diff --git a/Android.mk b/Android.mk
index 038daaa..c7998ac 100755
--- a/Android.mk
+++ b/Android.mk
@@ -71,9 +71,14 @@
     openrecoveryscript.cpp \
     tarWrite.c \
     twrpAdbBuFifo.cpp \
-    twrpApex.cpp \
     twrpRepacker.cpp
 
+ifeq ($(TW_EXCLUDE_APEX),)
+    LOCAL_SRC_FILES += twrpApex.cpp
+else
+    LOCAL_CFLAGS += -DTW_EXCLUDE_APEX
+endif
+
 LOCAL_STATIC_LIBRARIES += libavb libtwrpinstall libminadbd_services libinit
 LOCAL_SHARED_LIBRARIES += libfs_mgr
 LOCAL_C_INCLUDES += \
@@ -284,6 +289,9 @@
 ifeq ($(TW_INCLUDE_L_CRYPTO), true)
     TW_INCLUDE_CRYPTO := true
 endif
+ifneq ($(TW_ADDITIONAL_APEX_FILES),)
+    LOCAL_CFLAGS += -DTW_ADDITIONAL_APEX_FILES=$(TW_ADDITIONAL_APEX_FILES)
+endif
 ifeq ($(TW_INCLUDE_CRYPTO), true)
     LOCAL_CFLAGS += -DTW_INCLUDE_CRYPTO -DUSE_FSCRYPT -Wno-macro-redefined
     LOCAL_SHARED_LIBRARIES += libcryptfsfde