diff --git a/core/android_soong_config_vars.mk b/core/android_soong_config_vars.mk
index 5e63a25..c6f4d68 100644
--- a/core/android_soong_config_vars.mk
+++ b/core/android_soong_config_vars.mk
@@ -82,7 +82,7 @@
   # This sets the default for building ART APEXes from source rather than
   # prebuilts (in packages/modules/ArtPrebuilt and prebuilt/module_sdk/art) in
   # all other platform builds.
-  SOONG_CONFIG_art_module_source_build ?= true
+  SOONG_CONFIG_art_module_source_build ?= false
 endif
 
 # Apex build mode variables