diff --git a/src/pkg/syscall/ztypes_windows.go b/src/pkg/syscall/ztypes_windows.go
index 5b8c33a21a..a3ef1ba43b 100644
--- a/src/pkg/syscall/ztypes_windows.go
+++ b/src/pkg/syscall/ztypes_windows.go
@@ -11,7 +11,6 @@ const (
 	ERROR_MOD_NOT_FOUND       = 126
 	ERROR_PROC_NOT_FOUND      = 127
 	ERROR_ENVVAR_NOT_FOUND    = 203
-	ERROR_DIRECTORY           = 267
 	ERROR_OPERATION_ABORTED   = 995
 	ERROR_IO_PENDING          = 997
 )