diff --git a/build/gcdfirm/sdmc-launcher/ARM7/main.c b/build/gcdfirm/sdmc-launcher/ARM7/main.c
index 20ad55eb..aae2d83e 100644
--- a/build/gcdfirm/sdmc-launcher/ARM7/main.c
+++ b/build/gcdfirm/sdmc-launcher/ARM7/main.c
@@ -65,8 +65,6 @@ static char* debugPtr = (char*)PRINT_MEMORY_ADDR;
 #define DMA_FATFS_1         0
 #define DMA_FATFS_2         1
 
-extern void*   SDNandContext;  /* NAND初期化パラメータ */
-
 static ROM_Header* const rh= (ROM_Header*)HW_TWL_ROM_HEADER_BUF;
 
 static OSThread idleThread;
@@ -218,7 +216,6 @@ void TwlSpMain( void )
     PUSH_PROFILE();
     SetDebugLED(++step); // 0x84
 
-    SDNandContext = &OSi_GetFromFirmAddr()->SDNandContext;
     if ( !FATFS_Init( DMA_FATFS_1, DMA_FATFS_2, THREAD_PRIO_FATFS ) )
     {
         OS_TPrintf("Failed to call FATFS_Init().\n");
diff --git a/build/nandfirm/sdmc-launcher/ARM7/main.c b/build/nandfirm/sdmc-launcher/ARM7/main.c
index b3e04b15..ab865092 100644
--- a/build/nandfirm/sdmc-launcher/ARM7/main.c
+++ b/build/nandfirm/sdmc-launcher/ARM7/main.c
@@ -65,8 +65,6 @@ static char* debugPtr = (char*)PRINT_MEMORY_ADDR;
 #define DMA_FATFS_1         0
 #define DMA_FATFS_2         1
 
-extern void*   SDNandContext;  /* NAND初期化パラメータ */
-
 static ROM_Header* const rh= (ROM_Header*)HW_TWL_ROM_HEADER_BUF;
 
 static OSThread idleThread;
@@ -218,7 +216,6 @@ void TwlSpMain( void )
     PUSH_PROFILE();
     SetDebugLED(++step); // 0x84
 
-    SDNandContext = &OSi_GetFromFirmAddr()->SDNandContext;
     if ( !FATFS_Init( DMA_FATFS_1, DMA_FATFS_2, THREAD_PRIO_FATFS ) )
     {
         OS_TPrintf("Failed to call FATFS_Init().\n");