diff --git a/share/fast_io/fast_io_inc/core.inc b/share/fast_io/fast_io_inc/core.inc
index 1a883ff43..3b05b3877 100644
--- a/share/fast_io/fast_io_inc/core.inc
+++ b/share/fast_io/fast_io_inc/core.inc
@@ -52,7 +52,6 @@ using ::fast_io::open_mode;
 using ::fast_io::basic_io_lockable;
 using ::fast_io::basic_io_lockable_nonmovable;
 
-#if !defined(__clang__) // The gcc and msvc module does not support non-exported functions adl matching
 using ::fast_io::input_stream_ref_define;
 using ::fast_io::output_stream_ref_define;
 using ::fast_io::io_stream_ref_define;
@@ -123,7 +122,6 @@ using ::fast_io::io_stream_require_secure_clear_define;
 // using ::fast_io::input_stream_buffer_flush_define;
 using ::fast_io::output_stream_buffer_flush_define;
 using ::fast_io::io_stream_buffer_flush_define;
-#endif
 
 namespace manipulators
 {
diff --git a/share/fast_io/fast_io_inc/hosted/win32.inc b/share/fast_io/fast_io_inc/hosted/win32.inc
index 4972cd0e2..9b46d0c3f 100644
--- a/share/fast_io/fast_io_inc/hosted/win32.inc
+++ b/share/fast_io/fast_io_inc/hosted/win32.inc
@@ -60,5 +60,5 @@ export namespace fast_io
 
     using ::fast_io::data_sync_flags;
     using ::fast_io::data_sync;
-u   using ::fast_io::flush;
+    using ::fast_io::flush;
 }