diff --git a/include/firm/aes/ARM7/aes_init.h b/include/firm/aes/ARM7/aes_init.h
index 5134d167..f3c18dc0 100644
--- a/include/firm/aes/ARM7/aes_init.h
+++ b/include/firm/aes/ARM7/aes_init.h
@@ -129,6 +129,7 @@ static inline void AESi_ResetAesKeyC( void )
 
   Returns:      None
  *---------------------------------------------------------------------------*/
+#if 0	// rebootライブラリに移動.
 static inline void AESi_ResetAesKeyD( void )
 {
     AES_Lock();
@@ -138,7 +139,7 @@ static inline void AESi_ResetAesKeyD( void )
 
     AES_Unlock();
 }
-
+#endif
 /*---------------------------------------------------------------------------*
   Name:         AESi_InitKeysFIRM