diff --git a/bsp/gd32450z-eval/applications/rtgui_demo.c b/bsp/gd32450z-eval/applications/rtgui_demo.c
index e89ce53b3bf5bcafb86d54b6a9c38507b4b2a6b6..534cbe795d5b927fe998c665ade63c1555eac63d 100644
--- a/bsp/gd32450z-eval/applications/rtgui_demo.c
+++ b/bsp/gd32450z-eval/applications/rtgui_demo.c
@@ -31,7 +31,6 @@
 
 #include <rtgui/widgets/window.h>
 #include <rtgui/dc.h>
-//#include <rtgui/dc_hw.h>
 
 struct rtgui_win *main_win;
 rt_bool_t dc_event_handler(struct rtgui_object *object, rtgui_event_t *event);
diff --git a/bsp/stm32f429-apollo/applications/rtgui_demo.c b/bsp/stm32f429-apollo/applications/rtgui_demo.c
index f553c1b50a6d583b8b334009df012f4321248269..b75e73c7d95e416b8adb6b5b8b5a77d0f55f4f97 100644
--- a/bsp/stm32f429-apollo/applications/rtgui_demo.c
+++ b/bsp/stm32f429-apollo/applications/rtgui_demo.c
@@ -18,7 +18,6 @@
 
 #include <rtgui/widgets/window.h>
 #include <rtgui/dc.h>
-#include <rtgui/dc_hw.h>
 
 #include "finsh.h"
 #include "rtgui_demo.h"
diff --git a/bsp/stm32f429_armfly/applications/rtgui_demo.c b/bsp/stm32f429_armfly/applications/rtgui_demo.c
index 52774ec6d14a7be62f052717cc0efbe6ae710c08..7c62cffc9edb3f40c765c51d579251fb978212de 100644
--- a/bsp/stm32f429_armfly/applications/rtgui_demo.c
+++ b/bsp/stm32f429_armfly/applications/rtgui_demo.c
@@ -31,7 +31,6 @@
 
 #include <rtgui/widgets/window.h>
 #include <rtgui/dc.h>
-#include <rtgui/dc_hw.h>
 
 struct rtgui_win *main_win;
 rt_bool_t dc_event_handler(struct rtgui_object *object, rtgui_event_t *event);