The syntaxe to specify a package version and desired output only works on guix install package@version:output
guix remove package@version:output doesn't works guix remove package@version doesn't works (specification->package "package@version") works (specification->package "package:output") works but both (specification->package "packge@version:output") doesn't work. /etc/config.scm:line:col: Throw to key `quit' with args `(1)'. Even though guix package --export-manifest ;; => (specifications->manifest (list "package@version:output" "package@version")) I tested "package@version:output" using "openjdk@11:doc"