Erase Modbus Connection on Network project

Hi everyone, and thanks in advance, I added a Modbus sever connections on "network project", and now I can´t erase it. If a do the same in diagram mode, a can use "tools-ethernet connections" to erase it, but I can´t find the way to make it on "Network project", this menu is not enabled.
Please, someone can help me to erase that connection?.

Thank you so much for the answer, finally I have been able to erase the connection, but not with delete key, I have erased it with backspace key, I'm not sure why, but it works.

Thanks again.