how to delete reth interface

[Robbie]

jucao@srwp01jfw020-new# delete interfaces reth7 unit 0

{primary:node0}[edit]

jucao@srwp01jfw020-new# commit

[edit security zones security-zone XO] 'interfaces reth7.0' Interface reth7.0 must be configured under interfaces error: configuration check-out failed {primary:node0}[edit]

I can't remove this reth7

how to achieve this

thanks in advance

[Robbie · Accepted solution]

sorry ,I forgot to remove security zone prior to remove reth int,

it is resloved now