How to remove the win8 desktop icon shortcut small arrow?

First, right-click on the desktop to create a new text document, copy the following code into it, save as win8.bat (file type selects all files), right click "run as administrator", restart the computer to method shortcut arrow Disappeared.
reg add "HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsCurrentVersionExplorerShell Icons" /v 29 /d
"%systemroot%system32imageres.dll,197" /t reg_sz /f
taskkill /f /im explorer.exe
attrib - s -r -h "%userprofile%AppDataLocaliconcache.db"
del "%userprofile%AppDataLocaliconcache.db" /f /q
start explorer
Second, if you need to restore the small arrow, you can use The same method, the code uses the following.
reg delete "HKEY_LOCAL_MACHINESOFTWAREMicrosoftWindowsCurrentVersionExplorerShell Icons" /v 29 /f
taskkill /f /im explorer.exe
attrib -s -r -h "%userprofile%AppDataLocaliconcache.db"
del " ;%userprofile%AppDataLocaliconcache.db" /f /q
start explorer