diff --git a/components/drivers/sensors/sensor.h b/components/drivers/sensors/sensor.h
index df70e96690440acd67422446ae0fd359bb537703..5f8b451be6d756aff3ee198499f028265b2da815 100755
--- a/components/drivers/sensors/sensor.h
+++ b/components/drivers/sensors/sensor.h
@@ -6,26 +6,7 @@
  * Change Logs:
  * Date           Author       Notes
  * 2019-01-31     flybreak     first version
- * 2021-06-23     linpeng      added function declaration
  */
 
-#ifndef __SENSOR_H__
-#define __SENSOR_H__
-
 #include <rtthread.h>
-
-#ifdef __cplusplus
-extern "C"
-{
-#endif
-
-int rt_hw_sensor_register(rt_sensor_t sensor,
-                          const char *name,
-                          rt_uint32_t flag,
-                          void *data);
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /*__SENSOR_H__*/
+#include <rtdevice.h>