Doxygen \cond not working

Am writing some documentation of some software in a .dox file and wand to include some comments that will not show in the webpage. I am using \cond but I am not getting any output after calling \endcond.

/// \section cuboids_sec Cuboids 
/// 
/// \cond 
///   [TODO] 
/// \endcond 
/// 
/// - \b Cuboid - Polyhedron bounded by six quadrilateral faces. 
/// - \b Rectangular \b Cuboid - Cuboid with rectangular faces.  
///   Then each pair of adjacent faces meet in a right angle. By  
///   definition, a rectangular cuboid is also a right rectangular  
///   prism.