diff --git a/src/os/rlimit.go b/src/syscall/rlimit.go
similarity index 83%
rename from src/os/rlimit.go
rename to src/syscall/rlimit.go
index e0d0ef9b62..2049200c00 100644
--- a/src/os/rlimit.go
+++ b/src/syscall/rlimit.go
@@ -4,9 +4,7 @@
 
 //go:build unix
 
-package os
-
-import "syscall"
+package syscall
 
 // Some systems set an artificially low soft limit on open file count, for compatibility
 // with code that uses select and its hard-coded maximum file descriptor
@@ -23,10 +21,10 @@ import "syscall"
 // Code that really wants Go to leave the limit alone can set the hard limit,
 // which Go of course has no choice but to respect.
 func init() {
-	var lim syscall.Rlimit
-	if err := syscall.Getrlimit(syscall.RLIMIT_NOFILE, &lim); err == nil && lim.Cur != lim.Max {
+	var lim Rlimit
+	if err := Getrlimit(RLIMIT_NOFILE, &lim); err == nil && lim.Cur != lim.Max {
 		lim.Cur = lim.Max
 		adjustFileLimit(&lim)
-		syscall.Setrlimit(syscall.RLIMIT_NOFILE, &lim)
+		Setrlimit(RLIMIT_NOFILE, &lim)
 	}
 }
diff --git a/src/os/rlimit_darwin.go b/src/syscall/rlimit_darwin.go
similarity index 79%
rename from src/os/rlimit_darwin.go
rename to src/syscall/rlimit_darwin.go
index b28982a83a..73e49646b3 100644
--- a/src/os/rlimit_darwin.go
+++ b/src/syscall/rlimit_darwin.go
@@ -4,15 +4,13 @@
 
 //go:build darwin
 
-package os
-
-import "syscall"
+package syscall
 
 // adjustFileLimit adds per-OS limitations on the Rlimit used for RLIMIT_NOFILE. See rlimit.go.
-func adjustFileLimit(lim *syscall.Rlimit) {
+func adjustFileLimit(lim *Rlimit) {
 	// On older macOS, setrlimit(RLIMIT_NOFILE, lim) with lim.Cur = infinity fails.
 	// Set to the value of kern.maxfilesperproc instead.
-	n, err := syscall.SysctlUint32("kern.maxfilesperproc")
+	n, err := SysctlUint32("kern.maxfilesperproc")
 	if err != nil {
 		return
 	}
diff --git a/src/os/rlimit_stub.go b/src/syscall/rlimit_stub.go
similarity index 82%
rename from src/os/rlimit_stub.go
rename to src/syscall/rlimit_stub.go
index cbe28400c5..e8f839dd99 100644
--- a/src/os/rlimit_stub.go
+++ b/src/syscall/rlimit_stub.go
@@ -4,9 +4,7 @@
 
 //go:build aix || dragonfly || freebsd || linux || netbsd || openbsd || solaris
 
-package os
-
-import "syscall"
+package syscall
 
 // adjustFileLimit adds per-OS limitations on the Rlimit used for RLIMIT_NOFILE. See rlimit.go.
-func adjustFileLimit(lim *syscall.Rlimit) {}
+func adjustFileLimit(lim *Rlimit) {}
diff --git a/src/os/rlimit_test.go b/src/syscall/rlimit_test.go
similarity index 91%
rename from src/os/rlimit_test.go
rename to src/syscall/rlimit_test.go
index c02e36f3f7..e48f45e3aa 100644
--- a/src/os/rlimit_test.go
+++ b/src/syscall/rlimit_test.go
@@ -2,10 +2,10 @@
 // Use of this source code is governed by a BSD-style
 // license that can be found in the LICENSE file.
 
-package os_test
+package syscall_test
 
 import (
-	. "os"
+	"os"
 	"runtime"
 	"testing"
 )
@@ -24,9 +24,9 @@ func TestOpenFileLimit(t *testing.T) {
 		fileCount = 768
 	}
 
-	var files []*File
+	var files []*os.File
 	for i := 0; i < fileCount; i++ {
-		f, err := Open("rlimit.go")
+		f, err := os.Open("rlimit.go")
 		if err != nil {
 			t.Error(err)
 			break