In order to remove an unused image that stays in your resources:
- Go to
Project > Properties > Resources
- Select whichever you want to remove and click on
Remove Resource
![Remove resource](http://1ve0.files.wordpress.com/2012/08/untitled-9.png)
After that, if you may get the error as shown below. Close Visual Studio and open it again in this case.
Code generation for property ‘ContentControl’ failed. Error was: ‘Could not find file ‘C:\Users\nedim\Documents\Visual Studio 2010\Projects\projectname\projectname\Resources\1344394787_check.png’.’
![Missing resource](http://1ve0.files.wordpress.com/2012/08/untitled-6.png)