diff --git a/libraries/oleddrv/menu.h b/libraries/oleddrv/menu.h
deleted file mode 100644
--- a/libraries/oleddrv/menu.h
+++ /dev/null
@@ -1,86 +0,0 @@
-/*******************************************************************************
-* File Name          : menu.h
-* Author             : lxyppc
-* Version            : V1.0
-* Date               : 10-03-05
-* Description        : menu header
-*******************************************************************************/
-#ifndef   MENU_H
-#define   MENU_H
-
-// Menu message definition
-#define   MSG_SCROLL      0x00000001ul
-#define   MSG_KEY_UP      0x00000002ul
-#define   MSG_KEY_DOWN    0x00000003ul
-#define   MSG_SECOND      0x00000004ul
-#define   MSG_SENSE       0x00000005ul
-#define   MSG_INIT        0x00000006ul
-#define   MSG_POWER       0x00000007ul
-#define   MSG_GRAV_XY     0x00000008ul
-#define   MSG_GRAV_Z      0x00000009ul
-
-#define   MakeMsgGrav_XY(pMsg,x,y)      \
-  {\
-    (pMsg)->message = MSG_GRAV_XY;\
-    (pMsg)->param = (void*)((x) | (((unsigned long)(y))<<16));\
-  }
-#define   MakeMsgGrav_Z(pMsg,z)      \
-  {\
-    (pMsg)->message = MSG_GRAV_Z;\
-    (pMsg)->param = (void*)(z);\
-  }
-
-// Here  Gravity X is MMA Y axis output
-#define   GetGravX(pMsg)    (u16)(((u32)(pMsg)->param>>16) & 0x0FFF)
-// Here  Gravity Y is MMA X axis output
-#define   GetGravY(pMsg)    (u16)((u32)(pMsg)->param & 0x0FFF)
-#define   GetGravZ(pMsg)    (u16)((u32)(pMsg)->param & 0x0FFF)
-
-// POWER mode definition
-#define   PWR_CHG         0x0001
-#define   PWR_GOOD        0x0002
-#define   GetBatValue(pMsg)     (u16)(((u32)(pMsg)->param)>>16)
-
-// Menu type definition
-#define   MT_NULL         0x00
-#define   MT_SUB          0x01    // Has sub menu
-#define   MT_CHECK        0x02    // Has check box
-
-typedef   const char*    LPCSTR;
-
-typedef   struct  _Msg
-{
-  void*           param;
-  unsigned long   message;
-}Msg;
-
-typedef   enum{
-  MR_Finish,
-  MR_Error,
-  MR_Continue,
-}MenuResult;
-
-typedef   MenuResult(*MenuFunc_t)(void* param, Msg* pVoid);
-
-typedef   struct  _MenuItem
-{
-  const struct _MenuItem*   parent;
-  union{
-    const void*         justMakeInitialEasy;
-    const MenuFunc_t          pfnMenu;
-    const struct _MenuItem*   child;
-  };
-  unsigned char       index;    // menu index
-  unsigned char       cnt;      // menu count
-  unsigned char       res;      // menu resource
-  unsigned  char      type;
-}MenuItem;
-
-MenuFunc_t    InitialMenu();
-
-unsigned long  MenuProcess(Msg* msg);
-MenuResult     PopupMenu(const MenuItem* menu);
-unsigned long   GetMessage(Msg* msg);
-unsigned long   PostMessage(Msg* msg);
-
-#endif