diff --git a/lib/std/c/darwin.zig b/lib/std/c/darwin.zig
index 4d19d64631..fa121c49c5 100644
--- a/lib/std/c/darwin.zig
+++ b/lib/std/c/darwin.zig
@@ -3844,11 +3844,3 @@ pub extern "c" fn os_signpost_interval_begin(log: os_log_t, signpos: os_signpost
 pub extern "c" fn os_signpost_interval_end(log: os_log_t, signpos: os_signpost_id_t, func: [*]const u8, ...) void;
 pub extern "c" fn os_signpost_id_make_with_pointer(log: os_log_t, ptr: ?*anyopaque) os_signpost_id_t;
 pub extern "c" fn os_signpost_enabled(log: os_log_t) bool;
-
-pub extern "c" fn proc_listpids(tpe: u32, tinfo: u32, buffer: ?*anyopaque, buffersize: c_int) c_int;
-pub extern "c" fn proc_listallpids(buffer: ?*anyopaque, buffersize: c_int) c_int;
-pub extern "c" fn proc_listpgrppids(pgrpid: pid_t, buffer: ?*anyopaque, buffersize: c_int) c_int;
-pub extern "c" fn proc_listchildpids(ppid: pid_t, buffer: ?*anyopaque, buffersize: c_int) c_int;
-pub extern "c" fn proc_pidinfo(pid: c_int, flavor: c_int, arg: u64, buffer: ?*anyopaque, buffersize: c_int) c_int;
-pub extern "c" fn proc_name(pid: c_int, buffer: ?*anyopaque, buffersize: u32) c_int;
-pub extern "c" fn proc_pidpath(pid: c_int, buffer: ?*anyopaque, buffersize: u32) c_int;