diff --git a/Android.mk b/Android.mk
index a3d5e81e54b13..9492167627689 100644
--- a/Android.mk
+++ b/Android.mk
@@ -615,6 +615,7 @@ LOCAL_SRC_FILES := $(ext_src_files)
 LOCAL_NO_STANDARD_LIBRARIES := true
 LOCAL_JAVA_LIBRARIES := core
 LOCAL_JAVA_RESOURCE_DIRS := $(ext_res_dirs)
+LOCAL_MODULE_TAGS := optional
 LOCAL_MODULE := ext
 
 LOCAL_NO_EMMA_INSTRUMENT := true