Ribbon Workbench not Working

Dears, i work on Dynamics CRM 365 Organization on premises , i import the ribbon workbench solution and while trying use it and import solution contain opportunity entity only.
i want to hide the new button in opportunity Entity , i choose the button  right click on it and choose Hide 
after doing this i wanna publish the updated solution 
when i click on publish solution in ribbon workbench the solution still load for long time 
so any advice please