Remove unused definitions

6 jobs for !1984 with clean39 in 15 minutes and 13 seconds (queued for 2 seconds)
detached
Status Job ID Name Coverage
  Build
passed #19865
macos
build_macos

00:04:41

passed #19866
ubuntu1604
build_ubuntu1604

00:05:52

passed #19867
ubuntu1804
build_ubuntu1804

00:05:51

passed #19868
ubuntu1804-gcc8
build_ubuntu1804-gcc8

00:06:57

passed #19869
vc191x
build_vc191x

00:15:12

passed #19870
vc192x
build_vc192x

00:13:37