You can remove a panel code for a project using without taking the project off-line:

  1. Select the project.
  2. Select the menu File |  Remove panel
    3 remove panel 7.4
  3. Select the panel code to be removed, then confirm.

Note: You cannot remove the panel code from a project if there is only one remaining panel code. To take the project off-line, use the menu File |  Remove project