ayload contains two or more files with the same destination path

I am having a very strange problems with q1 201. Its happens both when i create a blank applications and a telerik solution I was wondering if anyone new of a way to fix this.

Error    4    Payload contains two or more files with the same destination path 'Telerik.UI.Xaml.Chart\Themes\Generic.xbf'. Source files:
C:\Program Files (x86)\Telerik\UI for Windows Universal Q1 2015\SDKs\Windows Phone 8.1\Telerik UI for Windows Universal\Redist\CommonConfiguration\neutral\Telerik.UI.Xaml.Chart\Themes\Generic.xbf
C:\Users\david\Documents\Visual Studio 2013\Projects\WorldClock3New\WorldClock\WorldClock\bin\Release\Telerik.UI.Xaml.Chart\Themes\Generic.xbf    WorldClock

Regards

David Buckley