Unable to delete VHD from VMM library

I had VM template associated with VHD from VMM library, and I wanted to delete both of them, since they were used for testing purposes. I deleted the VM template successfully, and after that I wanted to delete the VHD, but VMM was not allowing to delete the VHD because temporary VM template was dependent of it. Here is the error message when I tried to delete the VHD:

And the dependencies from the properties of the VHD file:

Easiest way to delete this temporary VM template is using powershell:

Remove-SCVMTemplate -VMTemplate "Temporary TemplateName"

After deleting the temporary VM template, there were no dependencies of the VHD, and I deleted the file from library successfully.