Definition of unused processing methods when compiling C51 with keil 5

• When we program , Sometimes there are things that define , However, these defined Dingxi are not used in the subsequent code , So the system will remind you when compiling , Although it can compile normally , But it's not pleasant to see , The following method can be used to compile without prompting .
  
• The treatment is as follows ,

1. Shortcut key Alt + F7 Or mouse click project for target Go to the following page
   
2. Check the box first and then enter the following information REMOVEUNUSED , Finally, click OK Sure you can. .

• The recompilation does not show that the prompt definition is not used .
• done ~~~