diff --git a/build/libraries_sysmenu/sysmenu/common/src/pxi.c b/build/libraries_sysmenu/sysmenu/common/src/pxi.c
index 81ec40a8..cfba8520 100644
--- a/build/libraries_sysmenu/sysmenu/common/src/pxi.c
+++ b/build/libraries_sysmenu/sysmenu/common/src/pxi.c
@@ -91,10 +91,6 @@ void SYSM_InitPXI( u32 mcu_prio )
     while ( ! PXI_IsCallbackReady( SYSMENU_PXI_FIFO_TAG, PXI_PROC_ARM7 ) )
     {
     }
-
-    while ( ! PXI_IsCallbackReady( PXI_FIFO_TAG_HOTSW, PXI_PROC_ARM7 ) )
-    {
-    }
 #endif // SDK_ARM9
     PXI_SetFifoRecvCallback( SYSMENU_PXI_FIFO_TAG, SYSMi_PXIFifoRecvCallback );
     SYSM_InitDecryptAESPXICallback();
@@ -269,47 +265,4 @@ void SYSMi_PXIFifoRecvCallback( PXIFifoTag tag, u32 data, BOOL err )
     PXI_SendWordByFifo( SYSMENU_PXI_FIFO_TAG, packet.raw, FALSE );
 
 #endif // SDK_ARM7
-
-#if 0
-
-#ifdef SDK_ARM9
-
-    if( packet.stat == SYSM_PXI_COMM_STAT_ACK ) {
-        switch( data ) {
-        case SYSM_PXI_COMM_DISABLE_HOTSW:
-            SYSMi_GetWork()->flags.arm9.isEnableHotSW = 0;
-            break;
-        default:
-            break;
-        }
-    }else { // SYSM_PXI_COMM_STAT_REQ
-        switch( data ) {
-        default:
-            break;
-        }
-    }
-#else  // !SDK_ARM9
-
-    if( packet.stat == SYSM_PXI_COMM_STAT_REQ ) {
-        switch( data ) {
-        case SYSM_PXI_COMM_DISABLE_HOTSW:
-            if( SYSMi_GetWork()->flags.arm7.isBusyHotSW ) {
-                SYSMi_GetWork()->flags.arm7.disableHotSW_REQ = 1;
-            }else {
-                SYSMi_GetWork()->flags.arm7.isEnableHotSW = 0;
-                // PXI�ŕԐM
-            }
-            break;
-        default:
-            break;
-        }
-    }else { // SYSM_PXI_COMM_STAT_ACK
-        switch( data ) {
-        default:
-            break;
-        }
-    }
-#endif // SDK_ARM9
-#endif
 }
-
diff --git a/include/sysmenu/sysmenu_lib/common/pxi.h b/include/sysmenu/sysmenu_lib/common/pxi.h
index 50a2559b..960edb95 100644
--- a/include/sysmenu/sysmenu_lib/common/pxi.h
+++ b/include/sysmenu/sysmenu_lib/common/pxi.h
@@ -35,9 +35,8 @@ extern "C" {
 
 typedef enum SYSMPXICommand {
     SYSM_PXI_COMM_BL_BRIGHT = 0,
-    SYSM_PXI_COMM_DISABLE_HOTSW = 1,
 #ifdef DHT_TEST
-    SYSM_PXI_COMM_DS_HASH_TABLE = 2,
+    SYSM_PXI_COMM_DS_HASH_TABLE = 1,
 #endif
 
     SYSM_PXI_COMM_NUM