diff --git a/src/unix/mod.rs b/src/unix/mod.rs
index b2c64a8882391..62fc7f5e0a54c 100644
--- a/src/unix/mod.rs
+++ b/src/unix/mod.rs
@@ -350,6 +350,9 @@ extern {
                link_name = "opendir$INODE64$UNIX2003")]
     #[cfg_attr(target_os = "netbsd", link_name = "__opendir30")]
     pub fn opendir(dirname: *const c_char) -> *mut ::DIR;
+    #[cfg_attr(target_os = "macos", link_name = "readdir$INODE64")]
+    #[cfg_attr(target_os = "netbsd", link_name = "__readdir30")]
+    pub fn readdir(dirp: *mut ::DIR) -> *mut ::dirent;
     #[cfg_attr(target_os = "macos", link_name = "readdir_r$INODE64")]
     #[cfg_attr(target_os = "netbsd", link_name = "__readdir_r30")]
     #[cfg_attr(target_os = "solaris", link_name = "__posix_readdir_r")]
diff --git a/src/unix/solaris/mod.rs b/src/unix/solaris/mod.rs
index 522730b59a61a..1800a4cb433c6 100644
--- a/src/unix/solaris/mod.rs
+++ b/src/unix/solaris/mod.rs
@@ -1038,7 +1038,6 @@ extern {
                       result: *mut *mut passwd) -> ::c_int;
     pub fn setpwent();
     pub fn getpwent() -> *mut passwd;
-    pub fn readdir(dirp: *mut ::DIR) -> *const ::dirent;
     pub fn fdatasync(fd: ::c_int) -> ::c_int;
     pub fn nl_langinfo_l(item: ::nl_item, locale: ::locale_t) -> *mut ::c_char;
     pub fn duplocale(base: ::locale_t) -> ::locale_t;