Remove warnings by commenting out uncited references

4 jobs from watershed in 25 minutes 28 seconds (queued for 11 seconds)
Status Job ID Name Coverage
  Build
passed #124525
docker
build_linux_27

11:20

75.0%
passed #124526
docker
build_linux_36

11:17

75.0%
passed #124527
macosx
build_macosx_27

23:20

75.0%
passed #124528
macosx
build_macosx_36

25:27

75.0%