diff --git a/lib/std/c.zig b/lib/std/c.zig
index ee958fcab099..129f7ce8a48b 100644
--- a/lib/std/c.zig
+++ b/lib/std/c.zig
@@ -1787,33 +1787,6 @@ pub extern "c" fn kevent(
     timeout: ?*const c.timespec,
 ) c_int;
 
-pub extern "c" fn port_create() c.port_t;
-pub extern "c" fn port_associate(
-    port: c.port_t,
-    source: u32,
-    object: usize,
-    events: u32,
-    user_var: ?*anyopaque,
-) c_int;
-pub extern "c" fn port_dissociate(port: c.port_t, source: u32, object: usize) c_int;
-pub extern "c" fn port_send(port: c.port_t, events: u32, user_var: ?*anyopaque) c_int;
-pub extern "c" fn port_sendn(
-    ports: [*]c.port_t,
-    errors: []u32,
-    num_ports: u32,
-    events: u32,
-    user_var: ?*anyopaque,
-) c_int;
-pub extern "c" fn port_get(port: c.port_t, event: *c.port_event, timeout: ?*c.timespec) c_int;
-pub extern "c" fn port_getn(
-    port: c.port_t,
-    event_list: []c.port_event,
-    max_events: u32,
-    events_retrieved: *u32,
-    timeout: ?*c.timespec,
-) c_int;
-pub extern "c" fn port_alert(port: c.port_t, flags: u32, events: u32, user_var: ?*anyopaque) c_int;
-
 pub extern "c" fn getaddrinfo(
     noalias node: ?[*:0]const u8,
     noalias service: ?[*:0]const u8,
diff --git a/lib/std/c/solaris.zig b/lib/std/c/solaris.zig
index 215dc417440d..a2a1a5326d0d 100644
--- a/lib/std/c/solaris.zig
+++ b/lib/std/c/solaris.zig
@@ -1720,6 +1720,33 @@ pub const port_notify = extern struct {
     user: ?*void,
 };
 
+pub extern "c" fn port_create() port_t;
+pub extern "c" fn port_associate(
+    port: port_t,
+    source: u32,
+    object: usize,
+    events: u32,
+    user_var: ?*anyopaque,
+) c_int;
+pub extern "c" fn port_dissociate(port: port_t, source: u32, object: usize) c_int;
+pub extern "c" fn port_send(port: port_t, events: u32, user_var: ?*anyopaque) c_int;
+pub extern "c" fn port_sendn(
+    ports: [*]port_t,
+    errors: []u32,
+    num_ports: u32,
+    events: u32,
+    user_var: ?*anyopaque,
+) c_int;
+pub extern "c" fn port_get(port: port_t, event: *port_event, timeout: ?*timespec) c_int;
+pub extern "c" fn port_getn(
+    port: port_t,
+    event_list: []port_event,
+    max_events: u32,
+    events_retrieved: *u32,
+    timeout: ?*timespec,
+) c_int;
+pub extern "c" fn port_alert(port: port_t, flags: u32, events: u32, user_var: ?*anyopaque) c_int;
+
 pub const file_obj = extern struct {
     /// Access time.
     atim: timespec,
diff --git a/lib/std/posix.zig b/lib/std/posix.zig
index bcb5dc774435..3c7c4875d84d 100644
--- a/lib/std/posix.zig
+++ b/lib/std/posix.zig
@@ -131,9 +131,6 @@ pub const nlink_t = system.nlink_t;
 pub const off_t = system.off_t;
 pub const pid_t = system.pid_t;
 pub const pollfd = system.pollfd;
-pub const port_t = system.port_t;
-pub const port_event = system.port_event;
-pub const port_notify = system.port_notify;
 pub const file_obj = system.file_obj;
 pub const rlim_t = system.rlim_t;
 pub const rlimit = system.rlimit;