diff --git a/src/bootstrap/src/lib.rs b/src/bootstrap/src/lib.rs
index 60a89e9bf0709..13391b1faa193 100644
--- a/src/bootstrap/src/lib.rs
+++ b/src/bootstrap/src/lib.rs
@@ -83,8 +83,6 @@ const EXTRA_CHECK_CFGS: &[(Option<Mode>, &str, Option<&[&'static str]>)] = &[
     (Some(Mode::Std), "no_global_oom_handling", None),
     (Some(Mode::Std), "no_rc", None),
     (Some(Mode::Std), "no_sync", None),
-    (Some(Mode::Std), "freebsd12", None),
-    (Some(Mode::Std), "freebsd13", None),
     (Some(Mode::Std), "backtrace_in_libstd", None),
     /* Extra values not defined in the built-in targets yet, but used in std */
     (Some(Mode::Std), "target_env", Some(&["libnx"])),