Description of problem: Child channels redhat-rhn-proxy are enable in kickstart profile (/rhn/kickstart/KickstartSoftwareEdit.do). We can add redhat-rhn-proxy into the kickstart profile (in WebUI) and after install new machine, the machine has got redhat-rhn-proxy channel (without installing proxy). Version-Release number of selected component (if applicable): spacewalk-java-1.7.54-100 How reproducible: 100% Steps to Reproduce: 1. We have got the satellite with sync redhat-rhn-proxy. 2. create new kickstart profile 3. go to "Kickstart Details" > "Operating System" (/rhn/kickstart/KickstartSoftwareEdit.do) Actual results: We can select a redhat-rhn-proxy channel. Expected results: Channel redhat-rhn-proxy is hidden or disabled.