diff --git a/build/systemMenu_tools/SystemUpdater/ARM9.TWL/Makefile b/build/systemMenu_tools/SystemUpdater/ARM9.TWL/Makefile
index 423adc2e..0d9dd0cc 100644
--- a/build/systemMenu_tools/SystemUpdater/ARM9.TWL/Makefile
+++ b/build/systemMenu_tools/SystemUpdater/ARM9.TWL/Makefile
@@ -71,8 +71,6 @@ SRCDIR		=	src \
 #----------------------------------------------------------------------------
 
 include $(TWL_IPL_RED_ROOT)/build/buildtools/commondefs
-include	$(TWLSDK_ROOT)/build/buildtools/commondefs.gx.demolib
-
 
 ifneq ($(TWL_IPL_RED_PRIVATE_ROOT),)
 ifdef FIRM_USE_PRODUCT_KEYS
diff --git a/build/systemMenu_tools/SystemUpdater/Makefile b/build/systemMenu_tools/SystemUpdater/Makefile
index d6cb2d18..d931d7c0 100644
--- a/build/systemMenu_tools/SystemUpdater/Makefile
+++ b/build/systemMenu_tools/SystemUpdater/Makefile
@@ -29,6 +29,10 @@ DS_HASH_TABLE				=	$(TWL_IPL_RED_ROOT)/build/systemMenu_RED/DSHashTable
 SHARED_FONT_DIR				=	$(TWL_IPL_RED_ROOT)/build/systemMenu_RED/sharedFont
 NANDFIRM_DIR                =   $(TWL_IPL_RED_ROOT)/build/nandfirm/menu-launcher
 
+# 既存データを使用する場合はTRUEを指定
+SKIP_CREATE_DATA = FALSE
+
+ifeq ($(SKIP_CREATE_DATA),FALSE)
 SUBDIRS =	$(LAUNCHER_DIR) \
 			$(MACHINESETTINGS_DIR) \
 			$(WLANFIRM_DIR) \
@@ -39,6 +43,11 @@ SUBDIRS =	$(LAUNCHER_DIR) \
 			banner \
 			ARM7.TWL \
 			ARM9.TWL
+else
+SUBDIRS =	banner \
+			ARM7.TWL \
+			ARM9.TWL
+endif
 
 # COMPILE SWITCH for build SystemMenu