diff --git a/build/libraries/aes/ARM7/aes_instruction.c b/build/libraries/aes/ARM7/aes_instruction.c
index ccb11a2..5cb1520 100644
--- a/build/libraries/aes/ARM7/aes_instruction.c
+++ b/build/libraries/aes/ARM7/aes_instruction.c
@@ -17,11 +17,6 @@
 #include <twl/aes/common/assert.h>
 #include <nitro/os/common/interrupt.h>
 
-// for OLD AES registers
-#ifndef AES_DOES_NOT_SUPPORT_MULTIPLE_KEYS
-#define AES_DOES_NOT_SUPPORT_MULTIPLE_KEYS
-#endif
-
 #ifdef AES_DOES_NOT_SUPPORT_MULTIPLE_KEYS
 #define REG_AES_KEY_OFFSET                                 0x4410
 #define REG_AES_KEY_ADDR                                   (HW_REG_BASE + REG_AES_KEY_OFFSET)
diff --git a/build/tests/aes/aes-1/ARM7/src/main.c b/build/tests/aes/aes-1/ARM7/src/main.c
index 64aeda3..fa25ffd 100644
--- a/build/tests/aes/aes-1/ARM7/src/main.c
+++ b/build/tests/aes/aes-1/ARM7/src/main.c
@@ -196,7 +196,7 @@ static void test2(void)
     // 出力結果の表示
     dump(__func__, dataB, sizeof(gs_data));
 
-    OS_TPrintf("Result: %s\n", AES_IsValid() ? "Success" : "Failed");
+    OS_TPrintf("Result: %s\n", AES_IsValid() ? "Success" : "Failed (OK!)");
 }
 
 static u32 intrCounter[3];
diff --git a/build/tests/aes/aes-1/ARM9/src/main.c b/build/tests/aes/aes-1/ARM9/src/main.c
index 9f47054..9edc8df 100644
--- a/build/tests/aes/aes-1/ARM9/src/main.c
+++ b/build/tests/aes/aes-1/ARM9/src/main.c
@@ -283,7 +283,7 @@ static void test2(void)
     }
     else
     {
-        OS_TPrintf("Result: %s\n", AES_RESULT_SUCCESS_TRUE == result ? "Success" : "Failed");
+        OS_TPrintf("Result: %s\n", AES_RESULT_SUCCESS_TRUE == result ? "Success" : "Failed (OK!)");
     }
 }