How do I hide a party usage in the global search results?

You must configure adaptive search to hide a party usage from being listed in the global search results.

Here's how you configure adaptive search:
  1. In the Setup and Maintenance work area, open the Configure Adaptive Search task:
    • Offering: Sales
    • Functional Area: Sales Foundation
    • Task: Configure Adaptive Search
  2. In the Configure Adaptive Search page, click the Configure Global Search tab.
  3. Click the object link in the Objects column. For example select Contact.
  4. Remove the selection of the Display in UI option.
  5. Click Save.