Karsten Thoms Messages: 353 Registered: July 2009 Location: Dortmund
You should first identify where this UI dependency comes from. You could create a launch config which includes first your workspace plugins and add "Required Bundles". Then exclude the UI plugin and press "Validate". This will show you who is requiring the plugin.
Need professional support for Xtext, Xpand, EMF?
Go to: http://xtext.itemis.com
Twitter : @kthoms
Blog : www.karsten-thoms.de