Merge branch 'imports' into 'master'

Remove unused imports

See merge request !25
2 jobs for master in 457 minutes and 12 seconds (queued for 7 seconds)
Status Name Job ID Coverage
  Test
passed job_clang_amd64 #4601
amd64

07:37:11

passed job_gcc_amd64 #4600
amd64

03:15:54