diff --git a/adbbu/Android.mk b/adbbu/Android.mk
index 8f8dbd0..e271938 100644
--- a/adbbu/Android.mk
+++ b/adbbu/Android.mk
@@ -41,7 +41,7 @@
 LOCAL_CFLAGS:= -c -W
 LOCAL_MODULE:= twrpbu
 LOCAL_MODULE_STEM := bu
-LOCAL_MODULE_TAGS:= eng
+LOCAL_MODULE_TAGS:= optional
 LOCAL_MODULE_CLASS := RECOVERY_EXECUTABLES
 LOCAL_MODULE_PATH := $(TARGET_RECOVERY_ROOT_OUT)/sbin
 include $(BUILD_EXECUTABLE)