How to hide "assign" and "assign to me" button in jira 5.0.2

[Andrew]

I design a workflow ,then I put the workflow on a project. So the workflow button will appear on every status in a project. Now I want to hide the "assign" and "assign to me" button in issue,what's the method cn solve this problem ? If Any plugin can solve this problem,please give me a link . Thanks very much

[Bhushan Nagaraj]

Go to "Administration" and go to plugins.

In System plugins find "Issue Operations Plugin".

Click "Manage plugin modules" and disable "View ops bar assign link"

[Bhushan Nagaraj]

Please note as Jobin mentioned in your other question, this only applies to installed versions. Not OnDemand

[Andrew]

Thank you very much ! I will try it tomorrow .