diff --git a/examples/gui/demo_view_benchmark.c b/examples/gui/demo_view_benchmark.c
index ebeb718d57..5011eb674c 100644
--- a/examples/gui/demo_view_benchmark.c
+++ b/examples/gui/demo_view_benchmark.c
@@ -4,6 +4,7 @@
 #include <rtgui/widgets/view.h>
 #include "demo_view.h"
 
+#if RT_VERSION == 4
 #define RAND(x1, x2) ((rand() % (x2 - x1)) + x1)
 
 static rtgui_view_t* view = RT_NULL;
@@ -107,3 +108,4 @@ rtgui_view_t *demo_view_benchmark(rtgui_workbench_t* workbench)
 
 	return view;
 }
+#endif
diff --git a/examples/gui/demo_view_instrument_panel.c b/examples/gui/demo_view_instrument_panel.c
index 61849f00d2..a863fec2b6 100644
--- a/examples/gui/demo_view_instrument_panel.c
+++ b/examples/gui/demo_view_instrument_panel.c
@@ -29,8 +29,6 @@ rt_bool_t instrument_panel_event_handler(rtgui_widget_t* widget, rtgui_event_t *
 	{
 		struct rtgui_dc* dc;
 		rtgui_rect_t rect;
-		const int vx[] = {85, 85,  105, 105};
-		const int vy[] = {60, 100, 100, 60}; 
 		const int arrowx[] = {120+75, 120+75, 120+85};
 		const int arrowy[] = {170-5,  170+5,  170};
 
diff --git a/examples/gui/demo_workbench.c b/examples/gui/demo_workbench.c
index aab0aca87f..3595672925 100644
--- a/examples/gui/demo_workbench.c
+++ b/examples/gui/demo_workbench.c
@@ -62,18 +62,20 @@ static void workbench_entry(void* parameter)
 #endif
 #endif
 
+#ifndef RTGUI_USING_SMALL_SIZE
 	demo_view_dc_buffer(workbench);
+#endif
 	demo_view_animation(workbench);
+#ifndef RTGUI_USING_SMALL_SIZE
 	demo_view_buffer_animation(workbench);
 	demo_view_instrument_panel(workbench);
+#endif
 	demo_view_window(workbench);
 	demo_view_label(workbench);
 	demo_view_button(workbench);
 	demo_view_checkbox(workbench);
 	demo_view_progressbar(workbench);
-#if RT_VERSION == 4
 	demo_view_scrollbar(workbench);
-#endif
 	demo_view_radiobox(workbench);
 	demo_view_textbox(workbench);
 	demo_view_listbox(workbench);