diff --git a/rootdir/Android.bp b/rootdir/Android.bp
index e8f7627..7105ed5 100644
--- a/rootdir/Android.bp
+++ b/rootdir/Android.bp
@@ -114,10 +114,23 @@
     sub_dir: "init",
 }
 
+prebuilt_etc {
+    name: "asan.options",
+    src: "asan.options",
+}
+
+sh_binary {
+    name: "asan_extract",
+    src: "asan_extract.sh",
+    init_rc: ["asan_extract.rc"],
+    // We need bzip2 on device for extraction.
+    required: ["bzip2"],
+}
+
 llndk_libraries_txt {
     name: "llndk.libraries.txt",
 }
 
 sanitizer_libraries_txt {
     name: "sanitizer.libraries.txt",
-}
\ No newline at end of file
+}
diff --git a/rootdir/Android.mk b/rootdir/Android.mk
index 4c1f2e4..e6ccda7 100644
--- a/rootdir/Android.mk
+++ b/rootdir/Android.mk
@@ -3,39 +3,12 @@
 $(eval $(call declare-1p-copy-files,system/core/rootdir,))
 
 #######################################
-# asan.options
 ifneq ($(filter address,$(SANITIZE_TARGET)),)
-
-include $(CLEAR_VARS)
-
-LOCAL_MODULE := asan.options
-LOCAL_LICENSE_KINDS := SPDX-license-identifier-Apache-2.0
-LOCAL_LICENSE_CONDITIONS := notice
-LOCAL_MODULE_CLASS := ETC
-LOCAL_SRC_FILES := $(LOCAL_MODULE)
-LOCAL_MODULE_PATH := $(TARGET_OUT)
-
-include $(BUILD_PREBUILT)
-
-# ASAN extration.
 ASAN_EXTRACT_FILES :=
 ifeq ($(SANITIZE_TARGET_SYSTEM),true)
-include $(CLEAR_VARS)
-LOCAL_MODULE:= asan_extract
-LOCAL_LICENSE_KINDS:= SPDX-license-identifier-Apache-2.0
-LOCAL_LICENSE_CONDITIONS:= notice
-LOCAL_MODULE_TAGS := optional
-LOCAL_MODULE_CLASS := EXECUTABLES
-LOCAL_SRC_FILES := asan_extract.sh
-LOCAL_INIT_RC := asan_extract.rc
-# We need bzip2 on device for extraction.
-LOCAL_REQUIRED_MODULES := bzip2
-include $(BUILD_PREBUILT)
 ASAN_EXTRACT_FILES := asan_extract
 endif
-
 endif
-
 #######################################
 # init.environ.rc