diff --git a/src/unix/bsd/freebsdlike/dragonfly/errno.rs b/src/unix/bsd/freebsdlike/dragonfly/errno.rs
index 5fe6bb89cf2e5..5ec0f2ed5fd00 100644
--- a/src/unix/bsd/freebsdlike/dragonfly/errno.rs
+++ b/src/unix/bsd/freebsdlike/dragonfly/errno.rs
@@ -1,3 +1,5 @@
+/* DIFF(main): module removed in de76fee6 */
+
 // DragonFlyBSD's __error function is declared with "static inline", so it must
 // be implemented in the libc crate, as a pointer to a static thread_local.
 f! {
diff --git a/src/unix/bsd/freebsdlike/dragonfly/mod.rs b/src/unix/bsd/freebsdlike/dragonfly/mod.rs
index 6d778476fa444..c6d7370359e1e 100644
--- a/src/unix/bsd/freebsdlike/dragonfly/mod.rs
+++ b/src/unix/bsd/freebsdlike/dragonfly/mod.rs
@@ -1737,6 +1737,7 @@ extern "C" {
     ) -> vm_map_entry_t;
 }
 
+// DIFF(main): module removed in de76fee6
 cfg_if! {
     if #[cfg(libc_thread_local)] {
         mod errno;