You can unsubscribe from agents to which you are currently subscribed.
To unsubscribe from an agent:
In the global header, click Home. The "Home page" is displayed.
In the Browse/Manage. . . area, click My Agent Subscriptions.
A list of the agents to which you are currently subscribed is displayed. (Note that agents that you have been designated a recipient of are not included in this list.)
Navigate to the agent from which you want to unsubscribe.
Click the More link for the agent and select Unsubscribe.