delete_shield

delete_shield_wires
{-all | -net {s_netName…} | -set d_setObj}

Removes shield routing (including vias ties) in the entire design, for specific signal nets, or for route segments in the given set.

`-all`	Removes shield routing from the entire design.
`-net` {s_netName…}	Removes shield routing for the signal nets in the list.
`-set` d_setObj	Removes shield routing for the route segments in the given set.

The following command removes shield routing for net2.

delete_shield_wires -net net2