Can't delete net classes in PCB setup dialog

[Oleg Endo]

It seems it's impossible to delete any net classes in the PCB properties dialog of pcbnew. Hitting the trash bin icon does not remove the elements from the list. The only way to do it right now is editing the pcb file in a text editor.

Application: kicad
Version: 6.0.0-rc1-unknown-d9d0051~66~ubuntu16.04.1, release build
Libraries:
    wxWidgets 3.0.2
    libcurl/7.47.0 OpenSSL/1.0.2g zlib/1.2.8 libidn/1.32 librtmp/2.3
Platform: Linux 4.4.0-134-generic x86_64, 64 bit, Little endian, wxGTK
Build Info:
    wxWidgets: 3.0.2 (wchar_t,wx containers,compatible with 2.8) GTK+ 2.24
    Boost: 1.58.0
    OpenCASCADE Community Edition: 6.8.0
    Curl: 7.47.0
    Compiler: GCC 5.4.0 with C++ ABI 1009

Build settings:
    USE_WX_GRAPHICS_CONTEXT=OFF
    USE_WX_OVERLAY=OFF
    KICAD_SCRIPTING=ON
    KICAD_SCRIPTING_MODULES=ON
    KICAD_SCRIPTING_WXPYTHON=OFF
    KICAD_SCRIPTING_ACTION_MENU=ON
    BUILD_GITHUB_PLUGIN=ON
    KICAD_USE_OCE=ON
    KICAD_USE_OCC=OFF
    KICAD_SPICE=ON

[Thomas Pointhuber (pointhi)]

Likely a duplicate of: https://bugs.launchpad.net/kicad/+bug/1788873

[Jeff Young (jeyjey)]

Yes, it is indeed.