diff --git a/NexTouch.cpp b/NexTouch.cpp
index 47feef5..9493433 100644
--- a/NexTouch.cpp
+++ b/NexTouch.cpp
@@ -389,12 +389,6 @@ __return:
     return ret;
 }
 
-bool NexTouch::getBrightness(uint32_t *brightness)
-{
-    sendCommand("get dim");
-    return recvRetNumber(brightness);
-}
-
 /**
  * Init Nextion's baudrate,page id.    
  * 
@@ -424,6 +418,7 @@ bool nexLoop(NexTouch **nex_listen_list)
     return false;
 }
 
+#if 0
 /**
  * Return current page id.   
  *  
@@ -743,23 +738,4 @@ bool setDefaultBaudrate(uint32_t defaultBaudrate)
     return ret; 
 }
 
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
+#endif
diff --git a/NexTouch.h b/NexTouch.h
index 8165650..c957f51 100644
--- a/NexTouch.h
+++ b/NexTouch.h
@@ -74,8 +74,6 @@ public: /* methods */
     void print(void);
 
 protected: /* static methods */    
-    static bool setBrightness(uint32_t brightness);
-    static bool getBrightness(uint32_t *brightness);
 
 protected: /* methods */    
     void attachPush(NexTouchEventCb push, void *ptr = NULL);
@@ -105,7 +103,9 @@ private: /* data */
 
 bool nexInit(void);
 bool nexLoop(NexTouch **nex_listen_list);
-bool  sendCurrentPageId(uint8_t* pageId);
+
+#if 0
+bool sendCurrentPageId(uint8_t* pageId);
 bool touchCalibration(void);
 bool disableTouchFocus(void); 
 bool pauseSerialCommand(void); 
@@ -116,6 +116,7 @@ bool setDefaultBrightness(uint8_t dimDefaultValue);
 bool sleepMode(uint8_t mode);
 bool setCurrentBaudrate(uint32_t baudrate);
 bool setDefaultBaudrate(uint32_t baudrate);
+#endif
 
 #endif /* #ifdef __cplusplus */
 #endif /* #ifndef __NEXTOUCH_H__ */