--- nix-0.13.0/Cargo.toml	1970-01-01T01:00:00+01:00
+++ nix-0.13.0/Cargo.toml	2019-02-04T09:59:32.626418+01:00
@@ -62,7 +62,3 @@
 
 [dev-dependencies.tempfile]
 version = "3"
-[target."cfg(target_os = \"dragonfly\")".build-dependencies.cc]
-version = "1"
-[target."cfg(target_os = \"freebsd\")".dev-dependencies.sysctl]
-version = "0.1"