diff --git a/libc-test/semver/dragonfly.txt b/libc-test/semver/dragonfly.txt
index 9a68a6c116f37..201e3576332f1 100644
--- a/libc-test/semver/dragonfly.txt
+++ b/libc-test/semver/dragonfly.txt
@@ -1352,6 +1352,8 @@ openpty
 pause
 pipe2
 popen
+posix_fadvise
+posix_fallocate
 posix_madvise
 ppoll
 preadv
diff --git a/src/unix/bsd/freebsdlike/freebsd/mod.rs b/src/unix/bsd/freebsdlike/freebsd/mod.rs
index 864d5b493392a..f87a5cf0d96c1 100644
--- a/src/unix/bsd/freebsdlike/freebsd/mod.rs
+++ b/src/unix/bsd/freebsdlike/freebsd/mod.rs
@@ -3840,8 +3840,6 @@ extern "C" {
         sevp: *mut sigevent,
     ) -> ::c_int;
 
-    pub fn posix_fallocate(fd: ::c_int, offset: ::off_t, len: ::off_t) -> ::c_int;
-    pub fn posix_fadvise(fd: ::c_int, offset: ::off_t, len: ::off_t, advise: ::c_int) -> ::c_int;
     pub fn mkostemp(template: *mut ::c_char, flags: ::c_int) -> ::c_int;
     pub fn mkostemps(template: *mut ::c_char, suffixlen: ::c_int, flags: ::c_int) -> ::c_int;
 
diff --git a/src/unix/bsd/freebsdlike/mod.rs b/src/unix/bsd/freebsdlike/mod.rs
index a1e78e415794d..f0c4fc21f42b4 100644
--- a/src/unix/bsd/freebsdlike/mod.rs
+++ b/src/unix/bsd/freebsdlike/mod.rs
@@ -1512,6 +1512,8 @@ extern "C" {
     pub fn newlocale(mask: ::c_int, locale: *const ::c_char, base: ::locale_t) -> ::locale_t;
     pub fn nl_langinfo_l(item: ::nl_item, locale: ::locale_t) -> *mut ::c_char;
     pub fn pipe2(fds: *mut ::c_int, flags: ::c_int) -> ::c_int;
+    pub fn posix_fallocate(fd: ::c_int, offset: ::off_t, len: ::off_t) -> ::c_int;
+    pub fn posix_fadvise(fd: ::c_int, offset: ::off_t, len: ::off_t, advise: ::c_int) -> ::c_int;
     pub fn ppoll(
         fds: *mut ::pollfd,
         nfds: ::nfds_t,