diff --git a/core/clear_vars.mk b/core/clear_vars.mk
index 5209a04..0720efa 100644
--- a/core/clear_vars.mk
+++ b/core/clear_vars.mk
@@ -123,6 +123,7 @@
 LOCAL_CLANG:=
 LOCAL_ADDRESS_SANITIZER:=
 LOCAL_JAR_EXCLUDE_FILES:=
+LOCAL_SOURCE_FILES_ALL_GENERATED:= # '',true
 
 # Trim MAKEFILE_LIST so that $(call my-dir) doesn't need to
 # iterate over thousands of entries every time.