diff --git a/src/unix/solarish/mod.rs b/src/unix/solarish/mod.rs
index eb924b561855f..4702b61c8b5be 100644
--- a/src/unix/solarish/mod.rs
+++ b/src/unix/solarish/mod.rs
@@ -3010,26 +3010,10 @@ extern "C" {
         buflen: ::size_t,
         result: *mut *mut passwd,
     ) -> ::c_int;
-    #[cfg_attr(
-        any(target_os = "solaris", target_os = "illumos"),
-        link_name = "__posix_getpwent_r"
-    )]
-    pub fn getpwent_r(
-        pwd: *mut passwd,
-        buf: *mut ::c_char,
-        buflen: ::size_t,
-        result: *mut *mut passwd,
-    ) -> ::c_int;
-    #[cfg_attr(
-        any(target_os = "solaris", target_os = "illumos"),
-        link_name = "__posix_getgrent_r"
-    )]
-    pub fn getgrent_r(
-        grp: *mut ::group,
-        buf: *mut ::c_char,
-        buflen: ::size_t,
-        result: *mut *mut ::group,
-    ) -> ::c_int;
+    #[cfg(any(target_os = "solaris", target_os = "illumos"))]
+    pub fn getpwent_r(pwd: *mut passwd, buf: *mut ::c_char, buflen: ::c_int) -> *mut passwd;
+    #[cfg(any(target_os = "solaris", target_os = "illumos"))]
+    pub fn getgrent_r(grp: *mut ::group, buf: *mut ::c_char, buflen: ::c_int) -> *mut ::group;
     #[cfg_attr(
         any(target_os = "solaris", target_os = "illumos"),
         link_name = "__posix_sigwait"