--- nix-0.20.0/Cargo.toml	1970-01-01T00:00:00+00:00
+++ nix-0.20.0/Cargo.toml	2021-07-29T16:16:03.834607+00:00
@@ -72,7 +72,3 @@
 version = "3.0.5"
 [target."cfg(any(target_os = \"android\", target_os = \"linux\"))".dev-dependencies.caps]
 version = "0.5.1"
-[target."cfg(target_os = \"dragonfly\")".build-dependencies.cc]
-version = "1"
-[target."cfg(target_os = \"freebsd\")".dev-dependencies.sysctl]
-version = "0.1"