how to remove the pundle nets ??

hi everyone,

in contraint manager i set the address 0-14 nets in group .it is create like puldle of nets as shown in below image.how to remove the pundle nets ??

wrongly i place the via over the fanout but i could not delete the via.in command window U8 is locked property. i did not lock any think in footprint library. i checked the all the footprint properties.it is like that only.