}
-
-readonly SOONG_OUT=${OUT_DIR}/soong
-mkdir -p ${SOONG_OUT}
-
-# Some Soong build rules may require this, and the failure mode if it's missing
-# is confusing (b/172548608).
-readonly BUILD_NUMBER="$(my_get_build_var BUILD_NUMBER)"
-echo -n ${BUILD_NUMBER} > ${SOONG_OUT}/build_number.txt
-
-readonly PLATFORM_SDK_VERSION="$(my_get_build_var PLATFORM_SDK_VERSION)"
-readonly PLATFORM_VERSION="$(my_get_build_var PLATFORM_VERSION)"
-PLATFORM_VERSION_ALL_CODENAMES="$(my_get_build_var PLATFORM_VERSION_ALL_CODENAMES)"
-
-# PLATFORM_VERSION_ALL_CODENAMES is a comma separated list like O,P. We need to
-# turn this into ["O","P"].
-PLATFORM_VERSION_ALL_CODENAMES="${PLATFORM_VERSION_ALL_CODENAMES/,/'","'}"
-PLATFORM_VERSION_ALL_CODENAMES="[\"${PLATFORM_VERSION_ALL_CODENAMES}\"]"
-
-# Get the list of missing <uses-library> modules and convert it to a JSON array
-# (quote module names, add comma separator and wrap in brackets).
-MISSING_USES_LIBRARIES="$(my_get_build_var INTERNAL_PLATFORM_MISSING_USES_LIBRARIES)"
-MISSING_USES_LIBRARIES="[$(echo $MISSING_USES_LIBRARIES | sed -e 's/\([^ ]\+\)/\"\1\"/g' -e 's/[ ]\+/, /g')]"
-
-# Logic from build/make/core/goma.mk
-if [ "${USE_GOMA}" = true ]; then
-  if [ -n "${GOMA_DIR}" ]; then
-    goma_dir="${GOMA_DIR}"
-  else
-    goma_dir="${HOME}/goma"
-  fi
-  GOMA_CC="${goma_dir}/gomacc"
-  export CC_WRAPPER="${CC_WRAPPER}${CC_WRAPPER:+ }${GOMA_CC}"
-  export CXX_WRAPPER="${CXX_WRAPPER}${CXX_WRAPPER:+ }${GOMA_CC}"
-  export JAVAC_WRAPPER="${JAVAC_WRAPPER}${JAVAC_WRAPPER:+ }${GOMA_CC}"
-else
-  USE_GOMA=false
-fi
-
-readonly SOONG_VARS=${SOONG_OUT}/soong.variables
-
-# Aml_abis: true
-#   -  This flag configures Soong to compile for all architectures required for
-#      Mainline modules.
-# CrossHost: linux_bionic
-# CrossHostArch: x86_64
-#   -  Enable Bionic on host as ART needs prebuilts for it.
-# VendorVars.art_mdoule.source_build
-#   -  TODO(b/172480615): Change default to false when platform uses ART Module
-#      prebuilts by default.
-cat > ${SOONG_VARS}.new << EOF
-{
-    "BuildNumberFile": "build_number.txt",
-
-    "Platform_version_name": "${PLATFORM_VERSION}",
-    "Platform_sdk_version": ${PLATFORM_SDK_VERSION},
-    "Platform_sdk_codename": "${PLATFORM_VERSION}",
-    "Platform_version_active_codenames": ${PLATFORM_VERSION_ALL_CODENAMES},
-
-    "DeviceName": "generic_arm64",
-    "HostArch": "x86_64",
-    "HostSecondaryArch": "x86",
-    "CrossHost": "linux_bionic",
-    "CrossHostArch": "x86_64",
-    "Aml_abis": true,
-
-    "Allow_missing_dependencies": ${SOONG_ALLOW_MISSING_DEPENDENCIES:-false},
-    "Unbundled_build": ${TARGET_BUILD_UNBUNDLED:-false},
-    "UseGoma": ${USE_GOMA},
-
-    "VendorVars": {
-        "art_module": {
-            "source_build": "${ENABLE_ART_SOURCE_BUILD:-true}"
-        }
-    },
-
-    "MissingUsesLibraries": ${MISSING_USES_LIBRARIES}
-}
-EOF
-
-if [ -f ${SOONG_VARS} ] && cmp -s ${SOONG_VARS} ${SOONG_VARS}.new; then
-  # Don't touch soong.variables if we don't have to, to avoid Soong rebuilding
-  # the ninja file when it isn't necessary.
-  rm ${SOONG_VARS}.new
-else
-  mv ${SOONG_VARS}.new ${SOONG_VARS}
-fi
-
-# We use force building LLVM components flag (even though we actually don't
-# compile them) because we don't have bionic host prebuilts
-# for them.
-export FORCE_BUILD_LLVM_COMPONENTS=true
-
-m --skip-make "$@"
diff --git a/scripts/build-mainline-modules.sh b/scripts/build-mainline-modules.sh
index ea62af4a2..d6c6f94bd 100755
--- a/scripts/build-mainline-modules.sh
+++ b/scripts/build-mainline-modules.sh
@@ -84,10 +84,16 @@ for product in "${PRODUCTS[@]}"; do
 done
 
 # Create multi-archs SDKs in a different out directory. The multi-arch script
-# uses Soong in --skip-make mode which cannot use the same directory as normal
+# uses Soong in --skip-kati mode which cannot use the same directory as normal
 # mode with make.
 export OUT_DIR=${OUT_DIR}/aml
-echo_and_run build/soong/scripts/build-aml-prebuilts.sh ${MODULES_SDK_AND_EXPORTS[@]}
+# We use force building LLVM components flag (even though we actually don't
+# compile them) because we don't have bionic host prebuilts
+# for them.
+export FORCE_BUILD_LLVM_COMPONENTS=true
+
+echo_and_run build/soong/soong_ui.bash --make-mode --skip-kati \
+  TARGET_PRODUCT=mainline_sdk "$@" ${MODULES_SDK_AND_EXPORTS[@]}
 
 rm -rf ${DIST_DIR}/mainline-sdks
 echo_and_run cp -R ${OUT_DIR}/soong/mainline-sdks ${DIST_DIR}