FAQ How do I hide referenced libraries in the Package Explorer?
From Eclipsepedia
Use the menu for Package Explorer: the small triangle in the explorer’s title bar. Select Filters... and uncheck Referenced Libraries.
See Also:
FAQ How do I show/hide files like classpath in the Navigator?
This FAQ was originally published in Official Eclipse 3.0 FAQs. Copyright 2004, Pearson Education, Inc. All rights reserved. This text is made available here under the terms of the Eclipse Public License v1.0.