diff --git a/components/drivers/include/drivers/serial.h b/components/drivers/include/drivers/serial.h
index bf2a25ae1e8a007c0e3a431783429c421f72bb72..3b0a009072c719e438cd77d69d1642b29f52064f 100644
--- a/components/drivers/include/drivers/serial.h
+++ b/components/drivers/include/drivers/serial.h
@@ -65,11 +65,6 @@
 #define RT_SERIAL_RB_BUFSZ              64
 #endif
 
-#define RT_DEVICE_CTRL_CONFIG           0x03    /* configure device */
-#define RT_DEVICE_CTRL_SET_INT          0x10    /* enable receive irq */
-#define RT_DEVICE_CTRL_CLR_INT          0x11    /* disable receive irq */
-#define RT_DEVICE_CTRL_GET_INT          0x12
-
 #define RT_SERIAL_EVENT_RX_IND          0x01    /* Rx indication */
 #define RT_SERIAL_EVENT_TX_DONE         0x02    /* Tx complete   */
 #define RT_SERIAL_EVENT_RX_DMADONE      0x03    /* Rx DMA transfer done */
diff --git a/include/rtdef.h b/include/rtdef.h
index 78a564205894e1361dbc65376317dd1f575fe069..4c3581b91afa63e742f0d06f2f29debdb6bda603 100644
--- a/include/rtdef.h
+++ b/include/rtdef.h
@@ -776,6 +776,11 @@ enum rt_device_class_type
 #define RT_DEVICE_FLAG_SUSPENDED        0x020           /**< device is suspended */
 #define RT_DEVICE_FLAG_STREAM           0x040           /**< stream mode */
 
+#define RT_DEVICE_CTRL_CONFIG           0x03    	/* configure device */
+#define RT_DEVICE_CTRL_SET_INT          0x10    	/* enable receive irq */
+#define RT_DEVICE_CTRL_CLR_INT          0x11    	/* disable receive irq */
+#define RT_DEVICE_CTRL_GET_INT          0x12
+
 #define RT_DEVICE_FLAG_INT_RX           0x100           /**< INT mode on Rx */
 #define RT_DEVICE_FLAG_DMA_RX           0x200           /**< DMA mode on Rx */
 #define RT_DEVICE_FLAG_INT_TX           0x400           /**< INT mode on Tx */