diff --git a/src/runtime/os_windows.go b/src/runtime/os_windows.go
index 40e7aade1e6..41f8f778489 100644
--- a/src/runtime/os_windows.go
+++ b/src/runtime/os_windows.go
@@ -49,7 +49,6 @@ const (
 //go:cgo_import_dynamic runtime._SetThreadPriority SetThreadPriority%2 "kernel32.dll"
 //go:cgo_import_dynamic runtime._SetUnhandledExceptionFilter SetUnhandledExceptionFilter%1 "kernel32.dll"
 //go:cgo_import_dynamic runtime._SetWaitableTimer SetWaitableTimer%6 "kernel32.dll"
-//go:cgo_import_dynamic runtime._Sleep Sleep%1 "kernel32.dll"
 //go:cgo_import_dynamic runtime._SuspendThread SuspendThread%1 "kernel32.dll"
 //go:cgo_import_dynamic runtime._SwitchToThread SwitchToThread%0 "kernel32.dll"
 //go:cgo_import_dynamic runtime._TlsAlloc TlsAlloc%0 "kernel32.dll"
@@ -103,7 +102,6 @@ var (
 	_SetThreadPriority,
 	_SetUnhandledExceptionFilter,
 	_SetWaitableTimer,
-	_Sleep,
 	_SuspendThread,
 	_SwitchToThread,
 	_TlsAlloc,