diff --git a/target/product/aosp_arm.mk b/target/product/aosp_arm.mk
index dc49498..1f274ac 100644
--- a/target/product/aosp_arm.mk
+++ b/target/product/aosp_arm.mk
@@ -21,16 +21,7 @@
 # - VNDK enforcement
 # - compatible property override enabled
 
-PRODUCT_PROPERTY_OVERRIDES += \
-	vendor.rild.libpath=/vendor/lib/libreference-ril.so
-
-# Note: the following lines need to stay at the beginning so that it can
-# take priority  and override the rules it inherit from other mk files
-# see copy file rules in core/Makefile
-PRODUCT_COPY_FILES += \
-    development/sys-img/advancedFeatures.ini.arm:advancedFeatures.ini \
-    prebuilts/qemu-kernel/arm64/3.18/kernel-qemu2:kernel-ranchu-64 \
-    device/generic/goldfish/fstab.ranchu.arm:$(TARGET_COPY_OUT_VENDOR)/etc/fstab.ranchu
+include device/generic/goldfish/arm32-vendor.mk
 
 include $(SRC_TARGET_DIR)/product/full.mk
 
diff --git a/target/product/aosp_arm64.mk b/target/product/aosp_arm64.mk
index 0d9e055..301f4dc 100644
--- a/target/product/aosp_arm64.mk
+++ b/target/product/aosp_arm64.mk
@@ -21,21 +21,12 @@
 # - VNDK enforcement
 # - compatible property override enabled
 
-PRODUCT_PROPERTY_OVERRIDES += \
-	vendor.rild.libpath=/vendor/lib64/libreference-ril.so
-
 # This is a build configuration for a full-featured build of the
 # Open-Source part of the tree. It's geared toward a US-centric
 # build quite specifically for the emulator, and might not be
 # entirely appropriate to inherit from for on-device configurations.
 
-# Note: the following lines need to stay at the beginning so that it can
-# take priority  and override the rules it inherit from other mk files
-# see copy file rules in core/Makefile
-PRODUCT_COPY_FILES += \
-    development/sys-img/advancedFeatures.ini.arm:advancedFeatures.ini \
-    prebuilts/qemu-kernel/arm64/3.18/kernel-qemu2:kernel-ranchu \
-    device/generic/goldfish/fstab.ranchu.arm:$(TARGET_COPY_OUT_VENDOR)/etc/fstab.ranchu
+include device/generic/goldfish/arm64-vendor.mk
 
 # Copy different zygote settings for vendor.img to select by setting property
 # ro.zygote=zygote64_32 or ro.zygote=zygote32_64:
diff --git a/target/product/aosp_x86.mk b/target/product/aosp_x86.mk
index abaab5d..abeb3ff 100644
--- a/target/product/aosp_x86.mk
+++ b/target/product/aosp_x86.mk
@@ -21,17 +21,7 @@
 # - VNDK enforcement
 # - compatible property override enabled
 
-PRODUCT_PROPERTY_OVERRIDES += \
-	vendor.rild.libpath=/vendor/lib/libreference-ril.so
-
-# This is a build configuration for a full-featured build of the
-# Open-Source part of the tree. It's geared toward a US-centric
-# build quite specifically for the emulator, and might not be
-# entirely appropriate to inherit from for on-device configurations.
-PRODUCT_COPY_FILES += \
-    development/sys-img/advancedFeatures.ini:advancedFeatures.ini \
-    device/generic/goldfish/data/etc/encryptionkey.img:encryptionkey.img \
-    prebuilts/qemu-kernel/x86_64/4.9/kernel-qemu2:kernel-ranchu-64
+include device/generic/goldfish/x86-vendor.mk
 
 include $(SRC_TARGET_DIR)/product/full_x86.mk
 
diff --git a/target/product/aosp_x86_64.mk b/target/product/aosp_x86_64.mk
index 2168740..7e9fd46 100644
--- a/target/product/aosp_x86_64.mk
+++ b/target/product/aosp_x86_64.mk
@@ -21,18 +21,12 @@
 # - VNDK enforcement
 # - compatible property override enabled
 
-PRODUCT_PROPERTY_OVERRIDES += \
-	vendor.rild.libpath=/vendor/lib64/libreference-ril.so
-
 # This is a build configuration for a full-featured build of the
 # Open-Source part of the tree. It's geared toward a US-centric
 # build quite specifically for the emulator, and might not be
 # entirely appropriate to inherit from for on-device configurations.
 
-PRODUCT_COPY_FILES += \
-    development/sys-img/advancedFeatures.ini:advancedFeatures.ini \
-    device/generic/goldfish/data/etc/encryptionkey.img:encryptionkey.img \
-    prebuilts/qemu-kernel/x86_64/4.9/kernel-qemu2:kernel-ranchu
+include device/generic/goldfish/x86_64-vendor.mk
 
 # Copy different zygote settings for vendor.img to select by setting property
 # ro.zygote=zygote64_32 or ro.zygote=zygote32_64:
diff --git a/target/product/emulator.mk b/target/product/emulator.mk
index 78d8e92..4d482fa 100644
--- a/target/product/emulator.mk
+++ b/target/product/emulator.mk
@@ -18,151 +18,22 @@
 # emulator-related modules to PRODUCT_PACKAGES.
 #
 
-# Host modules
-PRODUCT_PACKAGES += \
-
-
 # Device modules
 PRODUCT_PACKAGES += \
-    egl.cfg \
-    gralloc.goldfish \
-    gralloc.goldfish.default \
-    gralloc.ranchu \
-    libGLESv1_CM_emulation \
-    lib_renderControl_enc \
-    libEGL_emulation \
     libGLES_android \
-    libGLESv2_enc \
-    libOpenglSystemCommon \
-    libGLESv2_emulation \
-    libGLESv1_enc \
-    libEGL_swiftshader \
-    libGLESv1_CM_swiftshader \
-    libGLESv2_swiftshader \
-    qemu-props \
-    camera.goldfish \
-    camera.goldfish.jpeg \
-    camera.ranchu \
-    camera.ranchu.jpeg \
-    gatekeeper.ranchu \
-    lights.goldfish \
-    gps.goldfish \
-    gps.ranchu \
-    fingerprint.goldfish \
-    sensors.goldfish \
-    audio.primary.goldfish \
-    audio.primary.goldfish_legacy \
-    android.hardware.audio@2.0-service \
-    android.hardware.wifi@1.0-service \
-    vibrator.goldfish \
-    power.goldfish \
-    power.ranchu \
-    fingerprint.ranchu \
-    android.hardware.biometrics.fingerprint@2.1-service \
-    sensors.ranchu \
-    android.hardware.graphics.composer@2.1-impl \
-    android.hardware.graphics.composer@2.1-service \
-    android.hardware.graphics.allocator@2.0-service \
-    android.hardware.graphics.allocator@2.0-impl \
-    android.hardware.graphics.mapper@2.0-impl \
-    hwcomposer.goldfish \
-    hwcomposer.ranchu \
-    sh_vendor \
     vintf \
-    toybox_vendor \
     CarrierConfig \
-    audio.primary.goldfish \
-    audio.r_submix.default \
-    local_time.default \
-    SdkSetup
-
-PRODUCT_PACKAGES += \
-    android.hardware.audio@2.0-impl \
-    android.hardware.audio.effect@2.0-impl \
-    android.hardware.broadcastradio@1.1-service \
-    android.hardware.broadcastradio@1.0-impl \
-    android.hardware.soundtrigger@2.0-impl
-
-PRODUCT_PACKAGES += \
-    android.hardware.keymaster@3.0-impl \
-    android.hardware.keymaster@3.0-service
-
-PRODUCT_PACKAGES += \
-    android.hardware.keymaster@4.0-strongbox-service
-
-PRODUCT_PACKAGES += \
-    android.hardware.gnss@1.0-service \
-    android.hardware.gnss@1.0-impl
-
-PRODUCT_PACKAGES += \
-    android.hardware.sensors@1.0-impl \
-    android.hardware.sensors@1.0-service
-
-PRODUCT_PACKAGES += \
-    android.hardware.drm@1.0-service \
-    android.hardware.drm@1.0-impl
-
-PRODUCT_PACKAGES += \
-    android.hardware.power@1.0-service \
-    android.hardware.power@1.0-impl
-
-PRODUCT_PACKAGES += \
-    camera.device@1.0-impl \
-    android.hardware.camera.provider@2.4-service \
-    android.hardware.camera.provider@2.4-impl \
-
-PRODUCT_PACKAGES += \
-    android.hardware.gatekeeper@1.0-impl \
-    android.hardware.gatekeeper@1.0-service
 
 # need this for gles libraries to load properly
 # after moving to /vendor/lib/
 PRODUCT_PACKAGES += \
     vndk-sp
 
-# WiFi
+# WiFi: system side
 PRODUCT_PACKAGES += \
-	createns \
-	dhcpclient \
-	dhcpserver \
-	execns \
-	hostapd \
 	ip \
-	ipv6proxy \
 	iw \
 	wificond \
-	wpa_supplicant \
-
-PRODUCT_COPY_FILES += \
-    device/generic/goldfish/data/etc/apns-conf.xml:data/misc/apns/apns-conf.xml \
-    device/generic/goldfish/init.ranchu-core.sh:$(TARGET_COPY_OUT_VENDOR)/bin/init.ranchu-core.sh \
-    device/generic/goldfish/init.ranchu-net.sh:$(TARGET_COPY_OUT_VENDOR)/bin/init.ranchu-net.sh \
-    device/generic/goldfish/wifi/init.wifi.sh:$(TARGET_COPY_OUT_VENDOR)/bin/init.wifi.sh \
-    device/generic/goldfish/init.ranchu.rc:$(TARGET_COPY_OUT_VENDOR)/etc/init/hw/init.ranchu.rc \
-    device/generic/goldfish/fstab.ranchu:$(TARGET_COPY_OUT_VENDOR)/etc/fstab.ranchu \
-    device/generic/goldfish/ueventd.ranchu.rc:$(TARGET_COPY_OUT_VENDOR)/ueventd.rc \
-    device/generic/goldfish/input/goldfish_rotary.idc:$(TARGET_COPY_OUT_VENDOR)/usr/idc/goldfish_rotary.idc \
-    device/generic/goldfish/manifest.xml:$(TARGET_COPY_OUT_VENDOR)/manifest.xml \
-    device/generic/goldfish/data/etc/permissions/privapp-permissions-goldfish.xml:$(TARGET_COPY_OUT_VENDOR)/etc/permissions/privapp-permissions-goldfish.xml \
-    device/generic/goldfish/data/etc/config.ini:config.ini \
-    device/generic/goldfish/wifi/simulated_hostapd.conf:$(TARGET_COPY_OUT_VENDOR)/etc/simulated_hostapd.conf \
-    device/generic/goldfish/wifi/wpa_supplicant.conf:$(TARGET_COPY_OUT_VENDOR)/etc/wifi/wpa_supplicant.conf \
-    device/generic/goldfish/wifi/WifiConfigStore.xml:data/misc/wifi/WifiConfigStore.xml \
-    frameworks/native/data/etc/android.hardware.wifi.xml:$(TARGET_COPY_OUT_VENDOR)/etc/permissions/android.hardware.wifi.xml \
-    device/generic/goldfish/data/etc/handheld_core_hardware.xml:$(TARGET_COPY_OUT_VENDOR)/etc/permissions/handheld_core_hardware.xml \
-    device/generic/goldfish/camera/media_profiles.xml:$(TARGET_COPY_OUT_VENDOR)/etc/media_profiles_V1_0.xml \
-    frameworks/av/media/libstagefright/data/media_codecs_google_audio.xml:$(TARGET_COPY_OUT_VENDOR)/etc/media_codecs_google_audio.xml \
-    frameworks/av/media/libstagefright/data/media_codecs_google_telephony.xml:$(TARGET_COPY_OUT_VENDOR)/etc/media_codecs_google_telephony.xml \
-    device/generic/goldfish/camera/media_codecs_google_video.xml:$(TARGET_COPY_OUT_VENDOR)/etc/media_codecs_google_video.xml \
-    device/generic/goldfish/camera/media_codecs.xml:$(TARGET_COPY_OUT_VENDOR)/etc/media_codecs.xml \
-    device/generic/goldfish/camera/media_codecs_performance.xml:$(TARGET_COPY_OUT_VENDOR)/etc/media_codecs_performance.xml \
-    frameworks/native/data/etc/android.hardware.touchscreen.multitouch.jazzhand.xml:$(TARGET_COPY_OUT_VENDOR)/etc/permissions/android.hardware.touchscreen.multitouch.jazzhand.xml \
-    frameworks/native/data/etc/android.hardware.camera.autofocus.xml:$(TARGET_COPY_OUT_VENDOR)/etc/permissions/android.hardware.camera.autofocus.xml \
-    frameworks/native/data/etc/android.hardware.camera.full.xml:$(TARGET_COPY_OUT_VENDOR)/etc/permissions/android.hardware.camera.full.xml \
-    frameworks/native/data/etc/android.hardware.fingerprint.xml:$(TARGET_COPY_OUT_VENDOR)/etc/permissions/android.hardware.fingerprint.xml \
-    frameworks/native/data/etc/android.software.autofill.xml:$(TARGET_COPY_OUT_VENDOR)/etc/permissions/android.software.autofill.xml \
-    frameworks/av/media/libeffects/data/audio_effects.conf:$(TARGET_COPY_OUT_VENDOR)/etc/audio_effects.conf \
-    device/generic/goldfish/audio_policy.conf:$(TARGET_COPY_OUT_VENDOR)/etc/audio_policy.conf
 
 
 PRODUCT_PACKAGE_OVERLAYS := device/generic/goldfish/overlay
@@ -171,6 +42,9 @@
 
 PRODUCT_FULL_TREBLE_OVERRIDE := true
 
+# goldfish vendor partition configurations
+$(call inherit-product, device/generic/goldfish/vendor.mk)
+
 #watchdog tiggers reboot because location service is not
 #responding, disble it for now.
 #still keep it on internal master as it is still working