My New Add-in is showing up Ribbon from previous version of the Add-in

Hi,

We have our Add-ins which creates a new Ribbon.

I've my new version(2.4) of Add-in installed . But Only in Word, ribbon controls from previous version(2.2) Add-ins are showing up under default "ADD-INS" ribbon tab,these are not greyed out but do nothing if clicked.

In Excel,default "ADD-INS" ribbon is not showing up even if I enable it from Word/Options/Customize Ribbon.

Can someone tell me how to remove the controls from "ADD-INS" ribbon and why this behaviour is present only in Word?

Thanks in advance.

- Monika