diff --git a/packages.ini b/packages.ini
index 1dbda7043..93257dd2a 100644
--- a/packages.ini
+++ b/packages.ini
@@ -40,12 +40,9 @@ xmlstarlet = buster, bionic
 [unknown]
 # TODO: Triage all these package to know whether they are still
 #       used or if they are installed by other packages.
-build-essential = bionic # Maybe related to libffi, libpq and libssl below.
 coreutils = buster, bionic
 flac = buster, bionic
 lame = buster, bionic # Maybe liquidsoap-plugin-lame, but it uses a library not the lame binary
-libffi-dev = bionic
-libssl-dev = bionic
 mpg123 = buster, bionic
 pwgen = buster, bionic
 systemd-sysv = buster