diff --git a/device.mk b/device.mk
index f3f742f..b2e35c6 100644
--- a/device.mk
+++ b/device.mk
@@ -24,6 +24,16 @@ PRODUCT_PACKAGES += \
 PRODUCT_PACKAGES_DEBUG += \
     update_engine_client
 
+AB_OTA_POSTINSTALL_CONFIG += \
+    RUN_POSTINSTALL_system=true \
+    POSTINSTALL_PATH_system=system/bin/otapreopt_script \
+    FILESYSTEM_TYPE_system=ext4 \
+    POSTINSTALL_OPTIONAL_system=true
+
+PRODUCT_PACKAGES += \
+    checkpoint_gc \
+    otapreopt_script
+
 # Audio
 PRODUCT_PACKAGES += \
     android.hardware.audio.service \